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KC4RLO

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderGuthrie, David C

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationWinder, GA

Grant DateApr 3, 2026

Expiration DateApr 3, 2036

KC4RLO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Guthrie, David C in Winder, GA. 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 Guthrie, David C on Mar 16, 2026. KC4RLO has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie Four Romeo Lima Oscar

Readability: 7/10(Good readability)

License History

License IssuedApr 3, 2026
Vanity Callsign GrantedApr 3, 2026
License ExpiredJun 13, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Guthrie, David CFiled Mar 16, 2026
Not awardedFCC ↗

Search external databases

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← KC4RLN KC4RLR →

FCC data as of Sep 15, 2026

KC4RLO FCC Vanity Status: 1 Competing Application & History