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K4OBH

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCarlisle, Barry J

License ClassGeneral

Min. Class RequiredGeneral

LocationAlexandria, VA

Grant DateApr 12, 2022

Expiration DateMay 22, 2032

K4OBH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Carlisle, Barry J in Alexandria, VA. 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 Warlitner, Todd J on May 3, 2012. K4OBH has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Kilo Four Oscar Bravo Hotel

Readability: 8/10(High readability)

License History

License RenewedApr 12, 2022
License IssuedMay 22, 2012
Vanity Callsign GrantedMay 22, 2012

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Warlitner, Todd JFiled May 3, 2012
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

K4OBH FCC Vanity Status: 1 Competing Application & History