MFJ1278 – TNC Commander
In the course of working on the TreeRatTNC, I needed a “Talk-to unit” – a second TNC that I could use to test the modulation and demodulation, as well as…
QSL cards… full color, a dime a piece
I’ll start by saying I hate powerpoint. I’ve seen it used as an engineering design tool when visio isn’t available – and it makes my skin crawl. That said… I’m…
APRS… a New Take
After the challenges I had with finding a bluetooth solution for APRS, I more or less gave up on using existing TNC solutions. During my last installment, I started looking…
APRS Vol 5. The Saga Continues
Maiden voyage was a flop. No tracks appeared at all – I’m not 100% sure if it transmitted, but I’ve had a feeling the audio was weak. Add to that…
Revisiting APRS… vol 4.
I’m far from done. Let’s start there. But… I have made a LOT of progress since I started smoking the first TNC board. Smoked a turkey in that timeframe, too…
APRS – Update 2, or is it Vol 3?
Normally, I’d just edit the previous post when it’s the same day,. but this has a lot to unpack. I pinged a few fellow nerds who I know are prone…
APRS – Update 1
I’ve been doing a LOT of troubleshooting and trying to figure this thing out. Ordered a new breadboard (old one had some shorted lines), and a bunch of wires. Ordered…
APRS… haven’t tackled this in a while
My anytone 578 is acting up. Seems like a bad oscillator. I could do one of two things… I could take it out and try and track down the issue,…
Weather Alert Page
Just another mini-project, and more Chat-GPT generated code based on my prompts. This started otu in the middle of a (slow) weather net, when i was looking for a source…
The next headset interface
Original Prototype The original prototype worked fine. clear loud audio…. and one size fits… one… cabling. I would have to reconfigure wiring for any radio – and currently that would…