Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JMK callsign genealogy
Currently held by Keaton, Justin 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 W4JMK's current licensee, walking backwards.
- Keaton, Justin MNCgranted 1996-06-08cancelled 2002-10-08
Successor callsigns
Callsigns held now by people who previously held W4JMK.
No current licensee on record previously held this callsign.