Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0MCM callsign genealogy
Currently held by Ward, Brian E
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 K0MCM's current licensee, walking backwards.
- Spencer, Doug SCOgranted 2017-02-16cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held K0MCM.
- Ward, Brian ESDgranted 2012-07-31cancelled 2013-06-27
All historical holders
Every license row we've seen with the callsign K0MCM, oldest first.
- Ward, Brian E TX2010-05-04 → cancelled 2012-07-31
- Spencer, Doug S CO2022-04-26 active