MMDVM

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25 Oct 2016 17:25 #258 by AD0JA
MMDVM was created by AD0JA
This is a really awesome little device. It allows you to take two analog radios (MCS2000 for example) and make a digital (DMR, P25, DSTAR, or YSF) repeater with them. All you need is to be able to get the RX discriminator audio and TX discriminator audio out of each radio.

I know a ham who has a rev1.0 board and he said the audio levels are tricky to adjust, but once adjusted properly it works great.

Check it out: mmdvm.blogspot.com/


NOTE:
I am in no way affiliated with the MMDVM sales guys, just passing this along.

73 de AD0JA
the voice of Wright City, MO
Kenwood, Motorola, M/ACOM - Harris commercial radio enthusiast
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13 Nov 2016 20:33 #265 by VE1XT
Replied by VE1XT on topic MMDVM
It's going to be interesting to see what people build with devices like this. I'll check this out.

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13 Nov 2016 23:37 - 13 Nov 2016 23:37 #267 by OE7BSH
Replied by OE7BSH on topic MMDVM
Already some multimode repeaters on air in Europe for DMR, D-Star *and* Fusion. The MMDVMHost-Software switches Modes automatically.

73 de Bernd, OE7BSH
repeaterbook.com admin for OE/DL/HB9/IK/HA/ES/YL/C3/Z3/9A
Kitzbuehel JN67EK // Austria
Last edit: 13 Nov 2016 23:37 by OE7BSH.
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16 Nov 2016 01:44 #269 by VE1XT
Replied by VE1XT on topic MMDVM
Neat :). Does the software have the ability to transcode between two different modes so you could input one mode and get another out ? I don't know if that would be overly useful but would be neat.

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16 Nov 2016 10:44 #270 by OE7BSH
Replied by OE7BSH on topic MMDVM
MMDVM: No, only one mode in/out at one time as no ambe is implemented.

The SharkRf Openspot (www.sharkrf.com/) can transcode between Fusion and DMR and vice versa as they use the same FEC.

73 de Bernd, OE7BSH
repeaterbook.com admin for OE/DL/HB9/IK/HA/ES/YL/C3/Z3/9A
Kitzbuehel JN67EK // Austria

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17 Nov 2016 19:00 #271 by VE1XT
Replied by VE1XT on topic MMDVM
Thanks for the info. I'll have to take a look at SharkRF to see what it's all about.

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