W4JPB
Available1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderWAGENHOFFER, KARL A
License ClassTechnician
Min. Class RequiredGeneral
LocationROCKLIN, CA
Grant DateMar 28, 2014
Expiration DateMar 28, 2024
Cancellation DateMar 31, 2026
Available for ApplicationsMar 29, 2026
W4JPB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WAGENHOFFER, KARL A in ROCKLIN, CA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Palmer, Richard on Mar 30, 2026. W4JPB has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .--- .--. -...
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey Four Juliet Papa Bravo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 31, 2026
- Administrative Update AppliedApr 18, 2014
- License IssuedMar 28, 2014
- Vanity Callsign GrantedMar 28, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.