K7OSF
Available1x3District 7
Competitive callsign — 2 applications filed with the FCC.
License HolderSIDAWAY, OLLIE W
License ClassGeneral
Min. Class RequiredGeneral
LocationPHOENIX, AZ
Grant DateSep 6, 1988
Expiration DateSep 6, 1998
Cancellation DateSep 7, 2000
Available for ApplicationsSep 7, 2000
K7OSF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SIDAWAY, OLLIE W in PHOENIX, AZ. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Danard, Steven C on Apr 7, 2026. K7OSF has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- --... --- ... ..-.
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Seven Oscar Sierra Foxtrot
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredSep 7, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.