Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP3JM callsign genealogy
Currently held by Medina, James S
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 WP3JM's current licensee, walking backwards.
- Medina-Bianco, James SPRgranted 2009-09-01cancelled 2014-05-06
Successor callsigns
Callsigns held now by people who previously held WP3JM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP3JM, oldest first.
- Arriaga-Sanchez, Alexander PR2001-02-28 → cancelled 2013-03-01
- Medina, James S CA2024-05-11 active