Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI5GTR callsign genealogy
Currently held by Hart, Frederick 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 KI5GTR's current licensee, walking backwards.
- Chalfant, Les DARgranted 2022-02-14cancelled 2022-03-08
Successor callsigns
Callsigns held now by people who previously held KI5GTR.
All historical holders
Every license row we've seen with the callsign KI5GTR, oldest first.
- Hart, Frederick R TX2019-10-10 → cancelled 2019-11-19
- Chalfant, Les D AR2022-03-08 → cancelled 2026-06-26