Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4DS callsign genealogy
Currently held by Seymour D-STAR
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 AD4DS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD4DS.
- ELIZER, GEORGE JTNgranted 2016-12-29