Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI5TRK callsign genealogy
Currently held by Mathes, David 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 KI5TRK's current licensee, walking backwards.
- Mathes, David BTXgranted 2022-01-31cancelled 2022-02-14
Successor callsigns
Callsigns held now by people who previously held KI5TRK.
- MATHES, DAVID BTXgranted 2022-03-05