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Kg3v Ham Radio Blog

A Diary of Technology Persuits

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Equipment

Your Elecraft KAT-500 Tuner Protects your KPA-500 Amp – until it doesn’t – UPDATED 10/30/2019

I have been using an Elecraft KPA-500 linear amplifier and a KAT-500 Antenna tuner with my Icom radios (mostly the IC-7600 and briefly with the IC-7300) After much research and discussion, I figured out what I thought was the best... Continue Reading →

Can’t Use TUNE Button on IC-7300 with KAT-500 Tuner

When I initially connected my IC-7300 to my Elecraft KAT-500 Antenna Tuner, I was unable to get the Tuner to start Tuning the KAT-500 from the TUNE button on the front panel. Here is what I discovered: I was using... Continue Reading →

Using the KAT-500 and KPA-500 with Icom Radios: Part II

I have continued to investigate the various ways to connect my Icom IC-7300 or IC-7600 to the Elecraft KAT/KPA-500 Tuner and Amplifier. I have received some very helpful communication from a number of other Hams using Icom Radios with the... Continue Reading →

Using the Elecraft KPA-500 and KAT-500 with Icom Rigs: Part I

I now have the Elecraft KAT-500 Antenna Tuner and the KPA-500 Linear Amplifier. My rigs are not Elecraft, but Icom (7600 and 7300) and Yaesu (FTDX-3000). I want to setup the Station to use the Elecraft components with my non-Elecraft... Continue Reading →

Sure I Like SDR Technology. But I still Want a “Radio”

I have worked in an industry where we have been developing "digital radios" for many years. Many of the technologies that are finding their way into the great new fad we all call SDR (Software Defined Radios), are not new.... Continue Reading →

AntDecoder Testing and Logic Levels

I have been asked about the progress of the AntDecoder project. I have been working with a prototype PC board along with a 2X6 Antenna switch. The antenna switch is a homebrew model made by Mike, K4GMH. Mike was kind... Continue Reading →

Updating FTDX-3000 Firmware

I finally decided it was time to update my FTDX-3000 to the latest Firmware. Yaesu has been good about making updates available for this Rig. Recent updates have greatly improved the spectral display including adding a nice waterfall below it,... Continue Reading →

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 →

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 →

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