Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1JCK callsign genealogy
Currently held by Kilday III, John C
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 W1JCK's current licensee, walking backwards.
- Kilday III, John CMEgranted 2010-08-24cancelled 2010-11-05
Successor callsigns
Callsigns held now by people who previously held W1JCK.
No current licensee on record previously held this callsign.