Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KT9FRG callsign genealogy
Currently held by Thompson, David A
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 KT9FRG's current licensee, walking backwards.
- Thompson, David AWIgranted 2022-04-05cancelled 2022-05-20
Successor callsigns
Callsigns held now by people who previously held KT9FRG.
No current licensee on record previously held this callsign.