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Repeaters / Unilab / VK7DB Archive

2m KL150 PA repair

The KL150 I took from my stock for the new VK7RVP 2m repeater seemed to be in good condition, until I tested it. As usual, the low power mods were performed, channel…

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April 18, 2023
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
NHRC / VK7DB Archive

7DB mod for CTCSS encode following mute on NHRC-3.1

Today we demonstrate how to mod a C1000 CTCSS encoder to follow the receiver mute on a NHRC-3.1 controlled repeater with noise and CTCSS mute options. Break the track between pins…

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November 17, 2015
Repeaters / VK7DB Archive

St Valentines Peak – VK7RVP

My favourite site. Soon to get a 6 metre repeater.  I envisage a flowerpot type antenna will get mounted above the UHF 4 stack array on the stand off.  Repeater will be…

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September 9, 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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