Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7OLS callsign genealogy
Currently held by Blair, William G
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 K7OLS's current licensee, walking backwards.
- Blair, William GORgranted 2019-02-05cancelled 2019-04-02
Successor callsigns
Callsigns held now by people who previously held K7OLS.
No current licensee on record previously held this callsign.