Server Setup And Software

November 29, 2015 by AB1OC

Remote Operating Gateway Client/Server Architecture

The next step in our Software Defined Radio/Remote Operating Project was to build a Remote Operating Gateway System in our shack and set up Client PCs to operate our station remotely. In a previous article, we explained how we integrated a FlexRadio 6700 Software Defined Radio (SDR) into our station to create a platform to build our remote operating project around. This project has turned out to be somewhat involved, so we will be providing a series of articles to explain what we did:

Part 1 – System Design and Hardware Installation
Part 2 – Client/Server Setup and Software (Shack Equipment, Computers, and Software Enabling Remote Operation – this post)
Part 3 – On The Air Remote!
Part 4 – Remote Operating Enhancements
Satellite Station 4.0 Part 7 – Flex SDR Satellite Transceiver to Enable Remote Satellite Operation
PTT Switch for Remote Operation

In this article, we will explain the additional hardware and software we used to enable remote operating and some other equipment we added to our Client PCs that we use to run our station remotely. The reader may want to refer to the picture above as you browse this article to better understand how the parts in our remote operating setup fit together. You can click on any of the pictures on our blog to see a larger, easier-to-read version.

SmartSDR Software Operating With A FlexRadio 6700 SDR

FlexRadio’s SmartSDR Software handles operating the SDR remotely. At the present state of maturity, SmartSDR can operate over a wired or wireless Ethernet LAN connection. SmartSDR and the FlexRadio-6xxx hardware must function properly on the same sub-network. FlexRadio has indicated they plan to enable SmartSDR operation over wide-area broadband internet connections. The design we chose for our Remote Operating Gateway and Client PCs will allow the operation of our entire station over the internet when SmartSDR can fully support this. SmartSDR handles remoting of audio (microphone and speakers/headphones), CW keying over our Home Network (more on this later), and control of the radio. With these essential functions taken care of, we also need to remotely control the following functions of our station to fully support remote operation:

Control of the power to all of the remote equipment (FlexRadio-6700 SDR, microHAM Station Master Deluxe, W2 Wattmeter, and other Accessories)
Selection and control of our antennas and rotators via a microHAM Station Master Deluxe Antenna Controller
Monitoring and control of our Elecraft KPA500 Amplifier, KAT500 Auto-tuner, and W2 Power/SWR Meter

Remote control of equipment power is particularly important to provide a means to reset/restart equipment remotely and shut down the Transmitter remotely.

Remote GW Control Stack - Antenna, Power and Monitoring

Remote Gateway Control Stack – Antenna, Power, and Monitoring

Remote control of power for the components in our Remote Operating Setup is handled by a RIGRunner 4005i power control device. This unit provides remote power control over a network for up to 5 separate groups of devices. It also provides voltage/current monitoring and solid-state over-current protection.

RIGRunner Remote Power Control Setup

The figure above shows how we set up our RIGRunner 4005i. The device is controlled over our Home Network via a standard Web Browser. As you can see from the picture above, this device lets us remotely control power to all of the devices in our Remote Operating Setup.

Remote Control Relay Unit

The FlexRadio-6700 SDR requires some additional power control handling. Simply removing and applying power to the FlexRadio-6700 SDR will reset the radio and leave it in a power-off state. The FlexRadio-6700 SDR does have a remote power control input which can be controlled via a relay closure. We used a microbit Webswitch 1216H device to provide a remotely controlled relay closure to control the power off/on for the FlexRadio-6700 SDR.

Flex-6700 On/Off Control Via microbit Webswitch

The microbit Webswitch 1216H relay unit is also controlled over our Home Network via a standard Web Browser.

SmartSDR Setup - Tx Keying, Tx Interlock and Remote Power Control

SmartSDR Setup – Remote On/Off Control

The FlexRadio-6700 SDR is configured for remote on/off operation via the Radio Setup dialog in SmartSDR, as shown above. A cable is run between the remote power on/off port on the FlexRadio-6700 SDR and the microbit Webswitch 1216H relay unit to complete this part of our Remote Control System.

Beams On Our Tower

It is also important to have full remote control of our Antennas and Rotators to effectively use our station outside our shack. Control of our Rotators is accomplished by software that remotes serial COM ports over our Home Network.

Network Serial Port Kit

We used Fabulatech’s Network Serial Port Kit package to remote the serial COM ports used to control the microHAM Station Master Deluxe Antenna Controller, the associated antenna Rotators, and the WinKeyer associated with our FlexRadio-6700 SDR. This software runs on both the local Server computer in our shack which hosts the Remote Operating Setup, and any Client PCs which are used to operate our station remotely.

microHAM Station Master Deluxe Antenna Control via Teamviewer and Development App

microHAM Station Master Deluxe Development Application Via TeamViewer

There is not currently a production software tool to enable remote control of the microHAM Station Master Deluxe Antenna Controllers we use in our shack. I plan to develop my own application to do this in the future. The folks at microHAM have been so kind as to provide me with the interface specifications needed to control the Station Master Deluxe Antenna Controller remotely along with a Developer Only test application (shown above) which can be used to understand the microHAM Device Protocol. In the interim, I have been using the microHAM Developer Only application along with the TeamViewer Remote Control Software to remotely control antenna selection and monitor the position of the currently selected rotators.

Shack Remote Operating Gateway Server PC Applications

The remaining software required for remote control of our station is provided by the Elecraft applications, which control the KPA500 Amplifier, KAT500 Auto-Tuner, and W2 Wattmeter, which are used in our Remote Operating Gateway setup. All of these applications, along with the microHAM Developer Only Application for Station Master Deluxe control and the DDUtil Program, which inter-works the FlexRadio-6700 SDR CAT interface with the Station Master Deluxe (see the previous article in this series) are shown above running on our Shack Server PC. This PC is on at all times and is protected by an Uninterruptible Power System (UPS) to ensure that it runs trouble-free.

Remote Operating PC Client Software Applications

In addition to FlexRadio SmartSDR, each server-side PC application has a corresponding Client Side application used on the Remote Operating Client PC. The three Elecraft Client applications for Amplifier, Auto-Tuner, and Wattmeter control and monitoring are shown above. The client-side Network Serial Port Kit application replicates the WinKeyer, microHAM Station Master Deluxe, and Rotator Control COM ports are also shown.

Heil Microphone And USBQ Adapter

The PC in our home office will be our station’s primary remote operating location. Audio quality is important to us, and we wanted to ensure that our audio quality was just as good operating remotely as it is when we operate from our Shack. To accomplish this, we installed a Heil PR781 Microphone, PL2T Boom, and USBQ Adapter/Pre-Amp on our home office PC. The Heil USBQ is a USB sound card and microphone pre-amplifier which connects directly to the PR781 microphone to create a high-quality phone audio source that can be used with the FlexRadio-6700 SDR when operating remotely.

Bose SoundLink Bluetooth Headset

The speakers on my home office PC are quite good, but sometimes a set of headphones is needed to hear weak signals. We choose a quality Bluetooth Headset from Bose for this purpose. The Bose SoundLink Headset is lightweight, wireless, has excellent fidelity, and includes a very good microphone which can be used as an alternative to the Heil PR781. This headset is also very useful when operating from our Laptop Client PC from noisy locations outside our home (more on this in a future article).

SmartSDR DAX Control Panel

The last pieces of the remote operating system are provided by two applications that are part of the SmartSDR software package. The SmartSDR’s DAX Control panel provides remote audio connections for Digital Mode Software and the CW Skimmer decoder. Audio is provided by software “audio cables” for each FlexRadio SDR’s Slice Receiver and the active Tx Slice. SmartSDR DAX Audio IQ interfaces are also provided for each of the SDR’s Panadapters which permits software like CW Skimmer to monitor and decode a wide range of frequencies simultaneously.

SmartSDR CAT

The SmartSDR CAT application provides CAT interfaces on both our Client and Server PCs for applications that need to control or monitor what the FlexRadio-6700 SDR is doing. Many loggers and other applications are beginning to implement direct IP interfaces to the CAT channel of the FlexRadio 6xxx Series SDRs. This approach simplifies interworking between the software and the radio and appears to be more reliable than virtual COM-based CAT interfaces.

Client PC Running SmartSDR And The DXLab Suite (Home Office)

With all of the above elements in place, any client PC that can access our Home Network can be used to operate our station. The picture above shows SmartSDR and the DXLab Suite running on our Home Office PC. The remote emulations of the Rotator, CAT, and Winkeyer interfaces are such that DXLab’s applications can fully operate our station as if they were running in our shack.

Client PC Running SmartSDR And The DXLab Suite – Right Monitor

The picture above shows a closer view of my Home Office PC’s Right monitor (click on the picture to enlarge it). SmartSDR is running the upper left corner, and I am listening to folks operate in the 2015 CQ WW DX CW Contest. The SDR is set on the 20m band, and I have the CW Keyer built into SmartSDR running. The DAX Control Panel is running on the lower right corner of the screen, and it’s set up for use with the CW Skimmer decoder. DXLab’s WinWarbler is running (top-center), enabling me to use the WinKeyer in the shack to send CW via the remote COM port associated with the WinKeyer. Below WinWarbler is the microHAM Developer Only application (accessed remotely via a TeamViewer connection to the Shack Server PC) which shows that I have both of our SteppIR DB36 Yagis selected as a stack and pointed towards Europe. DXLab’s DXView Rotator Control application is running in the center bottom of the screen so that we can turn our Yagis towards other parts of the world (rotators are controlled via another remote COM port). Finally, the client KPA500 Amplifier control application is running in the lower left corner to control the amplifier and to monitor the power out and SWR seen by the amplifier being used to operate remotely.

Client PC Running SmartSDR And The DXLab Suite – Left Monitor

The picture above shows a closer view of the left monitor. DXLab’s logger, DXKeeper, is running at the top/center of the screen. Below is DXLab’s SpotCollector application which monitors spots of the many CW stations worldwide operating in the contest. DXLab’s Commander applications are running in the lower-right corner of the screen and are monitoring the FlexRadio-6700 SDR’s slice Tx/Rx frequency and providing a control interface of the SDR to the rest of the DXLab Suite (via SmartSDR CAT). The Elecraft W2 Wattmeter client control application is just above commander. The W2 Wattmeter client application provides higher resolution power out and SWR monitoring for the remote setup. Bottom-center is DXLab’s Launcher application, and just to the left of that is the KAT500 Auto-Tuner Client Control application. Finally, CW Skimmer is running on the left side of the screen.

CW Skimmer Operating Remotely

As you can see, CW Skimmer decodes a wide range of frequencies in the 20m CW sub-band. It receives its audio in IQ format via the SmartSDR DAX application. It is great fun to operate CW this way, and I am finding myself making a lot more CW contacts now that I have the remote operating setup in my office.

The next post will provide some samples of remote operation in the form of videos. I will also share some information on setting up a Remote Operating Client on a laptop where screen space is more limited. We plan to take a trip outside our house to operate our station over the Internet and share information on how that is done. We will also provide future articles on how to set up CW Skimmer and Digital Modes (RTTY, PSK, and JT65/JT9) on the HF Bands and use them remotely.

For now, we are really enjoying the freedom to operate our station remotely!

Fred, AB1OC

Software Defined Radio/Remote Operating Gateway Part 1 – System Design And Hardware Installation

November 23, 2015 by AB1OC

Flex-6700 Software Defined Radio And Remote Operating Gateway

We’ve been planning to add a remote operating capability to our station for some time now. We also did some previous work with a FlexRadio Software Defined Radio (SDR) in our station, and we felt that an SDR would be a good platform to build a remote operating project around. We decided to combine our remote operating goals with a next-generation SDR upgrade (a FlexRadio-6700) for our station. This project has turned out to be somewhat involved, so we will be providing a series of articles to explain what we did:

Part 1 – System Design and Hardware Installation (this post)
Part 2 – Client/Server Setup and Software (Shack Equipment, Computers, and Software Enabling Remote Operation)
Part 3 – On The Air Remote!
Part 4 – Remote Operating Enhancements
Satellite Station 4.0 Part 7 – Flex SDR Satellite Transceiver to Enable Remote Satellite Operation
PTT Switch for Remote Operation
Operating FT8 Remote on the 6m band

We will tackle our goals of building a Remote Operating Gateway (GW) in two stages. Stage 1 will focus on operating our station from other rooms in our house (our Home Offices are prime locations for this). Stage 2 will involve operating our station “On The Go” from anywhere in the world that has sufficient Internet Access is available. We also want to enable full control of our station when operating remotely, including:

Use of our Amplifier
Antenna Selection
Rotator Control
Equipment Power Monitoring and Management

We also use a microHAM station control system and contesting equipment as part of our remote operating gateway, and we want to fully integrate our new Flex-6700 SDR with this gear. Our Flex-6700 uses a dedicated Microphone to avoid audio integration issues that we encountered between the Flex-6700 and the microHAM MK2R+ that we use in our station.

Flex-6700 SDR/Remote Operating Gateway Architecture

The first step in this project was to develop a system design (pictured above). We opted for an architecture that uses the Flex SDR as a third radio in Anita’s Operating Position. Her position is now an SO2R setup with a Yaesu FTdx5000 as the primary radio and a choice of an Icom IC-7600 or the Flex-6700 SDR as the second active radio.

Elecraft KPA500 Amplifier and KAT500 Auto Tuner

Elecraft W2 Watt Meter

FilterMax IV Automated Band Pass Filter

The Flex-6700 SDR has an associated Elecraft KPA-500W Amplifier/KAT500 Auto Tuner combination, an Elecraft W2 Wattmeter, an automated bandpass filtering via an Array Solutions FilterMax IV, and a dedicated microHAM Station Master Deluxe (SMD) Antenna Controller. The Elecraft components are good choices for our remote operating project because they all have applications that enable them to be controlled and monitored over a network (more on this later in this series of articles).

Out Station’s Antenna System

The additional microHAM SMD allows the Flex-6700 SDR to access and control our antenna system and associated rotators.

K1EL WinKeyer

Our setup also includes a K1EL WinKeyer to enable computer-controlled CW keying of the Flex-6700 SDR. This device is relatively inexpensive in kit form and was fun to put together. We have a Bencher Iambic Paddle connected to the WinKeyer for in-shack CW operation.

SDR microHAM Integration

The diagram above shows the details of the device interconnections which make up the SDR Radio System. The microHAM SMD Antenna Controller requires a serial CAT interface to its host Flex-6700 SDR to determine what band and frequency the SDR is on. The Flex-6700 SDR does not provide such an interface directly but creates CAT control virtual ports on a host Personal Computer (PC).

DDUtil Setup – SDR Virtual CAT Access

DDUtil Setup – Bridging Physical Serial Port To SMD

To solve this problem, we used an application called DDUtil to bridge the derived CAT port associated with the SDR to a physical serial port on the PC. The PC’s physical port is then connected to the microHAM SMD associated with the Flex-6700 SDR. The pictures above show how DDUtil is set up to do this.

Station COM Port Configuration

The microHAM gear, WinKeyer, Rotators, Radio CAT Interfaces, Amplifier/Auto Tuner Interfaces, etc., all use serial or COM ports on a host PC for control. It’s also true that many loggers have trouble accessing serial ports above COM16. This requires a carefully developed COM port allocation plan for a complex station like ours. The figure above shows this part of our design.

A-B Switching Design For Radio Port 4

microHAM Bus Expansion and Antenna Switching Gear

The last part of the hardware puzzle required to integrate the SDR into our station was the installation of a second microHAM uLink Bus Hub, microHAM Relay 10 Control Box, and an A/B antenna switch controlled by the microHAM SMDs. This allows the 4th radio port on our antenna switching matrix to be shared between the Icom IC-7600 and the Flex-6700 SDR.

microHAM Configuration For SDR Station Master Deluxe

The last step in integrating the Flex-6700 SDR was configuring the microHAM system for the new equipment. This involves adding SMD #5 to the microHAM system and configuring it (and the rest of the system) to know about the Flex-6700 SDR, associated amplifier, and its interconnections to the rest of the system.

SmartSDR Software

The Flex-6700 SDR Hardware is controlled and operated over a network via FlexRadio’s SmartSDR Application. We have 1 Gbps wired and an 802.11 b/g/n Wireless Ethernet system in our home, and the SmartSDR/Flex-6700 SDR combination works well over either network. The software-based approach with most SDRs allows new features to be added to the radio via software upgrades.

SmartSDR Setup – Tx Keying And Interlock

It is very important to prevent the Flex-6700 SDR and the associated Amplifier from keying up when the antennas in our station are switched or tuned. The screenshot above shows the configuration of SmartSDR to enable the keying and interlock interfaces between the Flex-6700 SDR and its associated microHAM Station Master Deluxe Antenna Controller to implement these functions. This setup enables the Tx Keying and Tx Inhibit interfaces between the Flex-6700 SDR and the microHAM Station Master Deluxe to work properly to key all of the equipment in the setup (SDR, Amplifier, active Rx antennas, etc.) and to lock out keying when antennas are being switched or when one of our SteppIR antennas are tuning.

Flex-6700 SDR With CW Skimmer

We will cover additional software and integration steps to realize our Remote Operating goals. Check out the above video to see how the system performs. This video was recorded using our Flex-6700 SDR and CW Skimmer during the 2015 ARRL CW Sweepstakes Contest. We are really enjoying operating in CW mode with the new SDR setup!

Fred, AB1OC

2015 Field Day Station Test

June 22, 2015 by AB1OC

Field Day QTH

It’s almost time for the 2015 Field Day Event and we’ve been in high gear getting ready. Anita, AB1QB and I will be operating with the Nashua Area Radio Club, N1FD this year. The club was very active in WRT2014 and we were able to purchase several of the WRTC station and tower kits from that effort. I will be operating the 20m SSB station for Field Day and Anita and I decided to setup our station kit in our backyard last weekend to verify that all of our equipment was ready and in good working order. The first step was to pitch the wall tent from the WRTC kit. The tent and the associated tables/chairs can comfortably hold 3 – 4 people.

Field Data SSB Station Test

I will be using our Elecraft KX3 Transceiver again this year. We’ve added an outboard KXPA100 100w Amplifier to bring the station up to 100w and Elecraft’s very nice PX3 Panadapter. The combination makes a great 100W Field Day Station.

Elecraft KX3 Field Day Station

The picture above is a closer view of the setup. The KXPA100 Amplifier and the PX3 Panadapter are fully integrated with the KX3 and the combination creates a 100W transceiver with a useful Panadapter. The Panadapter should be helpful for Search and Pounce operation during Field Day. I’ve also added a Behringer HA400 four channel headphone amplifier (the unit on the right on top of the power supply) to the setup. This enables connection of a total of 4 sets of headphones to the station – one for the operator, one for a logger and two more pairs for folks to listen in on the fun. Our club has been doing a great deal of outreach to encourage new HAMs to join the hobby and I built this setup so that some of the new folks can listen in on our operation more easily. I will be using a Heil Pro 7 headset to operate and we will have 3 sets of Heil Pro Set 3 headphones for others to use. The Heil gear is very comfortable, light weight and sounds great over the air.

N1MM+ Logger

I will be using the excellent N1MM+ Logger for Field Day this year. It was very easy to setup N1MM+ to work with the KX3. I was also able to use it to trigger the KX3’s voice message memories for calling CQ and for calling in Search and Pounce mode. I am doing an N1MM+ clinic at our final Field Day prep meeting tonight to help others in our club to get going on the N1MM+ logger.

Generator Test

One of the many great aspects of Field Day is that it results in a test of one’s emergency equipment and operating skills each year. Our club has a large generator and power distribution system that we all share for Field Day so I used our station test session as a reason to get my smaller generators out for a test run. We have a pair of Honda EU2000 generators which can be used together to generate quite a bit of power. Here’s one of them in use during our station test.

Our club has quite a bit of antenna equipment, and we will be putting up two 40 ft towers and tri-band beams with Triplexes and Filters for our 20m, 15m, and 10m SSB and CW stations. I’ve built a 40m Delta Loop for our club to use for 40m SSB, and we’ll be putting up 40m and 80m inverted-V and dipole antennas to cover those bands. I plan to do another post after Field Day is done on the setup of our antennas and the N1FD operation. I hope to work some of our readers on the air during Field Day this year.

– Fred, AB1OC

HF Mobile – Planning A U.S. County Hunter’s Tour

May 2, 2015 by AB1OC

Planning a County Hunter’s Tour – 2015 Dayton, OH County Route

Anita (AB1QB) and I have been having a lot of fun with our Mobile HF station since we completed it several months back. We’ve been working quite a bit of DX, and we make contacts whenever we are doing errands or taking other trips. We are planning to attend the Hamvention in Dayton, OH again this year, and Anita suggested that we use the trip to activate some most wanted United States Counties along the way.

CQ US-CA Award

U.S. County Hunters are Amateur Radio operators seeking to work and confirm all 3,077 U.S. Counties. CQ Magazine has an awards program for U.S. County Hunters. Quite a few Amateur Radio operators work all U.S. Counties – some do this using multiple modes, and several have done it multiple times. To find out more about the US-CA Award, see the excellent County Hunter Dot Com site.

The Mobile Amateur Radio Awards Club (MARAC) is a support group for county hunting and mobile activities with members worldwide. This is a great organization to join if you are interested in County Hunting. MARAC provides additional awards center around County Hunting and mobile operating.

You can also view WY7LL’s video on YouTube for a nice introduction to County Hunting, MARAC, and the tools the group provides to help County Hunters.

Anita did the planning for our County Tour to Dayton, OH, and back. She began by looking at the County Hunter’s Web most wanted page to determine which counties lie along potential routes between our home and Dayton, OH were most needed by County Hunters. Based upon this information, she created the route shown at the beginning of this post. As you can see, we are taking different routes going to Dayton, OH and back to allow us to activate as many U.S. Counties as we can. We are also taking a few side trips off our route to activate a few of the most needed Counties near our route.

Date	States	Counties
SundayMay 10	MA	Middlesex, Worcester
	CT	Windham, Tolland, Hardford, Litchfield, New Haven, Fairfield
	NY	Putnam
	NJ	Bergen, Passaic, Morris, Somerset, Hunterdon, Warren
	PA	Northampton, Lehigh, Berks, Lebanon, Dauphin
MondayMay 11	PA	Northumberland, Montour, Union, Snyder
TuesdayMay 12	PA	Cumberland, Fulton, Bedford, Blair, Cambria, Indiana, Westmoreland, Fayette, Greene
	WV	Marshall, Wetzel, Tyler
	OH	Monroe, Washington
WednesdayMay 13	OH	Athens, Meiga, Gallia, Lawrence, Scioto, Pike, Ross, Greene, Montgomery
SundayMay 17	OH	Clark, Madison, Union, Delaware, Morrow, Richland, Ashland, Wayne, Medina, Summit, Cuyahoga, Lake, Ashtabula
	PA	Erie
	NY	Chautauqua, Erie, Niagara, Orleans, Monroe, Livingston, Ontario, Wayne, Seneca, Cayuga, Onondaiga
MondayMay 18	NY	Oswego, Madison, Oneida, Herkimer, Montgomery, Fulton, Schenectady, Albany, Columbia
MondayMay 18	MA	Berkshire, Springfield, Hampshire, Worcester, Middlesex

Planned U.S. County Activation Schedule

The table above shows the 86 U.S. Counties that we plan to activate on our trip along with a rough idea of our schedule.

County Finder App

We found a useful iPhone App (County Finder) that will tell us what County we are in at a given time. The County Finder App uses the GPS in our iPhones to provide our current location in real-time.

HamClock Grid Square App

We will also be tracking and logging the current grid square that we are operating from. We will be using the HamClock App on our iPhones to determine our grid square of operation in real-time.

Mobile Logging

Anita and I will be taking turns operating and logging. We are planning to use a laptop computer running the DXLab Suite, and we will connect it directly to the IC-7000 Radio in our truck. This combination, plus the County Finder and HamClock Apps above, should allow us to log all of our contacts accurately. We will also be uploading contracts that we make to eQSL, LoTW, and ClubLog in real-time as we operate.

OpenAPRS App

We will also be running an APRS station so that folks can see where we are located in real-time and follow our progress. We are using the OpenAPRS iPhone App for this purpose. Our APRS callsign with be AB1QB-15, and you can see our position and progress on aprs.fi at any time by clicking here.

N1FD – Nashua Area Radio Club QSL

Anita and I are the Nashua Area Radio Club members, and we will be operating using the Club’s call sign, N1FD/M, during the trip. In addition to the electronic QSL’ing methods mentioned above, we will also be able to provide paper QSLs using the Club’s QSL card shown above. All paper QSLs we send will note the correct County and Grid Square from which the QSL’ed contact was made. See N1FD on QRZ.com for QSL information.

Band	County Hunters Net Frequency (SSB)
20m	14.336 & 14.271 MHz
40m	7.188 MHz
80m	3.901 MHz
17m	18.136 MHz
15m	21.336 MHz
12m	24.936 MHz
10m	28.336 MHz

County Hunters Net Frequencies

We plan to operate on or near the County Hunters Net Frequencies listed above. We will be QRV SSB on all of these bands, and we may also do a limited amount of operating on 160m SSB as well.

Our Mobile HF Station

We hope you will take some time to work us during our trip. If you do and you read our Blog, please let us know. If we do not have other stations calling, we’d like to take a little time to say “hello” and get to know some of our readers better. We will also be attending the County Hunter’s Forum on Friday, May 15th, at this year’s Dayton Hamvention. If you are there, please introduce yourself, and we’ll have an “eyeball QSO”.

– Fred, AB1OC

2015 DX’ing – DX’ing Tools Produce One Of The Best Years Ever So Far

March 12, 2015 by AB1OC

DX’ing Tools – March 2015 Featured DXpeditions

2015 has been quite a year for DX’ing and working new DXCCs for us. This month is the most productive I have experienced, with more than 20 interesting DXpeditions. We’ve been fortunate to have the chance to work the DXpedition on Navassa Island (#2 on ClubLog’s most wanted list), which took place in February of this year. In addition to those shown above, there are also quite a few small operations, including E51UFF on North Cook Island and VP8DOZ on South Georgia Island (#9 on ClubLog’s most-wanted list) being on. Also, Eritrea, E30FB, which is operating right now, is #20 on ClubLog’s most wanted list. All of this makes for a great opportunity to work all-time new ones and add new DXCC Band-Points. We extensively used DX’ing tools as part of working new DXCCs this year.

Anita, AB1QB has worked 13 all-time new DXCC’s and I’ve worked 5 all-time new DXCCs since the beginning of 2015. Anita has broken the 250 DXCC barrier, and I’m just 2 away from breaking 300. There have also been quite a few new IOTAs for us. Anita has added 11 IOTAs this year, and I’ve added 14. We also added more than 85 DXCC Band-Points each toward our DXCC Challenge Award totals. I have set a goal to work at least one new DXCC Challenge Band-Point each day in 2015 in hopes of getting to the 2,000 DXCC Band-Point level before the end of the year (I am currently at 1,785 worked).

Shack Board – Upcoming Operations and Contests

We use a number of different sources to find out about these operations. Our favorite ones are The Weekly DX, DX-World.net (the source of the graphic above), and DX Publishing’s QRZ DX. These are all excellent sources for finding out about upcoming DXpeditions, small DX operations, and IOTA activations. Working DX contests such as CQ WW DX, the ARRL DX Contests, and CQ WW WPX are also excellent ways to work new DXCCs and new Band-Points. We have a whiteboard in our shack where we record upcoming operations that we need and contests that we want to participate in. This helps us keep track of what is coming up that we need.

DXLab SpotCollector

We also use the SpotCollector component of the DXLab Suite to help us identify new DXCCs, Band-Points, IOTAs, and WAZ Band-Zones that we need in real time when they come on. We have also used SpotCollector to alert us when stations we need for the Yearly CQ DX Marathon are on the air.

Spot Sources Configuration In SpotCollector

We have configured SpotCollector (the spotting component of DXLab) to aggregate spots from various sources. Our logs are kept in DXLab, and we program the SpotCollector to filter all incoming cluster spots and CW/RTTY Skimmer data to tell us about high-priority stations we want to work with when they are on the air. The key to this approach is carefully filtering incoming cluster and skimmer spots to only display and forward the most important opportunities.

Award Setup in DXKeeper

The first step in the filtering is to configure DXLab’s DXKeeper component for the types of contacts we are interested in. This is done in the Award configuration section of DXKeeper.

SpotCollector SQL Filter

We then use the powerful SQL script capability of SpotCollector to only tell us about stations that we are willing to “head for the shack to work.” SpotCollector is configured to send the appropriate spots as text messages via email to our mobile phones so that we know immediately when something we need comes on. The filter above selects all-time new DXCCs, new DXCC Band-Points, new IOTA’s, and new WAZ Band-Zones which are spotted in the Eastern or Central United States. The filter also picks up new Band-States for the ARRL Worked All States Award.

We hope our readers interested in working DX and IOTAs will be able to find some time to work so of the operations on the air right now. This time period is certainly one that has a lot of potential to put “new ones” in the log. If you use the DXLab Suite, you might try some of the more advanced features of SpotCollector to help you better find stations that you want to work when they are on.

– Fred, AB1OC

An Introduction To The DXLab Suite

December 11, 2014 by AB1OC

Introduction To The DXLab Suite

I recently had the opportunity to do a presentation introducing the DXLab Software Suite for several local radio clubs. The idea was to provide a fairly comprehensive introduction to DXLab and to show how it can be used to make Amateur Radio operations, QSL’ing, and Award Management easier and more enjoyable. There are several good DXLab introductory presentations and web pages on the internet, so we decided to do ours with some “live” demos of DXLab in use within our station.

Why Computer Logging And DXLab?

Not all hams have converted to computer-based operation and logging, so we began by covering the motivation for and some of the advantages of Computer-based operation and logging.

DXLab Suite Components Overview

The next part of the presentation provided an overview of each of the components of the DXLab Suite and some of the basics of how they work together. This was covered via a set of “live” demonstrations using our station. You can view these demonstrations as videos via the following links:

Our station is a fairly complex one. It includes multi-operator capabilities from two operating positions with a total of four active radios and a microHAM station automation system. We also operate under a number of different callsigns from different computers. Finally, we do a fair amount of operating portable and from our mobile HF station. The DXLab Suite’s Launcher program, with its multiple workspace capabilities, easily handles the multiple configurations and equipment interfaces that are required for our station and operating style.

DXLab Use Scenarios

The next part of the presentation covered some common DXLab “use cases” that one would likely encounter when making contacts, QSL’ing, and managing progress toward operating awards.

Casual Contacts With DXLab

The first demonstration showed the use of DXLab to make casual or “rag chew” contacts. The emphasis here is on using the Suite to automate station configuration and logging tasks and to provide information to enhance the quality of your contacts. This demonstration covers the basics of how the components of the DXLab Suite work together to help you make and log a contact. You can view a video of this demo via the following link:

Using DXLab to make Casual Contacts and for “Rag Chewing”

Finding And Working DX With DXLab

The next demonstration showed the use of DXLab to find and work DX contacts. This demonstration uses more components of the DXLab Suite, including the spotting cluster and propagation prediction features. You can view a video of this demo via the following link:

Using DXLab to find and work DX contacts

Operating CW And Digital With DXLab

The next demo shows how DXLab is used to find and make a DX QSO using Digital Modes. A RTTY QSO is shown, including the WinWarbler component and multiple RTTY decoders (MMTTY and 2Tone). You can view a video of this demo via the following link:

Using DXLab to make Digital Mode Contacts

QSL’ing With DXLab

The next demo shows how to use DXLab to QSL and confirm contacts. The demo covers QSL’ing via the Logbook of the World (LoTW) and the eQSL online QSL services, the generation of paper QSLs, and the assistance that DXLab provides to determine QSL route information. You can view a video of this demo via the following link:

Using DXLab to QSL and Confirm Contacts

DXLab QSL Card Examples

DXLab can generate labels to apply to your pre-printed QSL cards, or it can be used to print QSL information directly on blank cards.

QSL Card Label Sheet Example

DXLab can print QSL cards and address labels on many types of standard label stock. An example of QSL card labels is shown above.

QSL Envelope Generated By DXLab

DXLab also generates outgoing and return envelopes for your paper QSLs. An example is shown above.

Operating Award Management With DXLab

The final demonstration shows how to use DXLab to track your progress toward and apply for operating awards. Some of the basics of QSL “aging” are discussed as well. You can view a video of this demo via the following link:

Using DXLab to Track and apply for operating awards

AB1OC Operating Awards In Our Shack

The SpotCollector component of the DXLab Suite is very useful as a cluster monitor. It can be configured to alert you via email or text to your mobile when something is on that you need. More information on how to use SpotCollector this way can be found here. The set of operating awards that DXLab knows about and the features that it provides to manage your progress toward earning and applying for awards are some of the strongest features of the suite. We have used DXLab to help us to earn many different operating awards.

Getting Started With DXLab

The final part of the presentation covers the configuration of the DXLab suite to get it to work with your station. Since every station is different, it’s best to consult the excellent DXLab online help for more information on how to configure the suite.

Useful Information And Links

The presentation includes links to useful tools and information to help you get the most from the DXLab suite. Dropbox is a useful file-sharing tool that can help you keep your logs and DXLab configurations in sync across multiple computers. This allows you to use DXLab to access your current logs or to operate your station from different computers.

I hope this overview of the DXLab suite will encourage our readers to try it. Anita (AB1QB) and I have successfully used the DXLab suite with our station for several years now. It does a great job automating many aspects of our Amateur Radio operations, QSL’ing, and award management. It easily handles the complexities of our multi-operator station, and it also handles logging and QSL’ing for multiple call signs that Anita and I operate under. We also use DXLab for our portable, Field Day, and mobile operations, and it handles all of these scenarios very well.

The DXLab suite is available for download here. Here, you can download a copy of our DXLab presentation (without the videos). The DXLab Yahoo! Group provides a good place to seek support and answers to questions about DXLab. I hope that our readers will give the DXLab suite a closer look. For those who already use DXLab, we hope you pick up some new ideas from how Anita and I use the suite as part of your Amateur Radio operations.

– Fred, AB1OC

AB1QB Enters The 2014 JARTS RTTY Contest – Our First Use Of N1MM+

October 25, 2014 by AB1OC

AB1QB In 2014 JARTS Contest

One of Anita’s (AB1QB) favorite contests in the JARTS RTTY Contest. We decided to use the new N1MM+ Logger for the first time in this contest. There are many new features and improvements in N1MM+. A summary of N1MM+’s enhancements can be found here. We opted to do a completely clean installation of N1MM+ (rather than upgrading our existing N1MM Classic installation) to avoid any issues related to an upgrade scenario and to clean up any lingering issues with the software that we use with N1MM. We did save our N1MM Classic databases from previous contests and we imported those into N1MM+ after the upgrade. This process went very smoothly and we are finding N1MM+ much less difficult to configure and use. We also did clean installations of the MMTTY and 2Tone RTTY programs that we use along with N1MM+.

N1MM+ Setup On Dual Monitors (click to enlarge)

Having plenty of screen space really helps with our computer assisted style of operating. Each of our two operating positions has a PC with dual monitors and we made good use of the display space to organize all of the information that N1MM+ provides. The picture above shows the N1MM+ screen layout that Anita used for the contest (the following screen shots were taken after the contest so as not to interfere with Anita’s operations in 2014 JARTS RTTY).

N1MM+ Setup – Left Monitor (click to enlarge)

Anita’s left monitor contains the N1MM+ and related windows that Anita used most during contest operations. You can see the MMTTY and 2Tone RTTY decoder windows in the right middle of the screen in operation on a RTTY signal that we are receiving. The windows to the left of the decoders are the N1MM+ Digital Interface windows which show the received text as it is decoded. It is common to use multiple decoders in a RTTY contest to maximize the chances of a good decode in marginal or noisy band conditions. MMTTY and 2Tone are set to use different decoding algorithms and each will work better in certain conditions than the other. The windows in the upper left and lower left of the screen provide a summary of available QSOs and multipliers based upon spotting cluster data and real-time contest information and performance statistics vs. goals that Anita programmed based upon her experience with this contest from last year. The small window at the bottom/center of the screen is the Rotator Control Window which provides an interface between the rest of the N1MM+ software and our rotatable antennas which are controlled via our microHAM Station Master Deluxe Antenna Controllers. We had no problems at all getting N1MM+ to work well with our microHAM system including the SO2R and WinKey capabilities of our microHAM MK2R+ and the antenna controller capabilities of our Station Master Deluxe Antenna Controllers.

N1MM+ Main Entry Window

The picture above shows N1MM+’s Main Entry Window in detail. If you are familiar with N1MM Classic, you will immediately notice that most of the capabilities that are most commonly used to operate in a contest have been consolidated in this window. You can now change bands and see overall status of available contacts from this window. The fonts (including size), colors and skins are all customizable in all N1MM+ windows including this one.

Digital Interface Window (MMTTY)

The Digital Interface Window provides a new mode (wrap-round) which does not scroll the text up when the window is full. This is a big help to avoid “moving target” issues when one is trying to click on a decoded callsign or exchange information to get it into the logger. You can also hover over a callsign in this window with the mouse and it will be automatically entered in the N1MM+ Main Entry Window and checked.

Callsign Check Window

The Callsign Check Window provides multiple options for determining if a callsign is valid or making corrections. The decoding algorithms have been improved and possible alternative characters for unmatched letters are highlighted in color. You can also now select multiple sources for information to base callsign lookups upon – your current log, the SuperCheck Partial file, Telnet spots received over the last 48 hours, and your current Call History database.

N1MM+ Setup – Right Monitor (click to enlarge)

The picture above shows the N1MM+ Windows on Anita’s Right Monitor. On the left is the Bandmap Window which shows callsigns that have been spotted or worked on the current band. Clicking on a callsign or your CQ frequency indicator in this window will tune your radio to that place on the band and load the appropriate callsign into N1MM+’s Main Entry Window. In the upper right is the Telnet Cluster Window which shows and filters spots as they are received from your favorite Spotting Cluster server.

Log Window

The picture above shows a closeup of the Log Window. This window’s layout is much cleaner and easier to read in N1MM+. it’s also possible to make corrections in log entries by just clicking on the desired field in a log entry and typing in a correct value. This is a real time saver when trying to make real-time corrections during a contest.

Multipliers Window

There are a number of different Multiplier Window formats and each is useful depending up the multiplier structure of a given contest. The example above shows DXCC entities by band which is the most useful format for the JARTS RTTY Contest. N1MM+ allows one to include a color coded mix of multipliers that have been worked, spotted but not yet worked, or those that you expect to be on the air based upon your logs from the same contest during previous years (or perhaps an “announced operations” list that you have received prior to the contest). This new format provides a much more useful view of the operator’s progress on multipliers during a contest.

Grey Line Map

N1MM+ also provides a useful Grey Line Map Window which shows the current Grey Line location as well as recent spots. You can determine the callsign for a given spot “dot” by hovering over it with your mouse. A nice enhancement here would be to support click on this map to turn your rotatable antennas to that direction to enable working a group of spotted stations. It would also be nice if a line showing the current antenna direction could be displayed on this map.

Contest Statics

There are also some nice enhancements in the Contest Statics reporting capabilities including a color coded graphical format. The format of the graph can be customized using a set of drop down boxes.

Score Summary Window

All of the enhancements in N1MM+ add up to a big improvement in usability of this popular contest logger. Shown above is Anita’s final claimed score for the 2014 JARTS RTTY Contest. Her score this year was about 200% higher than last year and no doubt the improved N1MM+ logger (along with Anita’s increasing experience as a contest operator) get some of the credit. Anita is using N1MM+ as part of the 2014 CQ WW SSB DX Contest this weekend. Look for an article here in the near future on Anita’s experiences with N1MM+ in that contest.

What’s your favorite Contest Logging Software? To help us understand our readers interests better, please complete the poll above.

– Fred (AB1OC)

LEO Satellite System Part 3 – Final Installation And First Contacts

September 19, 2014 by AB1OC

Eggbeater Antennas And Preamps SystemsOn Tower

Eggbeater Satellite Antennas And Preamp System On Tower

With some help from Matt Strelow, KC1XX of XX Towers, we’ve gotten our LEO Satellite Antennas and Preamp System installed on our tower. We installed the antennas on a sidearm at about 80 ft and installed the preamp system (the upper left gray box) next to the antennas on the tower. The design and construction of our LEO Satellite System was covered in the Part 1 and Part 2 articles here on our blog.

Hardlines At The Tower Base

I choose a 7/8″ Heliax Hardline Coax (Andrews AVA5-50) for the feedlines between the antennas on the tower and the shack. I choose this type of cable to hold our losses end-to-end to about 1.0 dB for the 432 MHz side of the system. Our Icom IC-9100 Transceiver, which we will use for satellite work, provides 75W of output on the 70cm band, resulting in a maximum of about 45W at the antenna – plenty of output power for LEO satellite uplink work. The end-to-end loss on the 144 MHz side is about 0.6 dB resulting in an 85W out the maximum from 100W in. The antennas were connected to the preamps and through to the hardline coax cables using short LMR-400UF coax jumpers, and crimp-on N-type connectors were used throughout the system. The conduits buried under our lawn had plenty of capacity for the two additional hardline cables (the lower pair of large coax cables in the picture above). I also routed the control cables for the preamps through one of our smaller conduits.

Hardline Terminations At Our Shack

The hard lines (cables with orange and purple tape) were terminated with N-connectors, and the shack entry end through grounded PolyPhaser Lightning Protectors.

VHF – UHF Antenna Switching Console

The two sides of the LEO Satellite Antenna and Preamp system were terminated on our VHF – UHF switching console in our shack. The console uses Hofi-Technik Rotary UHF Antenna Switches to allow selection of the LEO Satellite Antennas as well as our M2 Antenna Systems 144 MHz and 432 MHz Yagis and a Diamond X-300NA 2m/70cm ground plane vertical, which we use for repeater work.

Preamp Control Cable Terminatons On Tower

Preamp Control Cable Terminations On Tower

We also terminated the control cable from our Preamp System on Control Line Static Suppressors at the base of our tower.

Preamp Sequencers

The Preamp Control Cable was routed to a pair of M2 Antenna Systems S3 Sequencers (top units in the picture above) to enable proper Tx/Rx sequencing to protect the tower-mounted Preamps from damage during transmit. These units allow the 144 MHz and 432 MHz Preamps to be turned on/off separately, as well as enabling the noise test function on the 144 MHz preamp. With all of the installation work done, I confirmed that the SWR reading on both antennas was in the specification at the input to the IC-9100 Transceiver and that both Preamps work (via an observed increase in noise level) when turned on.

Nova For Windows (FO-29 Satellite Pass)

The final step was to install the Nova For Windows program and download the latest Keplerian Elements for the HAM satellites that are currently operational. Nova For Windows allows me to determine when a given satellite is making a pass that covers both my QTH and the area where I want to try to make contacts. The program can also predict future passes, making planning satellite operating times easier. The picture above shows the footprint of the FO-29 and the ISS during a pass over my location.

Fuji Oscar FO-29 Satellite

On the day and time, I tried to make my first contacts, only satellites with Linear Transponders were making useful passes overhead. I try my first contact through FO-29 (Fuji Oscar 29), a V/U Mode (145 MHz uplink/435 MHz downlink) satellite.

First Satelllite Contact - EA1QS In Spain

First Satellite Contact QSL – Pablo, EA1QS In Spain

With my IC-9100 setup in Satellite/SSB Phone mode to transmit and receive on the proper frequencies and side bands and with the Tx and Rx sides set to track each other (this is one of the useful satellite Features provided by the IC-9100), I began by locating a clear frequency on FO-29’s transponder and transmitting on the uplink while adjusting my Rx offset until I could hear my own transmissions coming back from the bird. Once I found my receive frequency, I began looking for a station to work. As good luck would have it, I found Pablo, EA1QS in Spain, and made my first contact! It took some care to stay on frequency during the brief contact as the Doppler shift associated with the path through FO-29 was changing fairly rapidly.

I also made two contacts with W1AW/9, the ARRL Centennial QSO Party Operation in Illinois, USA. I made these two contacts through two different satellites. The first contact was made through VUSat VO-52, a U/V Mode (435 MHz Uplink/145 MHz Downlink) satellite, and the second one was made using FO-29 again. I was quite fortunate to make the contact through VO-52 as its batteries failed, and the bird went out of service just 12 days after my contact was made.

M2 Antenna Systems 70cm and 2m Yagis On Top Of Our Tower

My early experiences with our new LEO Satellite System have been good. The M2 Antenna Systems Eggbeater Antennas and tower-mounted Preamp System work quite well when the Satellites being worked are 30 degrees or more above the horizon. I can use our weak signal 2m and 70cm yagis (top two antennas shown above) and the associated tower-mounted Preamp Systems (two grey boxes just below the top of the tower) for Satellite passes below 30 degrees. This mode of operation will require computer tracking, which I can do via Nova For Windows or the Ham Radio Deluxe Satellite Software, both of which I already have. I plan to try this combination and provide additional setup and operational results for this configuration sometime in the future.

Its been a very busy summer, and I have not as much time to operate using LEO Satellites as I would like. With WRTC 2014, the ARRL Centennial Convention over, and the 13 Colonies Special Event and W1AW/1 New Hampshire portable operations completed, I hope to have more time to devote to Satellite Operation. It’s a lot of fun to make contacts through satellites, and this mode of operation will give us the chance to learn some new skills.

A SDR Pan Adapter/Spectrum Scope For The Yaesu FTdx5000 Transceiver

May 5, 2014 by AB1OC

SDR Pan Adapter for FTdx5000

We both like the performance on Anita’s (AB1QB) Yaesu FTdx5000 Transceiver. It has an excellent receiver and is integrated nicely with our recently completed microHAM system. One area where the FTdx5000 Transceiver leaves a bit to be desired is its Pan Adapter or Spectrum Scope capabilities. We have both the DMU-2000 and the SM-5000 Station Monitor options for this transceiver, but they do not provide the high-resolution Pan Adapter features we are looking for. When we purchased this radio, we also purchased an RFSpace SDR-IQ Software Defined Receiver device to use with it. I recently set the SDR-IQ up to operate with Anita’s FTdx5000 to get the best of both worlds – the high-performance receiver capabilities of the FTdx5000 and the high-resolution Pan Adapter and Tuning features of a Software Define Radio (SDR).

We are using Simon Brown’s (HB9DRV) SDR-Radio Console Application to control the setup. The picture above shows this software, the RFSpace SDR-IQ, and the FTdx5000, in operation together in the phone section of the 20m band. As you can see, the software provides an SDR-like waterfall interface to the radio. The SDR-Radio Console software has the option to control the FTdx5000 via its CAT Interface, and we have enabled this in our configuration. All one needs to do is click on one of the signals on the waterfall or drag-tune the setup with a mouse, and the FTdx5000 is automatically tuned to operate on the correct frequency to receive the desired signal. The current version of the software only controls one of the FTdx5000’s two VFOs, but Simon has indicated that he plans to add support for controlling a connected transceiver’s second VFO in the future. This combination results in a considerable improvement in the FTdx5000’s operating interface. In addition to the waterfall display, the SDR-Radio Console software also provides audio scope and other spectrum scope functions as part of its displays.

SDR-IQ Receiver

The RFSpace SDR-IQ Software Defined Receiver is a small unit that connects to our FTdx5000 via the IF output connection on the transceiver. This device uses the FTdx5000’s wide-band IF signals to create a digitized IQ interface. Our readers should note that only a few radios have an IF output built-in – fortunately for us, the FTdx5000 does have such an output. See RFSpace’s website for some options for radios that do not have a built-in IF output. The SDR-IQ can “see” up to 190 kHz of bandwidth on the transceiver’s IF, which is more than enough to cover an entire sub-band spectrum on most HF bands. The SDR-IQ unit connects to the PC, which runs the SDR-Radio Console software via a USB interface (a USB 3.0 connection is recommended). With some simple configuration and adjustments to the RF levels in SDR Console, the unit was ready to go (we used the software supplied with the SDR-IQ to bring its firmware up to the latest version before setting up SDR-Radio Console). There is a groups.io support group for the SDR-Radio Console software, and the folks there were very helpful in answering our questions as we worked through installing the setup and getting it configured.

I believe that an SDR interface added to an existing “knobs and buttons” transceiver can provide a transceiver system that is much easier to operate. Thanks to folks like Simon Brown, HB9DRV, and his work on SDR-Radio Console software, we have yet another way to explore the world of Software Defined Radio.

– Fred (AB1OC)

2013 Field Day

August 1, 2013 by AB1OC

CW Station Operations

Our club, PART of Westford, MA USA, held our 2013 Field Day event at the Concord Rod & Gun Club again this year. We operated three HF Stations (SSB Phone, CW, and Digital) as well as a VHF and a Satellite Station this year. All of our operations were QRP 5 watts and used solar/battery power. The photo above shows Bob (W1IS) and Bill (AA1O) operating the CW station. Our day began with the setup of our antennas and the four stations.

Field Day Tri-Bander

Anita (AB1QB) and I handled the HF beam antennas for our Field Day Operation. This included a Hy-Gain TH-3JRS Tri-Bander loaned to the club by Allison (KB1GMX) which was installed 20 ft up on a guyed military push-up mast.

15m Buddi-Beam

We also brought our 15m and 10m 3 element budi-beam mono band yagis which we designed for portable operations. These antennas plus a G5RV and a 40m wire beam made up our HF antenna farm for Field Day. All of these antennas were brought to a common interconnect panel where they could be connected to any of the three HF stations. We setup all of these antennas at home the week before to confirm that they worked as expected and to ensure that they could be erected safely and quickly at our Field Day site.

VHF Tower

Another part of our team spent time to put up a Rohn 25G tower for our VHF Station. Allison, (KB1GMX) led this effort and supplied yagis for 6m and 2m. Operating on these bands QRP 5 watts is quite challenging and Allison was able to make a fair number of contacts by utilizing her considerable VHF operating experience.

Digital Station Battery Power

With the antennas up, we turned our attention to the setup of the digital station and its associated battery and solar power. The digital station is the most challenging in terms of off-grid power because we need to power both the Transceiver and a Personal Computer as the latter is integral to generating and decoding digital mode signals over the air. The power system for the digital station consisted of two 65 Ah dry cell deep cycle batteries and a solar charging system. The batteries were sized to allow operation of the digital station for the full field day period of 24 hours in the event that we had limited sunshine due to clouds or rain.

Solar Panels

The battery system used SunSaver MPPT charging system setup in a 30 Vdc configuration along with two PowerFilm 90W folding portable solar panels wired in series. We had good sunlight during the daytime and the solar panels were able to keep our batteries fully charged. The CW and SSB phone station used a few sets of smaller batteries and a solar panel to recharge them.

SSB Phone Station Operations

All three of our HF stations used Elecraft KX3 Transceivers. The KX3s turned out to be an excellent choice for our Field Day operations as they have low power consumption, a good receiver and provide excellent usability and external interfacing capabilities for automated logging, CW and digital operation. The photo above shows Scott (NE1RD) and Lyman (W1LKS) operating the SSB phone station. We used PCs on all three station to automate logging. We used Andy’s (KB1OIQ) xlog logger for the Phone and CW stations and the N1MM logger for the Digital Station.

Digital Station Equipment

Anita and I were the coordinators for the Digital Station and we decided to update the configuration of the digital station this year. In addition to the Elecraft KX3, we used a Windows 8 PC running N1MM/MMTTY/2Tone/FLdigi to handle the logging and digital mode processing.

Digital Station Software – RTTY Mode

N1MM provided a more contest-oriented logging setup as well as the ability to run multiple digital decoders to give us the best possible chance of receiving digital transmissions without error. For RTTY signals, we used a combination of the MMTTY and 2Tone encoder/decoders. For PSK signals, we used FLdigi. After some initial tuning, we got good results with this combination of software.

Satellite Station

Bob (KB1SWZ) put together a very competent Satellite station to complete our Field Day setup. Working LEO birds QRP 5 watts on Field Day provided to be quite a challenge as its hard to compete with the many higher power stations contending for the birds on Field Day.

Toolbox Talk

With all of the stations setup and ready to go, we provided a series of “Toolbox Talks” to help members of our club understand our field day stations and how to use them. Shown above is Scott (NE1RD) explain how to use the Elecraft KX3 which was central to all three of our HF stations.

Digital Station Operations

One of the best parts of Field Day is that it provides the opportunity to spend time with newer operators and young people to introduce them to many aspects of Amateur Radio and to provide them with opportunities to get on the air and try new things. Shown above is Fred (AB1OC) explaining the operation of the Digital Station.

Field Day Feast

We are fortunate to have our club sponsor a nice meal as part of our Field Day event. Charlie (W1ADL) and Rick (W1RAG) did a great job with food for our event this year. In addition to a great meal, this provides all of the club members participating in our Field Day event a chance to socialize and have fun.

We operated for the full 24 hour period again this year and managed to make a good number of contacts with our QRP setups. The totals for our effort were 722 QSOs (up from 587 in 2012) with a final score (including bonus points) of 7,355. A special thanks to everyone who contributed to or was part of making our 2013 Field Day event a success. We also very much appreciate Joe’s (KB1SSA) efforts to help us secure the excellent facilities at the Concord Rod and Gun Club for our Field Day event.

– Fred (AB1OC)

Our HAM Station

Notes on the construction and operation of a multi-op Amateur Radio Station

Category Archives: Software

Software Defined Radio/Remote Operating Gateway Part 2 – Client/Server Setup And Software

Software Defined Radio/Remote Operating Gateway Part 1 – System Design And Hardware Installation

2015 Field Day Station Test

HF Mobile – Planning A U.S. County Hunter’s Tour

2015 DX’ing – DX’ing Tools Produce One Of The Best Years Ever So Far

An Introduction To The DXLab Suite

AB1QB Enters The 2014 JARTS RTTY Contest – Our First Use Of N1MM+

LEO Satellite System Part 3 – Final Installation And First Contacts

A SDR Pan Adapter/Spectrum Scope For The Yaesu FTdx5000 Transceiver

2013 Field Day

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