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Looking forward that someone will port FT8 to this devices. At the moment you need a phone or a PC to tx/rx in FT8.
by lormayna 3y ago
Looking forward that someone will port FT8 to this devices.
At the moment you need a phone or a PC to tx/rx in FT8.
- sitzkrieg 3y agothis is what im looking forward to, too. ive even started making some hardware around digital modes so this might make a cheaper frontend + filter investment lol
- gh02t 3y agoDoes it have the hardware? Per the article the CPU and available flash memory are super limited.
- ianburrell 3y agoFT8 would be pointless. FT8 uses SSB which this can't do. Doing FT8 on FM is a waste of bandwidth and low-signal. FT8 is usually done on HF since that has long-distance propagation and it is important to pick out tiny signals. People do FT8 on VHF but they use radios with SSB. The radio probably doesn't have the processing power for FT8. A Raspberry Pi 3 was struggling for me. Also, a big part of FT8 is choosing what to send and who to respond to, need a good display for that.
- crotho 3y ago[dead]
- lormayna 3y agoIt seems that there is a firmware doing SSB (I don't understand if it's real SSB or something emulated). Anyway, the radio chip of UV-K5 is able to manage distinct I-Q signal, so it just a matter of implementing SSB via software.
- ianburrell 3y agoSSB requires more sophisticated frontend than FM because the channel is smaller and reuqires less noise. There are HF radios that use a simple signal generator, but then need a complicated frontend to be able to received anything. The cheap SDR HF radios are $500 when SDR VHF handhelds are cheap like this one.