Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0MAX callsign genealogy
Currently held by McCoy, Max 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 KC0MAX's current licensee, walking backwards.
- McCoy, Max AKSgranted 2004-01-26cancelled 2004-04-09
Successor callsigns
Callsigns held now by people who previously held KC0MAX.
- Ulland, Richard LMNgranted 2022-01-11
All historical holders
Every license row we've seen with the callsign KC0MAX, oldest first.
- Ulland, Richard L MN2002-01-02 → cancelled 2002-03-21
- McCoy, Max A KS2024-03-19 active