Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DNR callsign genealogy
Currently held by HEATH, CHARLES R
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 K4DNR's current licensee, walking backwards.
- HEATH, CHARLES RSCgranted 2004-07-08cancelled 2008-10-21
Successor callsigns
Callsigns held now by people who previously held K4DNR.
No current licensee on record previously held this callsign.