Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JTT callsign genealogy
Currently held by Thames, John 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 W7JTT's current licensee, walking backwards.
- Thames, John TWAgranted 2004-12-18cancelled 2008-04-18
Successor callsigns
Callsigns held now by people who previously held W7JTT.
No current licensee on record previously held this callsign.