Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8TDA callsign genealogy
Currently held by Archibald, 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 K8TDA's current licensee, walking backwards.
- Archibald, Thomas DOHgranted 2018-03-26cancelled 2018-07-28
Successor callsigns
Callsigns held now by people who previously held K8TDA.
No current licensee on record previously held this callsign.