Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DCD callsign genealogy
Currently held by ROBERTSON, VERNON K
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 W9DCD's current licensee, walking backwards.
- Dyreson, Devon CWIgranted 2010-04-08cancelled 2010-06-22
Successor callsigns
Callsigns held now by people who previously held W9DCD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9DCD, oldest first.
- ROBERTSON, VERNON K IN1995-05-22 → cancelled 2007-05-23
- Dyreson, Devon MI2021-07-27 active