Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0OMM callsign genealogy
Currently held by Crossley, Vincent G
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 K0OMM's current licensee, walking backwards.
- Crossley, Vincent GMOgranted 2026-03-03cancelled 2026-03-21
Successor callsigns
Callsigns held now by people who previously held K0OMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0OMM, oldest first.
- HARRISON, MARSHALL F KS2006-10-03 → cancelled 2018-09-21
- Crossley, Vincent G MO2026-03-21 active