[CW] Interesting changes in call sign prefix changes site

[Dr Jim Kennedy]

https://clublog.freshdesk.com/support/solutions/articles/53675-prefix-changes-over-the-years

73, Doc- K2PHD
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/cw/attachments/20210530/fdef57a0/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image.jpg
Type: image/jpeg
Size: 64520 bytes
Desc: not available
URL: <http://mailman.qth.net/pipermail/cw/attachments/20210530/fdef57a0/attachment-0001.jpg>