Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3BM callsign genealogy
Currently held by McCoy, Bryan S
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 KC3BM's current licensee, walking backwards.
- McCoy, Bryan SPAgranted 2020-10-23cancelled 2024-03-05
Successor callsigns
Callsigns held now by people who previously held KC3BM.
- BROWN III, JOHN IVAgranted 2019-07-31
All historical holders
Every license row we've seen with the callsign KC3BM, oldest first.
- BROWN III, JOHN I VA1997-07-24 → cancelled 1999-09-22
- McCoy, Bryan S PA2024-03-05 active