Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7RST callsign genealogy
Currently held by HEAD, GREGORY S
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 KI7RST's current licensee, walking backwards.
- HEAD, GREGORY SAZgranted 2017-11-22cancelled 2017-12-15
Successor callsigns
Callsigns held now by people who previously held KI7RST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI7RST, oldest first.
- HEAD, GREGORY S AZ2017-11-14 → cancelled 2017-11-20
- HEAD, GREGORY S AZ2017-12-15 active