Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PUP callsign genealogy
Currently held by Hayes, John 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 W4PUP's current licensee, walking backwards.
- Hayes, John AFLgranted 2003-11-21cancelled 2003-12-30
Successor callsigns
Callsigns held now by people who previously held W4PUP.
No current licensee on record previously held this callsign.