Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4TIM callsign genealogy
Currently held by Blackwood, Timothy 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 KB4TIM's current licensee, walking backwards.
- Blackwood, Timothy JCAgranted 2003-01-13cancelled 2003-09-20
Successor callsigns
Callsigns held now by people who previously held KB4TIM.
No current licensee on record previously held this callsign.