Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DIS callsign genealogy
Currently held by Disser, David
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 W6DIS's current licensee, walking backwards.
- Disser, DavidCAgranted 2025-08-13cancelled 2025-09-20
Successor callsigns
Callsigns held now by people who previously held W6DIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6DIS, oldest first.
- ZERVANTIAN, MESROP C CA1996-01-31 → cancelled 2008-02-01
- Disser, David CA2025-09-20 active