I have assembled a large collection of U.S. Radio Amateur Callbooks,
callbook CDs, and citizen's radio callbooks as they were called in the
1920s, and am conducting historical amateur radio callsign research
for amateurs (and others) who contact me and request it. If you would
like to have an amateur radio callsign researched, or an individual
U.S. amateur radio operator whose callsign is unknown, contact me.
73, Bill, K5WG