Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1YSX callsign genealogy
Currently held by Dunn, Clair 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 KA1YSX's current licensee, walking backwards.
- KA8IOJno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KA1YSX.
- Dunn, Clair AVTgranted 2001-02-02cancelled 2003-02-05