Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TTC callsign genealogy
Currently held by Cooke, Thomas T
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 K0TTC's current licensee, walking backwards.
- Cooke, Thomas TMOgranted 2008-05-13cancelled 2017-06-09
Successor callsigns
Callsigns held now by people who previously held K0TTC.
- Cooke, Thomas TMOgranted 2026-07-03