Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6OS callsign genealogy
Currently held by FINLAY, ALEXANDER
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 W6OS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6OS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6OS, oldest first.
- HALL, EDWARD G CA1996-09-11 → cancelled 2002-12-25
- FINLAY, ALEXANDER CA2015-06-03 active