Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7DJ callsign genealogy
Currently held by SHEMA, DAVID B
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 KJ7DJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ7DJ.
No current licensee on record previously held this callsign.