Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0CG callsign genealogy
Currently held by KIEFFER, KENNETH P
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 AC0CG's current licensee, walking backwards.
- KIEFFER, KENNETH PCOgranted 2004-01-28cancelled 2005-03-24
Successor callsigns
Callsigns held now by people who previously held AC0CG.
No current licensee on record previously held this callsign.