Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT5MW callsign genealogy
Currently held by Williams, Mark C
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 WT5MW's current licensee, walking backwards.
- Williams, Mark CTXgranted 2003-09-15cancelled 2007-08-03
Successor callsigns
Callsigns held now by people who previously held WT5MW.
No current licensee on record previously held this callsign.