Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK0S callsign genealogy
Currently held by BARLEY, LIONEL B
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 KK0S's current licensee, walking backwards.
- BARLEY, LIONEL BKSgranted 2004-12-03cancelled 2009-02-27
Successor callsigns
Callsigns held now by people who previously held KK0S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK0S, oldest first.
- TRAYNOR, RAYMOND H AR2001-07-19 → cancelled 2006-12-02
- BARLEY, LIONEL B KS2018-12-06 active