Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB8BK callsign genealogy
Currently held by RIDGEWAY, HARLEY D
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 KB8BK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB8BK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB8BK, oldest first.
- LAPPALA, JOHN R MI1988-04-19 → cancelled 2000-04-20
- RIDGEWAY, HARLEY D MI2017-12-29 active