Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4XMM callsign genealogy
Currently held by WILSON, MARYANN
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 K4XMM's current licensee, walking backwards.
- WILSON, MARYANNCAgranted 2007-06-12cancelled 2017-06-20
Successor callsigns
Callsigns held now by people who previously held K4XMM.
No current licensee on record previously held this callsign.