Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4AH callsign genealogy
Currently held by PETSCHE, GEORGE R
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 KF4AH's current licensee, walking backwards.
- HYNSON, ANDREW LVAgranted 2020-06-30cancelled 2022-04-22
Successor callsigns
Callsigns held now by people who previously held KF4AH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4AH, oldest first.
- PETSCHE, GEORGE R FL1988-04-12 → cancelled 2000-04-13
- HYNSON, ANDREW L VA2022-04-22 active