Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W4MPV callsign genealogy
Currently held by PORTALATIN, MARIO 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 W4MPV's current licensee, walking backwards.
- PORTALATIN, MARIO AFLgranted 2000-04-22cancelled 2010-03-12
Successor callsigns
Callsigns held now by people who previously held W4MPV.
No current licensee on record previously held this callsign.