Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3HAZ callsign genealogy
Currently held by d Esterhazy, Paul O
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 K3HAZ's current licensee, walking backwards.
- Perrier Bear, Courtney RAZgranted 2016-05-10cancelled 2016-12-06
Successor callsigns
Callsigns held now by people who previously held K3HAZ.
- d Esterhazy, Paul OPAgranted 2023-11-09
All historical holders
Every license row we've seen with the callsign K3HAZ, oldest first.
- d Esterhazy, Paul O PA2002-05-07 → cancelled 2003-12-05
- Perrier Bear, Courtney R AZ2016-12-06 active