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Kg3v Ham Radio Blog

A Diary of Technology Persuits

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Interfacing

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 →

Moving the DXDUSB inside the DX Doubler

I have been using the DXDUSB as the interface for my DX Doublerfor a couple years now, and what I really wanted to do is to have a DX Doubler with the USB interface "built-in." Well, the idea of actually... Continue Reading →

RTTY on the IC-7600 Using N1MM+ and MMTTY

I have been using the IC-7600 on RTTY with N1MM+ and the MMTTY application for a couple of years now. There are some good directions for this in the N1MM+ documentation, so I am not going to go through all... Continue Reading →

AntDecoder Proto Testing with 2X6 Switch

This weekend, I finally got a chance to assemble and test a prototype PC Board for the AntDecoder. The board and the software worked fine. The only issue is that I need to add output buffers to the Arduino lines... Continue Reading →

Important N1MM+ Antenna Config Changes

I just installed the latest version on N1MM+. I have been looking at using the Antenna Data provided by N1MM+ for controlling my antenna switching. In the latest version, the Change Log shows two changes that were made to the... Continue Reading →

Hints – Using the ICOM IC-7600 on RTTY with N1MM+ and MMTTY

I keep seeing people having trouble with this setup. Every time I go to RTTY Mode, something is not working. It seems that some of the parameters in MMTTY and in the Radio keep resetting themselves. There are some other... Continue Reading →

Using N1MM+ Serial (OTRSP) Data for Two-radio Antenna Switching

I have been investigating ways to automatically switch antennas in a 2-Radio (SO2R) station for use in Contesting. Using multiple antennas is nearly a must for HF contesting, including Yagis, Veticals, and any of a variety of wire antennas. When... 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 →

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