https://www.sigidwiki.com/wiki/WSPR

Instructions

1. Turn on radio
2. Plug audio (in/out) from radio into computer
3. Run WSJT-X
4. Set mode to WSPR
5. Set band on WSJT-X and then adjust the radio to the specified frequency.
6. Click “upload spots”
7. Select correct audio input and output devices under settings/preferences
8. In OS, adjust mic gain until input signal is in the green (presumably, unsaturated).
9. Watch for several cycles to insure that you are receiving signals. If not, check cables and also the selected audio input devices.
10. When ready, turn on enable transmit.
11. Use the WSPR map to see where your signals are coming from and going to.
12. Alternative map http://wspr.aprsinfo.com/

WSJT-X https://www.sigidwiki.com/wiki/FT8

WSJT-X

https://www.sigidwiki.com/wiki/Phase_Shift_Keying_(PSK)

FLDIGI

https://pskreporter.info/pskmap.html

bands - https://en.wikipedia.org/wiki/PSK31#Common_frequencies

FLDIGI

https://www.sigidwiki.com/wiki/Radio_Teletype_(RTTY)