Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ7JSC callsign genealogy
Currently held by CLARK, JUSTIN S
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 KJ7JSC's current licensee, walking backwards.
- CLARK, JUSTIN SAZgranted 2018-09-10cancelled 2018-09-28
Successor callsigns
Callsigns held now by people who previously held KJ7JSC.
- CLARK, JUSTIN SAZgranted 2019-07-02