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Took some packet system redoing and work, but I am happy to announce that #hamstr now works great on 1200 baud packets FM using 2 cheap handheld radios and small USB audio interfaces!

Range is very limited on handhelds, maybe 5-8 miles, but great proof of concept. Fantastic for off-grid fast deployment no grid client needs.

HF 300-600 baud packets radio and VHF/UHF 1200 Baud working.

Will do a bit more testing and tweaking then merge the changes.

Using 2 50watt mobile ham radios and small 2m/70cm antennas and you should be able to use hamster at ranges of 15-30 miles with line of sight.

A great alternative to the current HF only system!

#hamradio

#ameteurradio

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Discussion

Bill Cypher 10mo ago

What are transmit times this way? Could FM repeaters be used or will you hit the TOT?

Liberty Farmer 10mo ago

Note send time is down to about 30 seconds, requesting new about the same. Still some delays and tweaking to do. may be able to get another second or two out.

In theory you could open a repeater first, then use it fine.

However, I don't have any repeaters near me that allow data, other than winlink gateways.

kingCoin 10mo ago

Awesome proof of concept

Liberty Farmer 10mo ago

Thanks!