Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS6GR callsign genealogy
Currently held by Chang, Kathleen J
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 KS6GR's current licensee, walking backwards.
- Chang, Kathleen JCAgranted 2021-02-01cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held KS6GR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KS6GR, oldest first.
- HAST, KATHRYN H OR2007-05-25 → cancelled 2019-05-29
- Chang, Kathleen J CA2021-03-09 active