Category Archives: Ham Radio

HX1 APRS Transmitter

Posted on 2012-02-11 by Nigel VH

I recently purchased a couple of HX1 transmitters for the 144.39 packet frequency from RadioMetrix. I’ve already set up a widget to generate the necessary tones for APRS, so it was a quick matter to connect up the transmitter and … Continue reading →

Posted in Electronics, Ham Radio | 8 Comments

High Altitude Balloons

Posted on 2012-02-03 by Nigel VH

Hey all, Just been working on assembling one of the High Altitude Balloon telemetry boards, and thought I’d snap a photo or two since I hadn’t shown it here before. Haven’t put on the transmitter, antenna connector, temperature sensors or … Continue reading →

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Handheld Rubber Duck Antennas

Posted on 2012-01-16 by Nigel VH

I recently purchased a new FT-60R dual band handheld from Yaesu, as the handheld I had already (a VX-150) was only a single band. Seeing as I do a fair amount of stuff up in the 70cm band, it would … Continue reading →

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Packet Radio

Posted on 2012-01-01 by Nigel VH

Each year I help out with UW’s rocketry and high altitude balloon classes. In the past, we’ve been using custom telemetry systems using radios in the 70cm band, transmitting RTTY telemetry down. This has been working well for us, but … Continue reading →

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Icom 706 MKII-G Rig Interface

Posted on 2011-12-02 by Nigel VH

Hey all, A short while ago, I decided to rebuild my rig interface. I had an older one that I stuck together with a bunch of random bits of stuff, and some hot glue, but it ended up working marginally, … Continue reading →

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