[SFDXA] How to Find Old Amateur Radio Call Signs

Bill bmarx at bellsouth.net
Tue Mar 17 10:49:51 EDT 2026


  How to Find Old Amateur Radio Call Signs

Many times, persons doing research about their ancestors know that a 
relative was a ham radio operator, and they are interested in learning 
the call sign held by that person. Depending on the year when the person 
was licensed, this can sometimes be a very difficult process. However, 
in some cases, it is possible to find this information online, and this 
page gives you some pointers. In order to do the search, it is important 
to understand the system used to assign call signs.

https://w0is.com/oldcallsigns/oldcalls.html
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