Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6DRT callsign genealogy
Currently held by TYLER, DAVID B
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 N6DRT's current licensee, walking backwards.
- Thompson, DonCAgranted 2015-03-16cancelled 2015-04-24
Successor callsigns
Callsigns held now by people who previously held N6DRT.
- TYLER, DAVID BWAgranted 1998-03-03cancelled 2003-02-16
All historical holders
Every license row we've seen with the callsign N6DRT, oldest first.
- Thompson, Don R ID2026-04-30 active
- TYLER, DAVID B— → cancelled 1998-03-03