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

NP4DT

Cancelled

De Leon-Diaz, Nelson

Location: Las Piedras, PR
Class: Technician
Granted: 2019-03-22
Expires: 2029-03-22
Previous call: WP4QYI
FRN: 0028271849

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Vanity availability

Available

Available now

NP4DT cleared its 2-year hold on 2022-07-24. Eligible for vanity application.

Last held by De Leon-Diaz, Nelson (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

WP4QYIcancelled· T
De Leon-Diaz, NelsonPRgranted 2019-02-27cancelled 2019-03-22

Prior holders later became

N4NDLactive· T
De Leon-Diaz, NelsonPRgranted 2020-07-24

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 NP4

All →

NP4YZ PA · 2027-06-18
NP4ST PR · 2027-07-26
NP4AO MA · 2027-08-12
NP4HC PR · 2028-02-07
NP4ZJ PR · 2028-03-04

Full history → Vanity availability → Callsign genealogy →