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Kg3v Ham Radio Blog

A Diary of Technology Persuits

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Ham Radio

Trying an HF Horizontal Loop Antenna

I was looking for a new antenna to try this weekend. I will be in the NAQP CW Contest and there will be many stations active across the US, Canada, and hopefully some DX. I have been thinking about a... Continue Reading →

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Building an Elecraft KAT-500 Antenna Tuner

I have had a number of automatic Antenna Tuners in recent years.I have had  MFJ tuners, LDG tuners and the built-in tuners in my TS-930s, Elecraft K2, ICOM IC-7600, and Yaesu FTDX-3000. They have all worked pretty well. The first... Continue Reading →

CQWW CW 2016 – A Contest and a Beverage

As I have become more interested in Contesting, I have met some top contest operators in my Local Contest Club, and have been looking for some antenna improvements for my modest Station at KG3V in White Stone, VA. My current... Continue Reading →

Assembling Glen Martin Rt-424 Roof Tower

The RT-424 is a 4.5 foot tall roof-mounted tower for rotatable antennas. As I have heard, this looks like a nice product but the instructions leave something to be desired - something HUGE. Here are a few notes and warnings... Continue Reading →

DXDUSB Next Version with Custom PC Board – UPDATED

After using some DXDUSB prototypes with DX Doubler SO2R boxes for several months, I finally got around to completing the PC Board layout for the next version. This one will add some power conditioning and choice of operation from +5... Continue Reading →

Roof Tower RT-424

I have been looking at a way to get a Yagi on my roof. No room for a big tower at my QTH, but something on the roof is within reason. I have been looking at the Glen Martin Roof... Continue Reading →

DXDUSB – DX Doubler USB Interface Update

DXDUSB Development Status I have had some requests to provide DXDUSB prototypes to  couple people. The latest prototype (Protot3) is still very rough. I have a couple in ongoing testing and they seem to be working well. However, these are... Continue Reading →

A USB Interface for the DX Doubler – The Last DXDUSB Prototypes

I have been working on a USB-only interface for the Top Ten Devices DX Doubler for some time. I recently completed the 3rd generation prototype. This is still a prototype - it uses a very small Arduino board with attached... Continue Reading →

VA QSO Party 2016 – Two for the Road

I went mobile again for the 2016 Virginia QSO Party, using the callsign KT4KA. I use that callsign so as not to confuse everyone when calling CQ (with my normal "3"call). The goal this year was to beat last year,... Continue Reading →

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