Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1OSB callsign genealogy
Currently held by Lavoie, Frank 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 KB1OSB's current licensee, walking backwards.
- Lavoie, Frank WMEgranted 2007-01-25cancelled 2007-03-27
Successor callsigns
Callsigns held now by people who previously held KB1OSB.
- Lavoie, Frank WMEgranted 2016-11-29