Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9TAD callsign genealogy
Currently held by Dorschner, Todd A
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 KC9TAD's current licensee, walking backwards.
- Dorschner, Todd AWIgranted 2001-08-08cancelled 2001-09-07
Successor callsigns
Callsigns held now by people who previously held KC9TAD.
- Dorschner, Todd AWIgranted 2001-09-07cancelled 2003-11-04