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

NP4AW

Expired

SANTIAGO MATOS, RICARDO

Location: RIO PIEDRAS, PR
Class: Advanced
Granted: 1990-01-23
Expires: 2000-01-23

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Vanity availability

Available

Available now

NP4AW cleared its 2-year hold on 2025-06-21. Eligible for vanity application.

Last held by PADILLA, CARLOS (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

KP4CPCcancelled· E
PADILLA, CARLOSPRgranted 2010-04-29cancelled 2017-04-07
NP3OFcancelled· G
PADILLA CORTES, CARLOSPRgranted 1998-03-12cancelled 2000-07-24

Prior holders later became

NP4Lactive· E
PADILLA, CARLOSPRgranted 2023-06-22

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 NP4

All →

NP4YZ PA · 2027-06-18
NP4ST PR · 2027-07-26
NP4AO MA · 2027-08-12
NP4HC PR · 2028-02-07
NP4ZJ PR · 2028-03-04

Full history → Vanity availability → Callsign genealogy →