Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4JAG callsign genealogy
Currently held by CRESPO, MARIA E
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 WP4JAG's current licensee, walking backwards.
- GONZALEZ, JOSE APRgranted 2019-02-20cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held WP4JAG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4JAG, oldest first.
- CRESPO, MARIA E PR2002-03-26 → cancelled 2013-05-23
- GONZALEZ, JOSE A PR2019-03-12 active