what frequencies are these heard on? AM? anything else?
Both AM and CW. Thourghout the shortwave spectrum. It's been a mystery for nearly three decades.
- [AMRadio] Numbers Stations Revisited Donald Chester
- Re: [AMRadio] Numbers Stations Revisited Jim Isbell
- Re: [AMRadio] Numbers Stations Revisited Donald Chester
- [AMRadio] SPY Numbers Stations Brian Carling
- Re: [AMRadio] Numbers Stations Revisited Brian Carling
