Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4OMS callsign genealogy
Currently held by MOST DDS, DOUGLAS 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 K4OMS's current licensee, walking backwards.
- MOST DDS, DOUGLAS SFLgranted 2006-12-01cancelled 2009-03-24
Successor callsigns
Callsigns held now by people who previously held K4OMS.
No current licensee on record previously held this callsign.