Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3QZH callsign genealogy
Currently held by KAULBACK, RICHARD H
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 W3QZH's current licensee, walking backwards.
- SAUDER, DONALD ENCgranted 2022-11-29cancelled 2023-01-10
Successor callsigns
Callsigns held now by people who previously held W3QZH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3QZH, oldest first.
- KAULBACK, RICHARD H PA1995-03-27 → cancelled 2007-03-28
- SAUDER, DONALD E NC2023-01-10 active