Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7SR callsign genealogy
Currently held by Harwell, William 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 AC7SR's current licensee, walking backwards.
- Harwell, William AWAgranted 1996-04-04cancelled 2002-04-24
Successor callsigns
Callsigns held now by people who previously held AC7SR.
No current licensee on record previously held this callsign.