Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W6DSM callsign genealogy
Currently held by Moberly, 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 W6DSM's current licensee, walking backwards.
- Moberly, DavidCAgranted 2014-07-21cancelled 2014-08-12
Successor callsigns
Callsigns held now by people who previously held W6DSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6DSM, oldest first.
- HORNBERG, BOYD M CA1994-08-30 → cancelled 2006-08-31
- Moberly, David S CA2014-08-12 → cancelled 2026-08-15