Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6MST callsign genealogy
Currently held by McDowell, Andrew J
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 KM6MST's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM6MST.
- McDowell, Andrew JTXgranted 2017-09-19