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

NP4AD

Active

RODRIGUEZ SANTIAGO, JOSEPH

Location: GUANICA, PR
Class: Amateur Extra
Granted: 2022-03-15
Expires: 2032-03-15
Previous call: KP4YAE
FRN: 0028555688

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Vanity availability

Held

Currently held

NP4AD is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KP4YAEcancelled· G
RODRIGUEZ SANTIAGO, JOSEPHPRgranted 2022-02-25cancelled 2022-03-15
WP4RSOcancelled· G
RODRIGUEZ SANTIAGO, JOSEPHPRgranted 2021-02-22cancelled 2022-02-25

Prior holders later became

KP4WTVactive· G
TORRES VALENTIN, WILLIAMPRgranted 2018-01-17

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 →