Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WJ4CK callsign genealogy
Currently held by MOORE, JACK D
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 WJ4CK's current licensee, walking backwards.
- MOORE, JACK DNCgranted 2017-07-21cancelled 2017-10-13
Successor callsigns
Callsigns held now by people who previously held WJ4CK.
No current licensee on record previously held this callsign.