Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG7SB callsign genealogy
Currently held by FIELDER, ROBERT 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 KG7SB's current licensee, walking backwards.
- FIELDER, ROBERT ANCgranted 2018-06-02
Successor callsigns
Callsigns held now by people who previously held KG7SB.
- FIELDER, ROBERT ANCgranted 2018-06-02
All historical holders
Every license row we've seen with the callsign KG7SB, oldest first.
- FIELDER, RONALD G AZ1991-07-30 → cancelled 2003-07-31
- FIELDER, ROBERT A NC2016-10-04 → cancelled 2018-06-02