This RX is called the K3. This is not to be confused with the Elecraft K3. Certainly I was confused!
It is available from AliExpress at about £60. There seem to be a lot of these low cost Chinese receivers about.
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
It is available from AliExpress at about £60. There seem to be a lot of these low cost Chinese receivers about.
Solar flux is 148 and the SSN 88. A=22 and K=2.