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Kg3v Ham Radio Blog

A Diary of Technology Persuits

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Contesting

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 →

Time Out for the Virginia QSO Party

The VA QSO Party will take place next weekend, and I invite you to participate if you have the time and interest. We would love to see the number of participant increase this year. There has been a pretty good... Continue Reading →

RTTY Transmissions Off-freq with MMTTY

I participated in the NAQP RTTY contest this weekend. I normally use 2 radios in contests. In this one, I setup for RTTY and started the contest. Nobody could hear me with one radio (IC-7600) using an all-band dipole/doublet that... 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 →

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 →

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 →

R.I.P DX Doubler (Updated 8 Aug 2018)

I recently heard that the DX Doubler (DXD) SO2R Controller by TopTen Devices, has been discontinued. Looking at their Web Site, it has completely vanished, along with the Radio-specific cables, User Manuals, etc. This controller was a great addition to... 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 →

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