Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7DRT callsign genealogy
Currently held by Thomson, Daniel R
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 KB7DRT's current licensee, walking backwards.
- THOMSON, DANIEL RIDgranted 2018-11-13cancelled 2019-03-29
Successor callsigns
Callsigns held now by people who previously held KB7DRT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7DRT, oldest first.
- PERRY, ANNA M OR1991-11-26 → cancelled 2003-11-27
- Thomson, Daniel R NM2019-03-29 active