Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6WBH callsign genealogy
Currently held by TOKAR, MARK S
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 KB6WBH's current licensee, walking backwards.
- Tokar, Mark SCAgranted 2018-04-13cancelled 2018-05-04
Successor callsigns
Callsigns held now by people who previously held KB6WBH.
- Tokar, Mark SCAgranted 2020-01-24
All historical holders
Every license row we've seen with the callsign KB6WBH, oldest first.
- TOKAR, MARK S CA1994-10-19 → cancelled 2000-02-24
- Tokar, Mark S CA2018-05-04 → cancelled 2020-01-24