Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TCO callsign genealogy
Currently held by Fiedler, Jeremy M
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 K0TCO's current licensee, walking backwards.
- Fiedler, Jeremy MSDgranted 2021-03-16cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held K0TCO.
No current licensee on record previously held this callsign.