Listening to DMR on the Rasperry Pi3 with op25 and a SDR

Things about DMR
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kb9mwr
Posts: 84
Joined: Tue Dec 03, 2013 10:59 am

Listening to DMR on the Rasperry Pi3 with op25 and a SDR

Post by kb9mwr » Sat Jan 20, 2018 11:23 pm

Figured I'd post this here as well in case it interests others:

http://kb9mwr.blogspot.com/2018/01/list ... -with.html

Note, op25 is capable of transmitting as well. From what I read (haven't tried it yet) you connect the PC soundcard connected to the direct modulator input (i.e., 9,600 data port) of a regular radio. The author tested with a Icom IC-820H. Not real sure how that works for DMR with the quick turn around times. I'd assume it uses both time slots. I think I also saw some hackrf support in the /tx folder. Flee power though, unless you build up an amp.

If anyone farts around with transmit, I'd be curious to hear about it.

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