Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7JSC callsign genealogy
Currently held by Clarke IV, James 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 K7JSC's current licensee, walking backwards.
- Clarke Iv, James SUTgranted 2002-10-15cancelled 2012-07-20
Successor callsigns
Callsigns held now by people who previously held K7JSC.
No current licensee on record previously held this callsign.