Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7AJO callsign genealogy
Currently held by Curtis, Thad C
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 KA7AJO's current licensee, walking backwards.
- Curtis, Thad CAZgranted 2024-05-14cancelled 2024-06-04
Successor callsigns
Callsigns held now by people who previously held KA7AJO.
No current licensee on record previously held this callsign.