Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WX4MRJ callsign genealogy
Currently held by Jarvis, Mark R
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 WX4MRJ's current licensee, walking backwards.
- Jarvis, Mark RKYgranted 2005-05-19cancelled 2014-04-08
Successor callsigns
Callsigns held now by people who previously held WX4MRJ.
No current licensee on record previously held this callsign.