Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6FBI callsign genealogy
Currently held by Grold, Kevin M
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 W6FBI's current licensee, walking backwards.
- Grold, Kevin MCAgranted 2021-05-11cancelled 2021-06-02
Successor callsigns
Callsigns held now by people who previously held W6FBI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6FBI, oldest first.
- VOSS, HERMAN E CA2008-08-23 → cancelled 2020-09-24
- Grold, Kevin M CA2021-06-02 active