Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6OI callsign genealogy
Currently held by LAYTON, FRANK W
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 N6OI's current licensee, walking backwards.
- Kibbish Jr, Frank MCAgranted 2005-01-13cancelled 2012-07-31
Successor callsigns
Callsigns held now by people who previously held N6OI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6OI, oldest first.
- LAYTON, FRANK W CA1988-03-22 → cancelled 2000-03-23
- TOVSRUD, ROBERT CA2000-07-11 → cancelled 2012-07-12
- Kibbish Jr, Frank M CA2022-08-02 active