Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC7SG callsign genealogy
Currently held by GISSELBERG, STEVEN W
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 AC7SG's current licensee, walking backwards.
- Gisselberg, Steven WWAgranted 2007-02-28cancelled 2007-06-12
Successor callsigns
Callsigns held now by people who previously held AC7SG.
- Creigh, Robert HWAgranted 2022-09-29
All historical holders
Every license row we've seen with the callsign AC7SG, oldest first.
- Creigh, Robert H VA1997-08-18 → cancelled 2002-12-20
- GISSELBERG, STEVEN W WA2017-03-17 active