Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7JMX callsign genealogy
Currently held by MASON, JUSTIN C
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 W7JMX's current licensee, walking backwards.
- MASON, JUSTIN CIDgranted 2011-04-20cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held W7JMX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JMX, oldest first.
- Elliot, Ian A MT2004-12-09 → cancelled 2017-02-25
- MASON, JUSTIN C ID2018-01-09 active