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

WP4MA

Expired

OSTOLAZA, ANTONIO

Location: SAN SEBASTIAN, PR
Class: Technician Plus
Granted: 1987-09-29
Expires: 1997-09-29

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Vanity availability

Available

Available now

WP4MA cleared its 2-year hold on 2022-12-29. Eligible for vanity application.

Last held by ARCE GONZALEZ, MARIANO (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

KP4MAGcancelled· G
ARCE GONZALEZ, MARIANOPRgranted 2015-10-23cancelled 2019-10-08
WP4PMUcancelled· G
ARCE GONZALEZ, MARIANOPRgranted 2015-09-24cancelled 2015-10-23

Prior holders later became

KP4MGactive· E
ARCE GONZALEZ, MARIANOPRgranted 2020-12-29

License history

0 events

No recorded events.

More vanity slots coming available

From Puerto Rico

All →

WP4TLD 2026-09-10
K5DTC 2026-09-14
WP4LKC 2026-09-14
KP4ECD 2026-09-16
WP3TU 2026-09-16

Starting with WP4

All →

WP4TLD PR · 2026-09-10
WP4LKC PR · 2026-09-14
WP4MRN UT · 2026-09-17
WP4TKL PR · 2026-09-17
WP4KNF PR · 2026-09-18

Full history → Vanity availability → Callsign genealogy →