Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SDM callsign genealogy
Currently held by MOONEY, STEPHEN D
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 K6SDM's current licensee, walking backwards.
- MOONEY, STEPHEN DMSgranted 2019-09-26cancelled 2021-06-25
Successor callsigns
Callsigns held now by people who previously held K6SDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SDM, oldest first.
- SAN DIEGO METROPOLITAN AMATEUR RADIO CLUB CA1996-12-17 → cancelled 2008-12-18
- MOONEY, STEPHEN D MS2021-06-25 active