Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CMD callsign genealogy
Currently held by Morton, David 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 K0CMD's current licensee, walking backwards.
- NIENHUSER, DAVID NMOgranted 2009-04-21cancelled 2009-09-01
Successor callsigns
Callsigns held now by people who previously held K0CMD.
- Morton, David MCAgranted 2007-05-30cancelled 2009-10-10
All historical holders
Every license row we've seen with the callsign K0CMD, oldest first.
- Morton, David M CA1998-07-24 → cancelled 2007-05-30
- NIENHUSER, DAVID N IN2019-08-16 active