Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7KAO callsign genealogy
Currently held by Olson, Keith 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 KK7KAO's current licensee, walking backwards.
- Olson, Keith AIDgranted 2022-12-07cancelled 2022-12-28
Successor callsigns
Callsigns held now by people who previously held KK7KAO.
No current licensee on record previously held this callsign.