Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TRJ callsign genealogy
Currently held by Greve, Gary V
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 W7TRJ's current licensee, walking backwards.
- Greve, Gary VWAgranted 2009-08-17cancelled 2010-06-15
Successor callsigns
Callsigns held now by people who previously held W7TRJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TRJ, oldest first.
- Jones, Theodore R OR2001-02-03 → cancelled 2002-02-10
- Greve, Gary V WA2020-06-12 active