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RT-880 Audio Sampling PoC. Precursor to APRS decoding. (Patreon)

Published:
2025-10-05 13:38:15
Imported:
2026-06
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Content

The "high pitched whine" I mentioned I just realized is just the background noise from my work room.

Comments

nicsure
>>189415572

The sample rate is 8K so the nyquist is 4K, but the noise is just coming from my environment being picked up by the transmitting radio.

Daniel

That's GREAT news! Does this mean, that in theory we could build a remote control solution which only uses the USB cable for control AND TX/RX audio streaming? That would be my dream! I am already eagerly waiting to turn my RT-880 into a remote CB station. I hope so much that you will find time to implement this after the APRS story. I guess that would be the world's best and simplest remote station for that price! So awesome!

nicsure
>>189490180

This is actually a goal I have set out already. With audio streamed both ways to a host system it becomes possible to use with an AllStarLink Node without any extra hardware, just the radio and a comms cable.