Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1ZHR callsign genealogy
Currently held by HIRSHHORN, GORDON L
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 K1ZHR's current licensee, walking backwards.
- HIRSHHORN, GORDON LCTgranted 2008-04-23cancelled 2008-05-20
Successor callsigns
Callsigns held now by people who previously held K1ZHR.
No current licensee on record previously held this callsign.