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WP4RUJ

Available2x3District 4

No competing applications on record.

License HolderORTIZ CASTILLO, DAVID

License ClassTechnician

Min. Class RequiredTechnician

LocationSAN GERMAN, PR

Grant DateMay 21, 2021

Expiration DateMay 21, 2031

Cancellation DateSep 18, 2021

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WP4RUJ

Available2x3District 4

No competing applications on record.

License HolderORTIZ CASTILLO, DAVID

License ClassTechnician

Min. Class RequiredTechnician

LocationSAN GERMAN, PR

Grant DateMay 21, 2021

Expiration DateMay 21, 2031

Cancellation DateSep 18, 2021

Available for ApplicationsSep 19, 2023

WP4RUJ is a 2x3 format amateur radio callsign. It is currently registered to ORTIZ CASTILLO, DAVID in SAN GERMAN, 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: 42 units(Heavy (slower to send))

Voice Phonetics

Whiskey Papa Four Romeo Uniform Juliet

Readability: 6/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledSep 18, 2021
License ModifiedAug 31, 2021
System-Generated GrantMay 21, 2021
License IssuedMay 21, 2021

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.

Search external databases

QRZ ↗HamQTH ↗

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← WP4RUI WP4RUK →

FCC data as of Sep 12, 2026 — may be delayed

Is WP4RUJ Available? FCC Vanity Status & Watchlist