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

KP4OSP

Cancelled

Soler, Osvaldo L

Location: San Juan, PR
Class: Amateur Extra
Granted: 2014-08-01
Expires: 2024-08-01
Previous call: WP4PBR
FRN: 0023555477

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Available

Available now

KP4OSP cleared its 2-year hold on 2023-08-10. Eligible for vanity application.

Last held by Soler, Osvaldo L (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

WP4PBRcancelled· G
Soler-Pastrana, Osvaldo LPRgranted 2014-06-03cancelled 2014-08-01

Prior holders later became

KP3Nactive· E
Soler, Osvaldo LPRgranted 2021-08-10

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 →