Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9STU callsign genealogy
Currently held by Dhahran Amateur Radio Club Of America
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 KD9STU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD9STU.
- AB1HZactiveDhahran Amateur Radio Club Of AmericaINgranted 2021-06-22