Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4XFM callsign genealogy
Currently held by Williams, Adam M
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 W4XFM's current licensee, walking backwards.
- Williams, Adam MGAgranted 2020-04-16cancelled 2020-09-29
Successor callsigns
Callsigns held now by people who previously held W4XFM.
No current licensee on record previously held this callsign.