Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA0BT callsign genealogy
Currently held by HARNOIS, MICHAEL D
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 AA0BT's current licensee, walking backwards.
- N9FVCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA0BT.
- HARNOIS, MICHAEL DMAgranted 2010-03-06cancelled 2012-08-19