Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0ARI callsign genealogy
Currently held by CALVERT, MICHAEL B
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 KC0ARI's current licensee, walking backwards.
- Falcone, Tony ACOgranted 2007-06-21cancelled 2007-07-10
Successor callsigns
Callsigns held now by people who previously held KC0ARI.
- CALVERT, MICHAEL BMOgranted 2024-01-05
All historical holders
Every license row we've seen with the callsign KC0ARI, oldest first.
- CALVERT, MICHAEL B MO1997-04-25 → cancelled 2004-03-26
- Falcone, Tony A CO2007-07-10 → cancelled 2019-07-11