Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD3YI callsign genealogy
Currently held by Cox Sr, Charles E
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 KD3YI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD3YI.
- Cox Sr, Charles EMDgranted 2020-12-22