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Kg3v Ham Radio Blog

A Diary of Technology Persuits

160 Meter Inverted “L” Antenna

I have a need to get on 160m occasionally for a contest, but have limited space. I tried a dipole, but it was just too much trouble. I had to bend the ends all around to fit my small lot.... Continue Reading →

Loop-on-Ground, the simplest Receive-Antenna you will ever Build, and it Works

I have been experimenting with some Receive-antennas for the Low HF bands (80 and 160 meters is "low-band" to me). I discovered these popular antennas from other Hams at the Contesting Club (Potomac Valley Radio Club) I belong to. Nearly... Continue Reading →

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 →

LOTW now has 1 Billion QSOs!

I just saw that the ARRL Logbook of the World (LOTW) now contains records of over 1 Billion QSOs. That is impressive. When it started, I wondered if it would survive. It went through a period of slow-response, although I... Continue Reading →

Using the KAT-500 and KPA-500 with Icom Radios: Part II – Updated 2 AUGUST 2020

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 →

Using External Antenna Tuners with the IC-7300 – Update 3/2/19 (Elecraft section)

I have been trying a couple external Tuners with my IC-7300 transceiver, with mixed results. They actually both worked, but operation is a little confusing. The tuners I have tried so far are: Elecraft KAT-500 LDG Electronics IT-100 The Elecraft... Continue Reading →

IC-7300 Spectrum Display with N1MM+

I recently bought an Icom IC-7300 SDR transceiver, and finally got a chance to start looking at it. My hope is to use this as a Mobile rig, although it is a bit large. Not sure how I will mount... Continue Reading →

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