Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD3CDX callsign genealogy
Currently held by Bolduc, Christopher
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 KD3CDX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD3CDX.
No current licensee on record previously held this callsign.