Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4JKC callsign genealogy
Currently held by Crabtree, Keith 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 KC4JKC's current licensee, walking backwards.
- Crabtree, Keith SVAgranted 2002-06-25cancelled 2002-07-16
Successor callsigns
Callsigns held now by people who previously held KC4JKC.
No current licensee on record previously held this callsign.