Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W4NQP callsign genealogy
Currently held by Preen, William 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 W4NQP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4NQP.
No current licensee on record previously held this callsign.