Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6QYO callsign genealogy
Currently held by Olson, Carl D
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 W6QYO's current licensee, walking backwards.
- Olson, Carl DTNgranted 2014-10-07cancelled 2023-01-14
Successor callsigns
Callsigns held now by people who previously held W6QYO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6QYO, oldest first.
- OLSON, CARL W CA2010-08-12 → cancelled 2022-10-12
- Olson, Carl D TN2023-01-14 active