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Controllers / Repeaters

Converting the Hamtronics R303 to frequency agile

The Hamtronics R303 can be ordered with up to 4 frequencies programmed, which are selectable with jumpers. When I ordered my R303, I had ordered CCARC frequencies to be programmed.  Now that…

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July 19, 2016
Controllers / Repeaters / VK7DB Archive

7DB mod for 5DJ CTCSS Encode

Borrowing the idea from the NHRC-3.1 CTCSS mod I decided to do the same for the VK5DJ controller. The same idea applies, but with a slightly different interface. We take the mute…

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December 21, 2015

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Hi, I'm Hayden (VK7HH) — an amateur radio operator based in Hobart, Tasmania, Australia. I also hold a US Technician license (KD9SSB). I post regular YouTube videos on all things ham radio, so hit subscribe!
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