Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TRT callsign genealogy
Currently held by RIEHLE SR, THOMAS J
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 W7TRT's current licensee, walking backwards.
- RIEHLE SR, THOMAS JWAgranted 2009-08-03cancelled 2010-08-03
Successor callsigns
Callsigns held now by people who previously held W7TRT.
No current licensee on record previously held this callsign.