Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DMM callsign genealogy
Currently held by MOORE, DONALD 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 W6DMM's current licensee, walking backwards.
- MADEO, DAN MCAgranted 2017-03-24cancelled 2020-05-08
Successor callsigns
Callsigns held now by people who previously held W6DMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6DMM, oldest first.
- MOORE, DONALD M AZ2008-04-05 → cancelled 2020-03-04
- MADEO, DAN M CA2020-05-08 active