Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6DSM callsign genealogy
Currently held by MACKAY, DAVID S
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 K6DSM's current licensee, walking backwards.
- MACKAY, DAVID SCAgranted 2004-08-12cancelled 2004-11-27
Successor callsigns
Callsigns held now by people who previously held K6DSM.
No current licensee on record previously held this callsign.