Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4QJ callsign genealogy
Currently held by CRAWFORD, JOHN H
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 KW4QJ's current licensee, walking backwards.
- CRAWFORD, JOHN HTNgranted 2015-07-13cancelled 2016-02-08
Successor callsigns
Callsigns held now by people who previously held KW4QJ.
No current licensee on record previously held this callsign.