Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CDX callsign genealogy
Currently held by Jeanpierre Jr, David 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 K5CDX's current licensee, walking backwards.
- Jeanpierre Jr, David ELAgranted 2021-03-02cancelled 2021-06-12
Successor callsigns
Callsigns held now by people who previously held K5CDX.
- Jeanpierre Jr, David ELAgranted 2025-01-25
All historical holders
Every license row we've seen with the callsign K5CDX, oldest first.
- CDX CONTEST GROUP MS2007-09-14 → cancelled 2019-08-22
- Jeanpierre Jr, David E LA2021-06-12 → cancelled 2025-01-25