WB4UPM
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMusick, Lowell A
License ClassTechnician
Min. Class RequiredTechnician
LocationVistorville, CA
Grant DateSep 27, 2025
Expiration DateSep 27, 2035
WB4UPM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Musick, Lowell A in Vistorville, CA. 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 Buchan II, Wayne W on Sep 9, 2025. WB4UPM has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -... ....- ..- .--. --
CW Weight: 39 units(Moderate)
Voice Phonetics
Whiskey Bravo Four Uniform Papa Mike
Readability: 7.5/10(High readability)
License History
- License IssuedSep 27, 2025
- Vanity Callsign GrantedSep 27, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Buchan II, Wayne WFiled Sep 9, 2025Not awardedFCC ↗