Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB8M callsign genealogy
Currently held by COLE, JAMES W
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 KB8M's current licensee, walking backwards.
- Birky, Douglas GMIgranted 2003-07-17cancelled 2006-10-17
Successor callsigns
Callsigns held now by people who previously held KB8M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB8M, oldest first.
- COLE, JAMES W MI1994-02-22 → cancelled 2006-02-23
- Birky, Douglas G MI2016-11-05 active