WP4MMM
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderVAZQUEZ SANTOS, ROBERTO
License ClassTechnician
Min. Class RequiredTechnician
LocationSAN GERMAN, PR
Grant DateSep 30, 2003
Expiration DateDec 28, 2013
Cancellation DateDec 29, 2015
Available for ApplicationsDec 29, 2015
WP4MMM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by VAZQUEZ SANTOS, ROBERTO in SAN GERMAN, PR. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Jolly, Mike on Jun 18, 2025. WP4MMM has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .--. ....- -- -- --
CW Weight: 40 units(Moderate)
Voice Phonetics
Whiskey Papa 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 ExpiredDec 29, 2015
- Tax ID (TIN) AddedSep 30, 2003
- License RenewedSep 30, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.