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KD3FLY

Active2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderCARLSEN, WILLIAM S

License ClassGeneral

Min. Class RequiredTechnician

LocationNorthampton, PA

Grant DateMar 29, 2022

Expiration DateMay 12, 2032

KD3FLY is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by CARLSEN, WILLIAM S in Northampton, PA. 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 Carlsen, William S on Apr 24, 2012. KD3FLY has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 43 units(Heavy (slower to send))

Voice Phonetics

Kilo Delta Three Foxtrot Lima Yankee

Readability: 7.5/10(High readability)

License History

License RenewedMar 29, 2022
Administrative Update AppliedOct 17, 2020
Administrative Update AppliedOct 17, 2017
License ModifiedSep 18, 2012
License IssuedMay 12, 2012
Vanity Callsign GrantedMay 12, 2012

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Carlsen, William SFiled Apr 24, 2012
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

KD3FLY FCC Vanity Status: 1 Competing Application & History