Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0SAA callsign genealogy
Currently held by COOPER, CLARENCE H
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 K0SAA's current licensee, walking backwards.
- Austad, Scott AMNgranted 2017-11-21cancelled 2017-12-19
Successor callsigns
Callsigns held now by people who previously held K0SAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0SAA, oldest first.
- COOPER, CLARENCE H MO1998-07-23 → cancelled 2010-07-24
- Austad, Scott A MN2017-12-19 active