AC4RH
Available2x2District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderBAUER, CHRISTOPHER L
License ClassNovice
Min. Class RequiredGeneral
LocationHUMBOLDT, KS
Grant DateJan 5, 2017
Expiration DateMar 23, 2027
Cancellation DateJun 22, 2023
Available for ApplicationsJun 23, 2025
AC4RH is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by BAUER, CHRISTOPHER L in HUMBOLDT, KS. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Harvey, Robert L on Aug 25, 2025. AC4RH has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.-. ....- .-. ....
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Alpha Charlie Four Romeo Hotel
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledJun 22, 2023
- License RenewedJan 5, 2017
- Administrative Update AppliedJul 2, 2015
- Administrative Update AppliedAug 14, 2012
- Administrative Update AppliedAug 24, 2010
- Administrative Update AppliedAug 17, 2007
- Administrative Update AppliedAug 17, 2007
- License IssuedMar 23, 2007
- Vanity Callsign GrantedMar 23, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.