Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0RAA callsign genealogy
Currently held by SCHMIDT JR, 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 KB0RAA's current licensee, walking backwards.
- Adair, Robert ACOgranted 2024-12-17cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held KB0RAA.
- Schmidt, Michael DMNgranted 2014-07-11cancelled 2024-07-23
All historical holders
Every license row we've seen with the callsign KB0RAA, oldest first.
- SCHMIDT JR, MICHAEL D MN1996-05-21 → cancelled 2004-07-09
- Adair, Robert A CO2025-01-11 active