Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TKC callsign genealogy
Currently held by Callender, Theodore K
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 W4TKC's current licensee, walking backwards.
- Callender, Theodore KFLgranted 2016-03-24cancelled 2021-02-23
Successor callsigns
Callsigns held now by people who previously held W4TKC.
No current licensee on record previously held this callsign.