Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ZWM callsign genealogy
Currently held by CAROTHERS, THOMAS D
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 W4ZWM's current licensee, walking backwards.
- Carothers, Thomas DTNgranted 1998-09-17cancelled 2007-05-15
Successor callsigns
Callsigns held now by people who previously held W4ZWM.
No current licensee on record previously held this callsign.