SDRTrunk…
So, I sold my scanner. I needed something that could monitor P25 Phase 2, in addition to Phase I and analog signals. I could have spent $600 or more on…
TV Antenna re-work… another old post worth sharing
The experiment: Using a TV antenna directly as an amateur radio transceiver antenna. The background: Many websites and magazine articles exist wherein the author has disassembled a TV antenna and…
On Differential Signalling between subsystems….
OK – this is another issue that sparked quite a bit of discussion, and is worth putting out here for others to consider. Differential signals are a great concept –…
MMDVM on P25…
It took over a week, a complete network reconfiguration, and a lot of google searching to figure this one out. I wanted my MMDVM on P25 for a number of…
Some thoughts on codeplug design and layout
“Your codeplug will never be complete” – a quote I saw on a site about amateur radio DMR codeplug generation. I’ll argue against that thought. I wish I could get…
DMR and Hotspots…. something else to break?
Honestly, DMR is getting me excited about UHF/VHF amateur radio again. It’s not a NEW technology by any means, but the concept is really cool – I can have a…
2002 Ford Explorer Overhead Console Speaker
This is an old post, pulled from one of my older websites – at the time, i was going for a CLEAN install, and speakers were a problem for space…
headphone phase reverse
occasionally at work, I have the need to perform some weak signal work, much like trying to get that last multiplier during November sweepstakes. At my previous employer, I let…
More Icom Remote Device Updates
After much experimenting and trial and error, I got almost all of the radio functions tested and working. I did run into an interesting problem, though. If I included ALL…
Still working on the Icom Project
It has been a LONG time since I seriously did any C programming… and structures were something we only vaguely touched on in class. I’ve already used up about 60%…