Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TCK callsign genealogy
Currently held by Turner, Robert L
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 K4TCK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4TCK.
No current licensee on record previously held this callsign.