Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K9SUB callsign genealogy
Currently held by JOY, EDWARD J
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 K9SUB's current licensee, walking backwards.
- Ruiz, Michael GNYgranted 2016-08-23cancelled 2016-10-18
Successor callsigns
Callsigns held now by people who previously held K9SUB.
- Ruiz, Michael GNYgranted 2024-11-13
All historical holders
Every license row we've seen with the callsign K9SUB, oldest first.
- JOY, EDWARD J IN2000-02-25 → cancelled 2012-02-28
- Ruiz, Michael G NY2016-10-18 → cancelled 2024-11-13