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WP4SUP

Available2x3District 4

No competing applications on record.

License HolderMENDEZ MARRERO, SONIA

License ClassGeneral

Min. Class RequiredTechnician

LocationCAROLINA, PR

Grant DateMay 9, 2023

Expiration DateMay 9, 2033

Cancellation DateSep 9, 2023

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WP4SUP

Available2x3District 4

No competing applications on record.

License HolderMENDEZ MARRERO, SONIA

License ClassGeneral

Min. Class RequiredTechnician

LocationCAROLINA, PR

Grant DateMay 9, 2023

Expiration DateMay 9, 2033

Cancellation DateSep 9, 2023

Available for ApplicationsSep 10, 2025

WP4SUP is a 2x3 format amateur radio callsign. It is currently registered to MENDEZ MARRERO, SONIA in CAROLINA, 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 Sierra Uniform Papa

Readability: 6.5/10(Good readability)

This callsign is available now

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

License History

License CanceledSep 9, 2023
System-Generated GrantMay 9, 2023
License IssuedMay 9, 2023

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.

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

Is WP4SUP Available? FCC Vanity Status & Watchlist