Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8JTM callsign genealogy
Currently held by Matthews, James 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 W8JTM's current licensee, walking backwards.
- Matthews, James TOHgranted 2015-07-09cancelled 2020-08-14
Successor callsigns
Callsigns held now by people who previously held W8JTM.
- MEFFORD, JEFFREY TTNgranted 2018-07-13
All historical holders
Every license row we've seen with the callsign W8JTM, oldest first.
- MEFFORD, JEFFREY T TN2018-04-03 → cancelled 2018-07-13
- Matthews, James T OH2020-08-14 active