AC4OU
Active2x2District 4
No competing applications on record.
License HolderBRINKLEY, MARTIN B R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationKingwood, TX
Grant DateFeb 9, 2022
Expiration DateMar 31, 2032
AC4OU is a 2x2 format amateur radio callsign. It is currently registered to BRINKLEY, MARTIN B R in Kingwood, TX. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
.- -.-. ....- --- ..-
CW Weight: 33 units(Moderate)
Voice Phonetics
Alpha Charlie Four Oscar Uniform
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedApr 10, 2026
- License RenewedFeb 9, 2022
- Administrative Update AppliedOct 6, 2020
- Administrative Update AppliedJul 4, 2017
- License RenewedJan 10, 2012
- Administrative Update AppliedOct 1, 2005
- Administrative Update AppliedMay 22, 2004
- Authorization PrintedApr 18, 2002
- Internal Correction AppliedApr 17, 2002
- Internal Duplicate RequestedApr 17, 2002
- License RenewedMar 14, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.