Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB6Q callsign genealogy
Currently held by Sako, Mitch
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 NB6Q's current licensee, walking backwards.
- Sako, MitchCAgranted 2019-04-23cancelled 2019-06-22
Successor callsigns
Callsigns held now by people who previously held NB6Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NB6Q, oldest first.
- SHINDLER, KIM M CA2007-04-28 → cancelled 2019-04-30
- Sako, Mitch CA2019-06-22 active