Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MDD callsign genealogy
Currently held by MT DIABLO D-STAR
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 K6MDD's current licensee, walking backwards.
- KI6EBIcancelledMT DIABLO D-STARCAgranted 2006-05-30cancelled 2006-06-17
Successor callsigns
Callsigns held now by people who previously held K6MDD.
No current licensee on record previously held this callsign.