Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HEF callsign genealogy
Currently held by HEFFNER, CRAIG J
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 W4HEF's current licensee, walking backwards.
- HEFFNER, CRAIG JMDgranted 2006-09-19cancelled 2015-09-01
Successor callsigns
Callsigns held now by people who previously held W4HEF.
No current licensee on record previously held this callsign.