Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0STI callsign genealogy
Currently held by Comeau, David M
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 KB0STI's current licensee, walking backwards.
- Comeau, David MOHgranted 2008-09-23cancelled 2012-11-20
Successor callsigns
Callsigns held now by people who previously held KB0STI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0STI, oldest first.
- HIRCOCK, BILL D MN1995-05-23 → cancelled 2007-05-24
- Comeau, David M OH2022-09-21 active