Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG7EDH callsign genealogy
Currently held by Grabo, Jason 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 KG7EDH's current licensee, walking backwards.
- Hatton, DuaneAZgranted 2015-08-14cancelled 2015-10-02
Successor callsigns
Callsigns held now by people who previously held KG7EDH.
- Grabo, Jason WWAgranted 2013-07-16cancelled 2025-07-17
All historical holders
Every license row we've seen with the callsign KG7EDH, oldest first.
- Grabo, Jason W WA2013-06-20 → cancelled 2013-07-16
- Hatton, Duane AZ2015-10-02 active