Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6TEZ callsign genealogy
Currently held by KAWAHARA, YOSHIHE
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 K6TEZ's current licensee, walking backwards.
- Bollig, Randall JGAgranted 2017-11-09cancelled 2017-12-02
Successor callsigns
Callsigns held now by people who previously held K6TEZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6TEZ, oldest first.
- KAWAHARA, YOSHIHE CA1997-11-18 → cancelled 2009-11-19
- Bollig, Randall J GA2017-12-02 active