WB4MMM
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSEPP, FRANK J
License ClassAdvanced
Min. Class RequiredTechnician
LocationPORT RICHEY, FL
Grant DateApr 27, 1995
Expiration DateApr 27, 2005
Cancellation DateApr 28, 2007
Available for ApplicationsApr 28, 2007
WB4MMM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by SEPP, FRANK J in PORT RICHEY, FL. 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 Jolly, Mike on Jun 18, 2025. WB4MMM has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
.-- -... ....- -- -- --
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey Bravo Four Mike Mike Mike
Readability: 9/10(Excellent readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredApr 28, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Jolly, MikeFiled Jun 18, 2025Not awardedFCC ↗