Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD3EMS callsign genealogy
Currently held by Biddle, Chris G
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 KD3EMS's current licensee, walking backwards.
- Biddle, Chris GPAgranted 2025-05-07cancelled 2025-06-03
Successor callsigns
Callsigns held now by people who previously held KD3EMS.
No current licensee on record previously held this callsign.