Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JSC callsign genealogy
Currently held by Campbell, Jeffrey 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 K4JSC's current licensee, walking backwards.
- Campbell, Jeffrey SSCgranted 2006-02-07cancelled 2008-12-02
Successor callsigns
Callsigns held now by people who previously held K4JSC.
No current licensee on record previously held this callsign.