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Kg3v Ham Radio Blog

A Diary of Technology Persuits

Comparing the ICOM IC-7600 and the Yeasu FTDX-3000 – UPDATED 8/18/2017

Since this page seems to be quite popular, I am trying to periodically update it. The latest update mainly fixes some typos, but I am also adding a few additional observations about the two radios. Here is an email that... Continue Reading →

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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 →

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 →

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 →

First Trial of Horizontal Loop

I installed a prototype 40m Horizontal loop for testing in a recent contest. This was a test to see if a low-elevation loop would be useful for NVIS propagation, as I was trying to maximize the number of close-in stations... Continue Reading →

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 →

DXDUSB Instructions

I have started to create some instructions for installing the DXDUSB. Go to the DXDUSB Page on this Blog (from the Top-level) and you will find a Link to the Instructions File. This is a work in progress, and will... 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 →

Using N1MM+ OTRSP Data for Antenna Switching

I have been looking at antenna switches for using two radios with a number of antennas. The common switches I have found are referred to as "Six packs" or 2X6 antenna switches, which establish connections for 2 radios to any... Continue Reading →

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