Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TRQ callsign genealogy
Currently held by Troyer, Douglas A
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 W7TRQ's current licensee, walking backwards.
- Troyer, Douglas AWAgranted 2004-06-16cancelled 2014-01-22
Successor callsigns
Callsigns held now by people who previously held W7TRQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TRQ, oldest first.
- DAUBENDICK, CARL G UT1988-08-09 → cancelled 2000-08-10
- Troyer, Douglas A WA2014-01-22 → cancelled 2026-03-07