Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7HDH callsign genealogy
Currently held by Harney County Amateur Radio Emergency Service
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 W7HDH's current licensee, walking backwards.
- KF7CRKcancelledHarney County Amateur Radio Emergency ServiceORgranted 2009-05-19cancelled 2009-06-16
Successor callsigns
Callsigns held now by people who previously held W7HDH.
No current licensee on record previously held this callsign.