Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7Y callsign genealogy
Currently held by JACOBI, M DEREK
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 KC7Y's current licensee, walking backwards.
- JACOBI, M DEREKUTgranted 2015-11-03cancelled 2017-07-18
Successor callsigns
Callsigns held now by people who previously held KC7Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7Y, oldest first.
- BARNES, ROBERT G AZ2005-05-05 → cancelled 2017-06-02
- Cuccia, Dean A WA2017-06-20 → cancelled 2017-06-28
- JACOBI, M DEREK UT2017-07-18 active