Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4YJC callsign genealogy
Currently held by KEIL, DAVID M
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 KC4YJC's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC4YJC.
- KEIL, DAVID MWIgranted 2013-01-23cancelled 2025-04-01