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KN4DH

Active2x2District 4

Competitive callsign — 4 applications filed with the FCC.

License HolderBRITTAN, COLIN A

License ClassTechnician

Min. Class RequiredGeneral

LocationTUCSON, AZ

Grant DateMay 17, 2019

Expiration DateMay 17, 2029

KN4DH is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by BRITTAN, COLIN A in TUCSON, AZ. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Heilman, Thomas E on Jan 28, 2021. KN4DH has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 27 units(Light (fast to send))

Voice Phonetics

Kilo November Four Delta Hotel

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedSep 16, 2023
License IssuedMay 17, 2019
Vanity Callsign GrantedMay 17, 2019

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Heilman, Thomas EFiled Jan 28, 2021
DismissedFCC ↗
HICKMAN, HUBERT DFiled Apr 29, 2019
Not awardedFCC ↗
HUBBS, DOUGLAS MFiled Apr 25, 2000
Not awardedFCC ↗
JOHNQUEST, HARRY MFiled Apr 25, 2000

Search external databases

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Explore nearby callsigns

← KN4DG KN4DI →

FCC data as of Sep 3, 2026

Not awarded

KN4DH FCC Vanity Status: 4 Competing Applications & History