Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1TDA callsign genealogy
Currently held by Ashworth Jr, Thomas 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 KA1TDA's current licensee, walking backwards.
- Ashworth Jr, Thomas DGAgranted 2010-03-26cancelled 2013-11-09
Successor callsigns
Callsigns held now by people who previously held KA1TDA.
- Ashworth Jr, Thomas DGAgranted 2017-02-25