Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WP4OR callsign genealogy
Currently held by RODRIGUEZ LOPEZ, OLGA N
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 WP4OR's current licensee, walking backwards.
- RODRIGUEZ LOPEZ, OLGA NPRgranted 2014-07-15cancelled 2014-09-09
Successor callsigns
Callsigns held now by people who previously held WP4OR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4OR, oldest first.
- APONTE, JULIO C PR1998-04-06 → cancelled 2010-04-07
- RODRIGUEZ LOPEZ, OLGA N PR2014-09-09 active