Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7GRH callsign genealogy
Currently held by HALLENBECK, GERALD 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 W7GRH's current licensee, walking backwards.
- HALLENBECK, GERALD RWAgranted 2005-02-16cancelled 2005-04-02
Successor callsigns
Callsigns held now by people who previously held W7GRH.
No current licensee on record previously held this callsign.