Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CBT callsign genealogy
Currently held by Lohman, Mike
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 W7CBT's current licensee, walking backwards.
- Lohman, MikeORgranted 2020-02-13cancelled 2020-03-03
Successor callsigns
Callsigns held now by people who previously held W7CBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CBT, oldest first.
- Bejar, Carlos C WA2006-03-17 → cancelled 2018-03-20
- Lohman, Mike OR2020-03-03 active