Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4DCH callsign genealogy
Currently held by HECK, DONALD C
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 N4DCH's current licensee, walking backwards.
- HECK, DONALD CVAgranted 1999-06-30cancelled 2008-02-16
Successor callsigns
Callsigns held now by people who previously held N4DCH.
No current licensee on record previously held this callsign.