Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY7Z callsign genealogy
Currently held by MORRILL, STEWART 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 KY7Z's current licensee, walking backwards.
- Cleverdon, ChristopherIDgranted 2022-06-07cancelled 2022-08-02
Successor callsigns
Callsigns held now by people who previously held KY7Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KY7Z, oldest first.
- MORRILL, STEWART D UT2010-04-21 → cancelled 2022-07-15
- Cleverdon, Christopher ID2022-08-02 active