Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4MR callsign genealogy
Currently held by Movimiento Radioaficionado De Puerto Rico Inc
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 WP4MR's current licensee, walking backwards.
- WP4NPCcancelledMovimiento Radioaficionado De Puerto Rico IncPRgranted 2013-04-24cancelled 2017-07-01
Successor callsigns
Callsigns held now by people who previously held WP4MR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4MR, oldest first.
- PERZ ROBLES, AUREA E PR1987-11-17 → cancelled 1999-11-18
- Movimiento Radioaficionado De Puerto Rico Inc PR2017-07-01 active