Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7C callsign genealogy
Currently held by GREFER, JOSEPH P
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 KI7C's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KI7C.
No current licensee on record previously held this callsign.