Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7QO callsign genealogy
Currently held by CONTEST PRESERVATION SOCIETY
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 W7QO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7QO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7QO, oldest first.
- CONTEST PRESERVATION SOCIETY GA2000-02-18 → cancelled 2012-02-22
- ADAMSON, ALAN K UT2022-01-21 active