Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD2BI callsign genealogy
Currently held by Campbell, Thomas 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 AD2BI's current licensee, walking backwards.
- Campbell, Thomas MNYgranted 2012-05-23cancelled 2020-10-24
Successor callsigns
Callsigns held now by people who previously held AD2BI.
No current licensee on record previously held this callsign.