Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1JTO callsign genealogy
Currently held by Doster, Thomas J
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 KC1JTO's current licensee, walking backwards.
- Doster, Thomas JNHgranted 2010-05-18cancelled 2018-05-17
Successor callsigns
Callsigns held now by people who previously held KC1JTO.
- Doster, Thomas JNHgranted 2023-03-13