Popular Shortwave Radio Interval Signals (Golden Memories)
The Glory Days of Shortwave Radio
Various interval signals broadcasted on shortwave
RADIO INTERVAL SIGNALS - "Radio Moskau" ("Радио Москва") (old)
Radio interval signals - European - 1970's/80's
Voice of America (VoA) Interval Signal in HiFi Stereo
Радио Москва - Radio Moscow (Interval Signal)
Radio Peking (Beijing) Interval Signal 1980
RADIO INTERVAL SIGNALS - "Radio Tirana" (old)
RADIO INTERVAL SIGNALS - "Radio Majak" (Russia)
Radio RSA Interval Signal and Station ID - Studio Recording
Spot The Shortwave Interval Signal
Radio RSA Shortwave Interval Signal 1977
Good old shortwaves, radio interval signal
Interval signal station - special with a lot of interval signals
RADIO INTERVAL SIGNALS - "Radio Sweden"
Interval Signal of Radio Habana Cuba
Azerbaijan vintage radio interval signals (simple transcribe)
Interval signals Online website is a great resource for Shortwave stations current and past
RADIO INTERVAL SIGNALS - "Radio Bucharest"