|
|
|
|
|
|
by biggieshellz
1183 days ago
|
|
|
Plenty of use today in amateur radio, especially amongst QRPers (low power enthusiasts, signals <= 5 watts). It's easy to build transmitters/receivers for, and it's more efficient than, say, voice modes like SSB in terms of spectrum usage and how far you can get per watt. |
|
|