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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

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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.

Danard, Steven CFiled Apr 7, 2026
Not awardedFCC ↗
Edwards, David EFiled Jun 2, 2025
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 9, 2026

K7OSF FCC Vanity Status: 2 Competing Applications & History