Reversing the KL audio delay bypass mod
Some of the KLs I've got have had the audio delay circuit in the receiver bypassed. This audio delay is what makes the KL have the nice silent mute action.…
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April 18, 2023
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…
April 18, 2023
Using the Sanwu SW-HF07 USB sound adaptor for AllstarLink/VKLink nodes
A short pictorial demonstrating modifications to the Sanwu SW-HF07 USB sound adapter for use with VKLink nodes. A search on eBay finds what appears to be a suitable CM108 based USB…
July 3, 2016
VK7RVP Gets Its Six Metre Repeater
On Tuesday 22/12/15 4 persons made the trip to St Valentines Peak. Those persons being Graeme and John Rand, the helicopter pilot David, and myself. The purpose of the trip…
December 24, 2015
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…
December 21, 2015
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…
November 17, 2015
NHRC-Squelch into KL RX Module
I'm a great fan of the NHRC-Squelch board, and the additional squelch performance it provides over the standard KL mute. This is how I install them, they fit nicely into the PLL…
September 10, 2015
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…
September 9, 2015
Unilab KL Low Idle Power Mods
In this post we describe how to modify the Unilab KL series of repeaters for low idle current for use at solar powered sites, where efficiency is important.. Essentially we…
September 9, 2015