Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4NPF callsign genealogy
Currently held by Aguadilla DX & Contest Club
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 WP4NPF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WP4NPF.
- KP4FPexpiredAguadilla DX & Contest ClubPRgranted 2004-02-20cancelled 2016-02-23