Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WX4AJM callsign genealogy
Currently held by Mullen, Austin J
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 WX4AJM's current licensee, walking backwards.
- Mullen, Austin JALgranted 2013-06-28cancelled 2014-06-03
Successor callsigns
Callsigns held now by people who previously held WX4AJM.
No current licensee on record previously held this callsign.