Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI6SJ callsign genealogy
Currently held by Zavelson-Cox, William 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 AI6SJ's current licensee, walking backwards.
- Zavelson-Cox, William DCAgranted 2016-05-27cancelled 2016-08-23
Successor callsigns
Callsigns held now by people who previously held AI6SJ.
- Zavelson-Cox, William DCAgranted 2021-08-10