12v 30a Power Supply Repair
Back during the summer of 2016 KB4RMA had one of the cheap 120v-12v 30 amp power supplies go “pop” on him due to extreme heat. I finally got around to looking at it and...
Back during the summer of 2016 KB4RMA had one of the cheap 120v-12v 30 amp power supplies go “pop” on him due to extreme heat. I finally got around to looking at it and...
Back in January 2014 I built a BlueTooth controlled pan & tilt mechanism to attach to an RC Crawler. The primary use was to do some investigating in a crawl space under my father’s...
I’ve found many different articles on how to setup a VNC Server on a Raspberry PI and so far none of them achieve what I need, a VNC server on the the default :0...
One of our local repeaters, K4SCO 147.36 had a power supply failure a couple of weeks ago. I’ve just now gotten around to opening it up and didn’t have to look very hard for...
Arduino / K4NHA / Manufacturers / RaspberryPI / Repeaters / Yaesu
I am currently modifying the first of several Yaesu DR-1X repeaters to allow control via an Arcom RC210 controller. Stage one involves splicing into the data cable which connects the TX and RX radios together....
1.25m / 220MHz Repeater / K4NHA / Repeaters
Unfortunately the tower location that was set to be home for the 220MHz Repeater I’ve been building fell through. Since I don’t have a decent home for the repeater yet I’ve put the project...
2015’s Simulated Emergency Test (SET) was a great success for Jackson County ARES/RACES, it was the first time Jackson County has been involved in the annual exercise. Jackson County paired with Madison County for...
Here’s a great video showing how depth and soil type affect the resistance of a ground rod. The video is geared towards linemen however the same rules apply to grounding an Amateur Radio station....
For the past year my local organization, Jackson County ARES/RACES, has been struggling to find a home for our SKYWARN linked repeater. Earlier in 2015 the tower owners kicked us out of the shack...
K4NHA / Mobile Radio / Mobile Setup / Mounts
I’ve had a love/hate relationship with the cheaper magnet mount manufacturers like Browning and Tram since I became interested in radio back in the scanner days many years ago. My problems seem to always arise after...