Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4DTX callsign genealogy
Currently held by Tudor, David T
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 N4DTX's current licensee, walking backwards.
- Tudor, David TKYgranted 2006-02-16cancelled 2007-02-08
Successor callsigns
Callsigns held now by people who previously held N4DTX.
- LIBBEY, RICHARD BVAgranted 1992-02-18cancelled 2004-02-19