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

KP4KZ

Expired

SERRANO COLON, OSVALDO

Location: SAN SEBASTIAN, PR
Class: Advanced
Granted: 1996-06-05
Expires: 2006-06-05

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Vanity availability

Available

Available now

KP4KZ cleared its 2-year hold on 2026-07-06. Eligible for vanity application.

Last held by Rodriguez Salcedo, David E (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

KP4DERcancelled· E
RODRIGUEZ SALCEDO, DAVID EPRgranted 2018-08-31cancelled 2022-06-10
NP4DRcancelled· G
RODRIGUEZ SALCEDO, DAVID EPRgranted 2015-12-08cancelled 2018-08-31
NP3MOcancelled· G
RODRIGUEZ SALCEDO, DAVID EPRgranted 2007-01-25cancelled 2015-12-08

Prior holders later became

KP4Zactive· E
Rodriguez Salcedo, David EPRgranted 2024-07-06

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 KP4

All →

KP4ECD PR · 2026-09-16
KP4ED PR · 2026-10-05
KP4CH IN · 2026-10-11
KP4DEU PR · 2026-10-12
KP4GN PR · 2026-11-02

Full history → Vanity availability → Callsign genealogy →