Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4TIM callsign genealogy
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 KF4TIM's current licensee, walking backwards.
- Bernard, Timothy LFLgranted 2011-08-23cancelled 2012-04-21
Successor callsigns
Callsigns held now by people who previously held KF4TIM.
- W3NSAcancelledAMERICAN INTEL RADIO CLUBGAgranted 2007-08-28cancelled 2007-09-15
All historical holders
Every license row we've seen with the callsign KF4TIM, oldest first.
- Bernard, Timothy L IL2022-01-25 active
- —— → cancelled 1997-08-21