Confidence: Medium · Source: FCC ULS · As of 2026-09-10

WP4OK

Expired

CARRERO RODRIGUEZ, RAFAEL T

Location: MAYAGOEZ, PR
Class: Technician Plus
Granted: 1988-05-10
Expires: 1998-05-10

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Vanity availability

Available

Available now

WP4OK cleared its 2-year hold on 2023-10-05. Eligible for vanity application.

Last held by Negron-Santini, Roberto (PR).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Previously held by current licensee

KA4ROBcancelled· T
Negron-Santini, RobertoPRgranted 2019-06-25cancelled 2020-09-01
KP4BOBactive· T
Negron-Santini, RobertoPRgranted 2021-10-05

Prior holders later became

KP4BOBactive· T
Negron-Santini, RobertoPRgranted 2021-10-05

License history

0 events

No recorded events.

More vanity slots coming available

From Puerto Rico

All →

K5DTC 2026-09-14
WP4LKC 2026-09-14
KP4ECD 2026-09-16
WP3TU 2026-09-16
WP3TX 2026-09-16

Starting with WP4

All →

WP4LKC PR · 2026-09-14
WP4MRN UT · 2026-09-17
WP4TKL PR · 2026-09-17
WP4KNF PR · 2026-09-18
WP4JMU PR · 2026-09-21

Full history → Vanity availability → Callsign genealogy →