Confidence: Medium · Source: FCC ULS · As of 2026-11-04
KI6B callsign genealogy
Currently held by Sonoma Mountain Repeater Society
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 KI6B's current licensee, walking backwards.
- KO6ORLcancelledSonoma Mountain Repeater SocietyCAgranted 2026-08-04cancelled 2026-10-27
Successor callsigns
Callsigns held now by people who previously held KI6B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI6B, oldest first.
- Thompson, Robert N CA2015-02-03 → cancelled 2024-08-26
- Sonoma Mountain Repeater Society CA2026-10-27 active