Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DXS callsign genealogy
Currently held by GUTHRIE, THEODORE A
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 W4DXS's current licensee, walking backwards.
- GUTHRIE, THEODORE ANCgranted 1999-08-09cancelled 2009-05-12
Successor callsigns
Callsigns held now by people who previously held W4DXS.
No current licensee on record previously held this callsign.