Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI6TMG callsign genealogy
Currently held by Graham, Jonathan R
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 KI6TMG's current licensee, walking backwards.
- Fon, TatianaORgranted 2016-04-12cancelled 2021-11-30
Successor callsigns
Callsigns held now by people who previously held KI6TMG.
- Graham, Jonathan RCAgranted 2018-09-19
All historical holders
Every license row we've seen with the callsign KI6TMG, oldest first.
- Graham, Jonathan R CA2008-10-08 → cancelled 2008-12-16
- Fon, Tatiana M OR2021-11-30 active