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

WP4JCO

Cancelled

Martinez-Espinal, Ramon E

Location: Bayamon, PR
Class: Amateur Extra
Granted: 2000-09-08
Expires: 2010-06-26
FRN: 0003809571

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Vanity availability

Available

Available now

WP4JCO cleared its 2-year hold on 2005-10-14. Eligible for vanity application.

Last held by Martinez-Espinal, Ramon 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 →

Prior holders later became

WP3Dactive· E
Martinez-Espinal, Ramon EFLgranted 2023-09-07

License history

0 events

No recorded events.

More vanity slots coming available

From Puerto Rico

All →

K5DTC 2026-09-14
WP4LKC 2026-09-14
KP4ECD 2026-09-16
WP3TU 2026-09-16
WP3TX 2026-09-16

Starting with WP4

All →

WP4LKC PR · 2026-09-14
WP4MRN UT · 2026-09-17
WP4TKL PR · 2026-09-17
WP4KNF PR · 2026-09-18
WP4JMU PR · 2026-09-21

Full history → Vanity availability → Callsign genealogy →