Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CDO callsign genealogy
Currently held by Moore, Jerry B
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 W4CDO's current licensee, walking backwards.
- Moore, Jerry BTNgranted 2009-10-02cancelled 2011-09-20
Successor callsigns
Callsigns held now by people who previously held W4CDO.
No current licensee on record previously held this callsign.