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

NP4ZJ

Expired

FELIX, MUNIZ

Location: MOCA, PR
Class: Technician
Granted: 2013-07-31
Expires: 2024-03-05
Previous call: WP4BVF
FRN: 0010042406

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Vanity availability

541d

Available on 2028-03-04

NP4ZJ expired on 2024-03-05. Hold ends in 541 days.

Last held by FELIX, MUNIZ (PR).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

WP4BVF
no FCC ULS record on file

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
NP4FM PR · 2028-03-21

Full history → Vanity availability → Callsign genealogy →