Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7OSS callsign genealogy
Currently held by GAC JR, LEO J
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 W7OSS's current licensee, walking backwards.
- GAC JR, LEO JWAgranted 2004-02-23cancelled 2013-07-09
- WA8KXKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W7OSS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7OSS, oldest first.
- MC ARDLE, EDWIN W OR1996-09-24 → cancelled 2008-09-25
- GAC JR, LEO J WA2023-04-12 active