Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0OOM callsign genealogy
Currently held by LARSON, ROBERT H
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 K0OOM's current licensee, walking backwards.
- Starkweather, Will LFLgranted 2021-04-23cancelled 2021-05-14
Successor callsigns
Callsigns held now by people who previously held K0OOM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0OOM, oldest first.
- LARSON, ROBERT H IA1988-05-10 → cancelled 2000-05-11
- Starkweather, Will L FL2021-05-14 active