Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CTN callsign genealogy
Currently held by COOK, GERALD R
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 K4CTN's current licensee, walking backwards.
- COOK, GERALD RNJgranted 2003-10-25cancelled 2008-11-07
Successor callsigns
Callsigns held now by people who previously held K4CTN.
No current licensee on record previously held this callsign.