Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM7DEW callsign genealogy
Currently held by Dewey, Mark W
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 KM7DEW's current licensee, walking backwards.
- Dewey, Mark WORgranted 2022-03-02cancelled 2022-05-21
Successor callsigns
Callsigns held now by people who previously held KM7DEW.
No current licensee on record previously held this callsign.