Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4EL callsign genealogy
Currently held by RODRIGUEZ ROSADO, MIGDALIA
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 WP4EL's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WP4EL.
- MERCADO, DIEGOPRgranted 2017-09-05
All historical holders
Every license row we've seen with the callsign WP4EL, oldest first.
- RODRIGUEZ ROSADO, MIGDALIA PR2004-08-04 → cancelled 2016-08-05
- MERCADO, DIEGO— → cancelled 1997-10-14