Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4JED callsign genealogy
Currently held by RODRIGUEZ COLON, SANTOS J
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 WP4JED'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 WP4JED.
All historical holders
Every license row we've seen with the callsign WP4JED, oldest first.
- RODRIGUEZ COLON, SANTOS J PR2009-10-01 → cancelled 2010-06-08
- RODRIGUEZ COLON, SANTOS J— → cancelled 1999-08-02