There are AM stations broadcasting at only two or three times that frequency that broadcast voice and music.
Perhaps they meant that it is the most practical for small receivers like watches.
BBC R4 Longwave is at 198 kHz (formerly 200 kHz). The transmitter at Droitwich has been broadcasting voice and music since 1934.
There are AM stations broadcasting at only two or three times that frequency that broadcast voice and music.
Perhaps they meant that it is the most practical for small receivers like watches.
BBC R4 Longwave is at 198 kHz (formerly 200 kHz). The transmitter at Droitwich has been broadcasting voice and music since 1934.