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KA5STN

Active2x3District 5

Competitive callsign — 1 application filed with the FCC.

License HolderCALLAHAN, STANLEY E

License ClassTechnician

Min. Class RequiredTechnician

LocationSAND SPRINGS, OK

Grant DateFeb 7, 2026

Expiration DateApr 23, 2036

KA5STN is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by CALLAHAN, STANLEY E in SAND SPRINGS, OK. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by CALLAHAN, STANLEY E on Apr 5, 2016. KA5STN has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- .- ..... ... - -.

CW Weight: 26 units(Light (fast to send))

Voice Phonetics

Kilo Alpha Five Sierra Tango November

Readability: 6.5/10(Good readability)

License History

License RenewedFeb 7, 2026
License IssuedApr 23, 2016
Vanity Callsign GrantedApr 23, 2016

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

CALLAHAN, STANLEY EFiled Apr 5, 2016
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

KA5STN FCC Vanity Status: 1 Competing Application & History