Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3TCF callsign genealogy
Currently held by SHAVNEY, DONALD 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 K3TCF's current licensee, walking backwards.
- Cook, Tommy LOKgranted 2024-04-02cancelled 2024-04-20
Successor callsigns
Callsigns held now by people who previously held K3TCF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3TCF, oldest first.
- SHAVNEY, DONALD J PA2007-10-03 → cancelled 2020-01-01
- COOK, TOMMY L OK2024-04-20 active