Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD6DVM callsign genealogy
Currently held by Ryan, CHRISTOPHER 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 KD6DVM's current licensee, walking backwards.
- RYAN, CHRISTOPHER SCAgranted 2007-08-21cancelled 2008-01-15
Successor callsigns
Callsigns held now by people who previously held KD6DVM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6DVM, oldest first.
- XUAN, XIAOHUA CA1991-12-10 → cancelled 2003-12-11
- Ryan, CHRISTOPHER S OR2017-12-29 active