Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI7SBT callsign genealogy
Currently held by TURCOTTE, STEPHEN 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 KI7SBT's current licensee, walking backwards.
- TURCOTTE, STEPHEN BIDgranted 2017-07-14cancelled 2021-10-15
Successor callsigns
Callsigns held now by people who previously held KI7SBT.
- Arnold, Donald MAZgranted 2018-05-25
All historical holders
Every license row we've seen with the callsign KI7SBT, oldest first.
- Arnold, Donald M AZ2017-11-22 → cancelled 2018-05-25
- TURCOTTE, STEPHEN B ID2021-10-15 active