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

KP4YA

Cancelled

OSORIO FEBRES, CARLOS M

Location: CAROLINA, PR
Class: Amateur Extra
Granted: 1994-12-20
Expires: 2003-02-16
Previous call: WP4LUH
FRN: 0001833623

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Vanity availability

Available

Available now

KP4YA cleared its 2-year hold on 2002-07-07. Eligible for vanity application.

Last held by OSORIO FEBRES, CARLOS M (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

WP4LUH
no FCC ULS record on file

Prior holders later became

WP4Nactive· E
OSORIO, CARLOS MPRgranted 2020-05-21

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 →