Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RDT callsign genealogy
Currently held by Thorp, Roy D
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 K7RDT's current licensee, walking backwards.
- Thorp, Roy DWAgranted 2020-03-30cancelled 2020-05-22
Successor callsigns
Callsigns held now by people who previously held K7RDT.
No current licensee on record previously held this callsign.