Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KJ4PBY callsign genealogy
Currently held by Anderson, William F
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 KJ4PBY's current licensee, walking backwards.
- Anderson, William FFLgranted 2009-08-14cancelled 2009-09-17
Successor callsigns
Callsigns held now by people who previously held KJ4PBY.
No current licensee on record previously held this callsign.