Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT1OK callsign genealogy
Currently held by DYGERT, DONALD 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 KT1OK's current licensee, walking backwards.
- DYGERT, DONALD LMAgranted 2005-01-04cancelled 2014-02-04
Successor callsigns
Callsigns held now by people who previously held KT1OK.
No current licensee on record previously held this callsign.