Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS7D callsign genealogy
Currently held by DOWNS, MICHAEL 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 KS7D's current licensee, walking backwards.
- DOWNS, MICHAEL JFLgranted 1996-11-29cancelled 2005-09-02
Successor callsigns
Callsigns held now by people who previously held KS7D.
- DOWNS, MICHAEL JFLgranted 1996-11-29cancelled 2005-09-02
All historical holders
Every license row we've seen with the callsign KS7D, oldest first.
- DOWNS, MICHAEL J FL1996-11-29 → cancelled 2004-12-03
- DOWNS, MICHAEL J FL2025-07-05 active