WP4OTR
Available2x3District 4
No competing applications on record.
License HolderHeredia Ortiz, Luis M
License ClassTechnician
Min. Class RequiredTechnician
LocationSan Juan, PR
Grant DateAug 6, 2013
Expiration DateAug 6, 2023
Cancellation DateAug 7, 2025
Available for ApplicationsAug 7, 2025
WP4OTR is a 2x3 format amateur radio callsign. It is currently registered to Heredia Ortiz, Luis M 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: 39 units(Moderate)
Voice Phonetics
Whiskey Papa Four Oscar Tango Romeo
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredAug 7, 2025
- System-Generated GrantAug 6, 2013
- License IssuedAug 6, 2013
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.