Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CWK callsign genealogy
Currently held by Haselden SR, Richard 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 K4CWK's current licensee, walking backwards.
- HASELDEN SR, RICHARD JSCgranted 1998-11-10cancelled 2002-05-07
Successor callsigns
Callsigns held now by people who previously held K4CWK.
No current licensee on record previously held this callsign.