I was listening on Youtube to an ancient recording and could clearly hear NAWS DE CFH.
I seem to recall that NAWS was the callsign for North Atlantic Weather Service and CFH was Halifax airtraffic control.
How did that get there ? Breakthrough into the sound system ?
Reminds me of GBR on 16Khz on Tubular Bells getting into the recording studio and only detected many years later.
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