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
10M – 29MHz noise mute
Since installing the 10m repeater VK7RHF, the receiver has at times suffered during sporadic E openings noise, and what seems like AM modulated signals. The assumption is that this is…
December 25, 2016
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…
July 19, 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
VK7RTC Coverage plots
Further to my blog post yesterday, I showed the example of the Southern Outlet as a fringe area of coverage from VK7RTC. On Mt.Wellington there are two "sites". We can call…
October 27, 2015
VK7RTC gets a power upgrade, hopefully a coverage one soon
On Friday 23rd, I travelled up to Mt.Wellington to do a power upgrade in the form of a battery install. A switch mode 40A power supply had been used since…
October 26, 2015
VK7RHF 10M repeater project
For a couple of years now I have been contemplating putting in a 10M repeater in Hobart for use when the band is open and to encourage more activity on…
October 20, 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
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