Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DMM callsign genealogy
Currently held by Middleton, 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 K9DMM's current licensee, walking backwards.
- Middleton, David MPAgranted 2012-11-28cancelled 2012-12-18
Successor callsigns
Callsigns held now by people who previously held K9DMM.
No current licensee on record previously held this callsign.