Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0DMB callsign genealogy
Currently held by Bolton, Douglas M
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 K0DMB's current licensee, walking backwards.
- Bolton, Douglas MCOgranted 2011-08-17cancelled 2011-09-10
Successor callsigns
Callsigns held now by people who previously held K0DMB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0DMB, oldest first.
- SLETTOM, CARL S MN1994-04-05 → cancelled 2006-04-06
- Bolton, Douglas M FL2021-10-06 active