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

WP4RUN

Cancelled

San Lorenzo Ham Radio Club

Location: San Lorenzo, PR
Granted: 2021-05-24
Expires: 2031-05-24
FRN: 0030964787

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

Vanity availability

Available

Available now

WP4RUN cleared its 2-year hold on 2023-06-15. Eligible for vanity application.

Last held by San Lorenzo Ham Radio Club (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 →

Prior holders later became

KP4SRCactive
San Lorenzo Ham Radio ClubPRgranted 2021-06-15

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 →