Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4KOL callsign genealogy
Currently held by RODRIGUEZ GRACIA, ABINOEL
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 WP4KOL's current licensee, walking backwards.
- RODRIGUEZ GRACIA, ABINOELPRgranted 2018-01-05cancelled 2018-01-23
Successor callsigns
Callsigns held now by people who previously held WP4KOL.
- RODRIGUEZ GRACIA, ABINOELPRgranted 2018-03-23
All historical holders
Every license row we've seen with the callsign WP4KOL, oldest first.
- RODRIGUEZ GRACIA, ABINOEL PR1991-10-01 → cancelled 2003-10-02
- RODRIGUEZ GRACIA, ABINOEL PR2018-01-23 → cancelled 2018-03-23