BBC Nationwide (1978) Radio Frequencies Change
BBC Radio Frequency Changes Announcement From 1978
無線周波数 #4 のさまざまな種類のノイズ
周波数基準として 198 khz の BBC Radio 4 を使用します。
The Legendary End of Programme of BBC Radio 4
198 kHz BBC Radio 4 / Sep. 17,2014
"Music Is Frequency Programming" 440HZ
ワイヤレスの原理: RF または無線周波数、ヘルツを簡単に説明|無料のCCNA 200-301
The Dark Woodlot Episode 4 - Gord's Forest of Demons
Does BBC Radio 4 Control Nuclear Submarines?
BBC Radio 4 new schedule trailer 1991
Zooming in to the phase modulation on BBC Radio 4 on 198kHz LW
BBC Radio 4 198khz LW nightly closedown
Home made radio 4
BBC Radio 4 - 198 kHz
ドイツで受信された 198 kHz 長波の BBC Radio 4
BBC Droitwich transmitter is down, revealing the Radio 4 signal on longwave from Burghead/Westerglen
BBC Radio 4
Fallout 4: Playthrough Part 114 - Far Harbor DLC[Shipbreaker's Radio Frequency]