Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3JMT callsign genealogy
Currently held by Thomson, James 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 W3JMT's current licensee, walking backwards.
- Thomson, James MPAgranted 2016-09-22cancelled 2016-10-15
Successor callsigns
Callsigns held now by people who previously held W3JMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3JMT, oldest first.
- FEEHRER, GEORGE L PA2003-07-23 → cancelled 2015-10-20
- Thomson, James M PA2016-10-15 active