https://mt-shortwave.blogspot.com/2017/10/evolution-of-radio-callsigns.html
Shortwave Central: Evolution of Radio Callsigns
During the 1800s, the wire network of telegraph stations continued to expand in many different countries around the world, and usually each ...
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https://hamcallsigns.com/
Ham Callsigns USA
Ham radio call sign search. Quickly and easily lookup any amateur callsign within the United States.
hamcallsignsusa
https://mt-shortwave.blogspot.com/2018/01/the-usage-of-radio-callsigns.html
Shortwave Central: The Usage of Radio Callsigns
The origin of callsigns as an identification for radio stations goes right back into the era when distant communication was achieved via ...
shortwavecentralusageradiocallsigns
https://mt-shortwave.blogspot.com/2016/10/shortwave-kdka-and-its-many-callsigns.html
Shortwave Central: Shortwave KDKA and its Many Callsigns and Transmitters
On this occasion here in Wavescan, we pick up this the next episode in the very interesting ongoing story of the famous mediumwave and sho...
shortwavecentralkdkamanycallsigns
https://clublog.freshdesk.com/support/solutions/articles/3000094058-british-antarctic-survey-base-callsigns
British Antarctic Survey base callsigns : support@clublog.org
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https://cqplanespotting.blogspot.com/2012/10/virgin-australia-group-of-airlines.html
Central Queensland Plane Spotting: Virgin (Australia) Group of Airlines Radio Callsigns to Change
In an interesting move, effective Monday 29 October , the old Virgin Blue / Virgin Australia / Pacific Blue / V Australia radio callsign...