Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8BI callsign genealogy
Currently held by MONDEAU, WILLIAM J
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 K8BI's current licensee, walking backwards.
- Mayhew, William TOHgranted 2013-04-30cancelled 2019-06-07
Successor callsigns
Callsigns held now by people who previously held K8BI.
- BONEBRAKE, GARY ANMgranted 2016-09-21
All historical holders
Every license row we've seen with the callsign K8BI, oldest first.
- MONDEAU, WILLIAM J MI2001-02-03 → cancelled 2003-12-25
- Van Eaton, Harley J WA2007-05-19 → cancelled 2019-05-21
- Mayhew, William T OH2019-06-07 active