The Royal Observatory transmitted its time signals over many
stations, via coastal station Hongkong Radio,
via Hongkong Volmet, and via the NDB 'HKG' on 338 kHz
no recording available
a QSL from the collection
of Hans Friedrich Dumrese (1978)
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Callsigns:
HKG
VPS
Frequencies Voice:
2980
5519
8903
13344
Frequencies Morse Telegraphy:
338
500
3842
8539
13020
17096
22536