Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7DRZ callsign genealogy
Currently held by Gilchrist, Robert B
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 KA7DRZ's current licensee, walking backwards.
- Gilchrist, Robert BUTgranted 2010-03-08cancelled 2010-04-02
Successor callsigns
Callsigns held now by people who previously held KA7DRZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7DRZ, oldest first.
- GILCHRIST, BRUCE UT1995-12-08 → cancelled 2007-12-11
- Gilchrist, Robert B UT2020-04-03 active