Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7SY callsign genealogy
Currently held by HARRIS, BLAINE A
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 KK7SY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK7SY.
- Harris, Blaine AAZgranted 2003-03-03cancelled 2011-09-02
All historical holders
Every license row we've seen with the callsign KK7SY, oldest first.
- HARRIS, BLAINE A AZ1999-05-04 → cancelled 2000-06-10
- Harris, Blaine A AZ2021-08-06 active