Author Archives: doug

I recently acquired a piece of test equipment that was lacking on my test bench. As I work on a lot of old radios and as old radios have capacitors that are either bad or suspected to be so a … Continue reading →

As $DAYJOB has me working in a P25 radio system I’ve been meaning for some time to get the OP25 software going and build a P25 scanner. And now that the Raspberry Pi has sufficient horsepower to handle this task … Continue reading →

This post is the first part of who knows how many detailing the restoration to service of what is a very special radio to me, an RCA AR-88. The saga began in February of this year. The goal is for … Continue reading →

This next item is not just a piece of radio history, it is a piece of local radio history. Local being Edmonton, Alberta, Canada. It’s a crystal oven for a broadcast transmitter. I don’t know what years it was in … Continue reading →

Last year I acquired a very nice Heathkit SB-620. It was complete, clean and very good cosmetically. I thought that it would make a fun addition to use with my vintage receivers so I undertook the project of getting it … Continue reading →

I recently attended a sale of equipment from the estate of a local ham, Sig Preuss, VE6SP. At the sale I picked up a Hallicrafters SC-38C that was in decent condition cosmetically and that was complete. No, that is not … Continue reading →

When I first built my AllStarLink node I had the choice of using the original AllStarLink software or the newer and more advanced HamVOIP software. At the time I chose to go with HamVOIP. This was not an easy choice … Continue reading →

I had constructed my MMDVM DMR hot-spot using a Raspberry Pi 3 because the received wisdon was that putting the MMDVM hat on a Raspberry Pi 4 would cause it to overheat. My problem was that I found the web … Continue reading →

I’ve been fooling around with DMR for a few years now and figured it was time to build a DMR hot-spot. I had a few DMR radios on hand already. Some Motorola XPR handheld radios in both VHF and UHF … Continue reading →

A couple of my friends have been experimenting with AllStarLink and it looked interesting to me so I thought I would join in the fun. I’ve never had a Raspberry Pi and this gave me a reason to get one. … Continue reading →