Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MWT callsign genealogy
Currently held by Treadway SR, Michael W
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 K4MWT's current licensee, walking backwards.
- Treadway Sr, Michael WVAgranted 2004-10-13cancelled 2008-03-08
Successor callsigns
Callsigns held now by people who previously held K4MWT.
No current licensee on record previously held this callsign.