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
Should you call CQ on a Repeater?
Nothing seems more controversial than whether you should call CQ on a repeater or not. Are there any rules about doing it? Answering Ham Radio Basic questions, helping you further…
August 3, 2021
Amateur Radio Repeater Repair & Site Visit
Today I traveled to the site of an amateur radio repeater on UHF (70cm) that I maintain after a fault on the transmitter appeared and gradually got worse over the…
September 3, 2019
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
More simulcasting with the RTCM/VOTER
Further to previous posts about the KL Reference 12MHz to 10MHz and Simulcast Experiments, I had finally got around to purchasing a BG7TBL GPS receiver module due to some motivation in a…
September 15, 2016
VK7RVP gets 2m
On 6/8/16 VK7's DB, ML and HH traveled to St.Valentines Peak (VK7RVP). The purpose of the visit was to check battery voltage levels, take measurements, install a 2m repeater and…
August 7, 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
Simulcast Experiments
Further to my earlier post on the use of a 10MHz reference in the KL, I've converted two KL70 exciters to 6m and fed them the same audio with both exciters…
December 26, 2015
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
VK7RHF TX up and running
On Friday 18th of Dec, Damien 7SD and myself went to install the VK7RHF transmit site to install "one half" of the repeater. The repeater was installed in the rack,…
December 23, 2015