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

KP4TW

Expired

O NEILL ARROYO, RAFAEL

Location: SAN JUAN, PR
Class: Amateur Extra
Granted: 2009-04-16
Expires: 2019-06-02
Previous call: NP3I
FRN: 0018694703

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Vanity availability

Available

Available now

KP4TW cleared its 2-year hold on 2023-06-01. Eligible for vanity application.

Last held by O NEILL ARROYO, RAFAEL (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

NP3Iactive· E
VARGAS QUINONES, MIRITSSAPRgranted 2020-09-19
WP4YLcancelled· E
VARGAS QUINONES, MIRITSSAPRgranted 2016-12-03cancelled 2020-09-19
WP4ONJcancelled· G
Vargas Quinones, MiritssaPRgranted 2012-02-16cancelled 2016-12-03

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 KP4

All →

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 →