Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7I callsign genealogy
Currently held by Roth, William M
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 KC7I's current licensee, walking backwards.
- Roth, William MORgranted 2003-03-26cancelled 2009-03-31
Successor callsigns
Callsigns held now by people who previously held KC7I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7I, oldest first.
- JULIAN LEWIS, MICHAEL D OR1997-02-12 → cancelled 2009-02-13
- Roth, William M OR2019-02-26 active