Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KD8EXT callsign genealogy
Currently held by Smithhisler, Thomas A
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 KD8EXT's current licensee, walking backwards.
- Smithhisler, Thomas AOHgranted 1999-02-09cancelled 2006-12-27
Successor callsigns
Callsigns held now by people who previously held KD8EXT.
No current licensee on record previously held this callsign.