Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4DWT callsign genealogy
Currently held by Thompson, Dennis W
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 KA4DWT's current licensee, walking backwards.
- Thompson, Dennis WGAgranted 2023-06-08cancelled 2023-09-06
Successor callsigns
Callsigns held now by people who previously held KA4DWT.
- Thompson, Dennis WGAgranted 2024-02-24