Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DJH callsign genealogy
Currently held by HECK, DAVID 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 K9DJH's current licensee, walking backwards.
- HECK, DAVID JINgranted 1997-08-18cancelled 2002-06-15
Successor callsigns
Callsigns held now by people who previously held K9DJH.
No current licensee on record previously held this callsign.