Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG9A callsign genealogy
Currently held by CAMPBELL, WILLIAM H
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 KG9A's current licensee, walking backwards.
- McClintock, Jon AWAgranted 2000-03-03cancelled 2008-05-16
Successor callsigns
Callsigns held now by people who previously held KG9A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG9A, oldest first.
- CAMPBELL, WILLIAM H IN1996-02-21 → cancelled 2008-02-22
- McClintock, Jon A WA2018-03-15 active