Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0SDY callsign genealogy
Currently held by DODSWORTH, RYAN 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 KB0SDY's current licensee, walking backwards.
- Dodsworth, Ryan DTNgranted 2024-11-14cancelled 2024-12-03
Successor callsigns
Callsigns held now by people who previously held KB0SDY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0SDY, oldest first.
- DODSWORTH, RYAN D MO1995-04-20 → cancelled 2007-04-21
- Dodsworth, Ryan D TN2024-12-03 active