Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7SC callsign genealogy
Currently held by CHERESNIK, STEFAN
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 KK7SC's current licensee, walking backwards.
- CHERESNIK, STEFANWAgranted 2021-07-13cancelled 2021-08-28
Successor callsigns
Callsigns held now by people who previously held KK7SC.
- Bush Jr, James LWAgranted 2017-01-12
All historical holders
Every license row we've seen with the callsign KK7SC, oldest first.
- CHERESNIK, STEFAN WA2021-08-28 active
- BUSH JR, JAMES L— → cancelled 1999-05-04