Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3WP callsign genealogy
Currently held by Planas-Montes, William
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by NP3WP's current licensee, walking backwards.
- Planas-Montes, WilliamPRgranted 2012-12-31cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held NP3WP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP3WP, oldest first.
- RIVERA, ANIBAL PR1998-06-09 → cancelled 2010-06-10
- Planas-Montes, William PR2026-02-05 active