Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1JTM callsign genealogy
Currently held by MADDOX, JONATHAN T
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 W1JTM's current licensee, walking backwards.
- MADDOX, JONATHAN TSCgranted 2008-03-20cancelled 2008-05-24
Successor callsigns
Callsigns held now by people who previously held W1JTM.
No current licensee on record previously held this callsign.