EAR-146 1927 Spain
This is a provisional callsign
in Spain pre 1934 licensing.
The Spanish administration issues EAR callsigns from EAR1 to
EAR336, after that, all the legal EAR were changed to EA as we
know today, from district 0 to 9.
Hams initially used EAR plus letters (normally identifying name
or city) in pre-licensing days.
QSL Courtesy of EA1CIU
Info courtesy of EA5BM