Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8OS callsign genealogy
Currently held by BLY, JACK A
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 W8OS's current licensee, walking backwards.
- KD8GARcancelledBuckeye DX ClubOHgranted 2007-04-25cancelled 2007-05-18
Successor callsigns
Callsigns held now by people who previously held W8OS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8OS, oldest first.
- BLY, JACK A OH1996-11-04 → cancelled 1998-11-24
- Buckeye DX Club OH2017-02-28 active