Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM6SDM callsign genealogy
Currently held by Miller, 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 KM6SDM's current licensee, walking backwards.
- Miller, David MCAgranted 2017-03-01cancelled 2017-05-05
Successor callsigns
Callsigns held now by people who previously held KM6SDM.
- Miller, David MMOgranted 2018-08-28