Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4DST callsign genealogy
Currently held by Thomas, Douglas S
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 KA4DST's current licensee, walking backwards.
- Thomas, Douglas SNCgranted 2020-02-18cancelled 2020-05-05
Successor callsigns
Callsigns held now by people who previously held KA4DST.
No current licensee on record previously held this callsign.