Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4ACF callsign genealogy
Currently held by Heupel, David 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 KG4ACF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KG4ACF.
- Heupel, David AFLgranted 1999-01-21cancelled 2002-10-08