W4APC
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderBIGGS, MARY A
License ClassTechnician
Min. Class RequiredGeneral
LocationFREMONT, CA
Grant DateOct 8, 2024
Expiration DateOct 8, 2034
W4APC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BIGGS, MARY A in FREMONT, CA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by cresenzi, Anthony on Jun 15, 2026. W4APC has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .- .--. -.-.
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Four Alpha Papa Charlie
Readability: 8/10(High readability)
License History
- License RenewedOct 8, 2024
- Administrative Update AppliedNov 2, 2017
- License IssuedApr 22, 2014
- Vanity Callsign GrantedApr 22, 2014
- License ExpiredNov 29, 2012
- License IssuedNov 28, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.