WP4UDM
Active2x3District 4
No competing applications on record.
License HolderCOLON-CRUZ, ALBERTO L
License ClassTechnician
Min. Class RequiredTechnician
LocationSAN JUAN, PR
Grant DateSep 23, 2026
Expiration DateSep 23, 2036
WP4UDM is a 2x3 format amateur radio callsign. It is currently registered to COLON-CRUZ, ALBERTO L in SAN JUAN, PR. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
.-- .--. ....- ..- -.. --
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey Papa Four Uniform Delta Mike
Readability: 7.5/10(High readability)
License History
- System-Generated GrantSep 23, 2026
- License IssuedSep 23, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.