Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4RM callsign genealogy
Currently held by AVILES, WILFREDO
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 WP4RM's current licensee, walking backwards.
- MARTINEZ, REINALDOPRgranted 2014-04-28cancelled 2017-08-05
Successor callsigns
Callsigns held now by people who previously held WP4RM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4RM, oldest first.
- AVILES, WILFREDO PR1998-11-06 → cancelled 2010-11-09
- MARTINEZ, REINALDO PR2017-08-05 active