Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT4XM callsign genealogy
Currently held by Clark, Michael G
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 WT4XM's current licensee, walking backwards.
- Clark, Michael GVAgranted 2020-02-21cancelled 2020-03-17
Successor callsigns
Callsigns held now by people who previously held WT4XM.
No current licensee on record previously held this callsign.