Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0TIM callsign genealogy
Currently held by Buchanan, Timothy V
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 KD0TIM's current licensee, walking backwards.
- Fischer, Timothy CCOgranted 2024-10-01cancelled 2024-11-23
Successor callsigns
Callsigns held now by people who previously held KD0TIM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD0TIM, oldest first.
- Buchanan, Timothy V CO2008-07-29 → cancelled 2020-07-30
- Fischer, Timothy C CO2024-11-23 active