Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KT6XX callsign genealogy
Currently held by SCHWARTZ, 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 KT6XX's current licensee, walking backwards.
- SCHWARTZ, DONALD LCAgranted 1999-06-04cancelled 2004-11-02
Successor callsigns
Callsigns held now by people who previously held KT6XX.
No current licensee on record previously held this callsign.