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AB4DC

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderBROWN, JUDD T

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationCLINTON, TN

Grant DateAug 15, 2013

Expiration DateMar 5, 2024

Cancellation DateMar 6, 2026

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AB4DC

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderBROWN, JUDD T

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationCLINTON, TN

Grant DateAug 15, 2013

Expiration DateMar 5, 2024

Cancellation DateMar 6, 2026

Available for ApplicationsMar 6, 2026

AB4DC is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by BROWN, JUDD T in CLINTON, TN. 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 Kostecka, Tony on Aug 3, 2026. AB4DC has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Alpha Bravo Four Delta Charlie

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License ExpiredMar 6, 2026
License RenewedAug 15, 2013
License RenewedOct 20, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kostecka, TonyFiled Aug 3, 2026
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

AB4DC FCC Vanity Status: 1 Competing Application & History