Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4PU callsign genealogy
Currently held by Haynes, David E
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 AJ4PU's current licensee, walking backwards.
- Haynes, David ESCgranted 2008-02-11cancelled 2009-04-23
Successor callsigns
Callsigns held now by people who previously held AJ4PU.
No current licensee on record previously held this callsign.