Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4PF callsign genealogy
Currently held by FORTIS, PEDRO J
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 NP4PF's current licensee, walking backwards.
- FORTIS, PEDRO JPRgranted 2009-08-24cancelled 2017-05-09
Successor callsigns
Callsigns held now by people who previously held NP4PF.
No current licensee on record previously held this callsign.