Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WHC callsign genealogy
Currently held by COLLINS, WILLIAM 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 K4WHC's current licensee, walking backwards.
- Collins, William HKYgranted 2009-09-28cancelled 2010-09-11
Successor callsigns
Callsigns held now by people who previously held K4WHC.
No current licensee on record previously held this callsign.