Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MPJ callsign genealogy
Currently held by Contreras, Salomon A
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 W7MPJ's current licensee, walking backwards.
- Contreras, Salomon AAZgranted 2025-01-15cancelled 2025-02-21
Successor callsigns
Callsigns held now by people who previously held W7MPJ.
No current licensee on record previously held this callsign.