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

WP4TO

Cancelled

Perez-Marcano, James

Location: Trujillo Alto, PR
Class: Amateur Extra
Granted: 2018-06-01
Expires: 2028-06-01
Previous call: WP4QBH
FRN: 0027403419

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Vanity availability

Available

Available now

WP4TO cleared its 2-year hold on 2021-09-03. Eligible for vanity application.

Last held by Perez-Marcano, James (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

WP4QBHcancelled· G
Perez-Marcano, JamesPRgranted 2018-05-08cancelled 2018-06-01

Prior holders later became

KP4WAactive· E
Perez-Marcano, JamesPRgranted 2019-09-04

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 →