Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7CD callsign genealogy
Currently held by Sumpter, Jon E
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 AC7CD's current licensee, walking backwards.
- SUMPTER, JON EORgranted 1998-08-10cancelled 2000-04-20
Successor callsigns
Callsigns held now by people who previously held AC7CD.
No current licensee on record previously held this callsign.