Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7RDH callsign genealogy
Currently held by Heintz, Jon 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 W7RDH's current licensee, walking backwards.
- Heintz, Jon RAZgranted 2002-10-29cancelled 2009-03-14
Successor callsigns
Callsigns held now by people who previously held W7RDH.
No current licensee on record previously held this callsign.