Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4UD callsign genealogy
Currently held by RODRIGUEZ JAGUER, EDWARDO
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 WP4UD's current licensee, walking backwards.
- RODRIGUEZ, EDUARDOFLgranted 2018-03-15cancelled 2018-04-03
Successor callsigns
Callsigns held now by people who previously held WP4UD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4UD, oldest first.
- RODRIGUEZ JAGUER, EDWARDO PR1989-03-14 → cancelled 2001-03-15
- RODRIGUEZ, EDUARDO PR2018-04-03 active