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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KP4ZWY

Cancelled

RIVERA, REYNALDO

Location: ARECIBO, PR
Class: General
Granted: 2020-10-16
Expires: 2030-10-16
Previous call: KM4ZWY
FRN: 0026119073

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Vanity availability

174d

Available on 2027-03-04

KP4ZWY cancelled on 2025-03-04. Hold ends in 174 days.

Last held by RIVERA, REYNALDO (PR).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Previously held by current licensee

KM4ZWYcancelled· G
RIVERA, REYNALDOFLgranted 2016-12-22cancelled 2020-10-16

Prior holders later became

NP4AEactive· G
RIVERA, REYNALDOPRgranted 2025-03-04

License history

0 events

No recorded events.

More vanity slots coming available

From Puerto Rico

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

Starting with KP4

KP4ECD PR · 2026-09-16
KP4ED PR · 2026-10-05
KP4CH IN · 2026-10-11
KP4DEU PR · 2026-10-12
KP4GN PR · 2026-11-02

Full history → Vanity availability → Callsign genealogy →