Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3OID callsign genealogy
Currently held by BENEFIEL, MICHAEL A
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 KB3OID's current licensee, walking backwards.
- BENEFIEL, MICHAEL ATXgranted 1997-04-14cancelled 2006-12-14
Successor callsigns
Callsigns held now by people who previously held KB3OID.
- BENEFIEL, MICHAEL ATXgranted 2007-03-23cancelled 2007-12-21