The CAT is back

The CAT is back

Around a year ago, my chinese CAT cable stopped working. I took my oscilloscope out of the box and tried to find where the problem is. I came to conclusion that the USB to serial chip…
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Controlling PSU fan

Controlling PSU fan

After my PSU died and released its magic smoke, I got the XP Power JPS250PS12 which can produce 250W (21A @ 12V), and cranked the voltage up to 13.8V using the gray pot. Even on 12V the…
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Callsigns instead of node numbers on Allstar

Callsigns instead of node numbers on Allstar

  If you have an Allstar node you probably heard the node numbers when you connect or disconnect from nodes. There’s simple script (by WA3DSP) that can convert the node number to callsign.…
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Showing Allstar node on the APRS map

Showing Allstar node on the APRS map

Hi everyone, I was very busy in the last year so I couldn’t find time for Ham radio. I hope to get back this year with more projects. I recently updated my node…
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