Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5HWZ callsign genealogy
Currently held by EMMERLING, WILLIAM J
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 W5HWZ's current licensee, walking backwards.
- EMMERLING, WILLIAM JCOgranted 2016-03-02cancelled 2017-11-21
Successor callsigns
Callsigns held now by people who previously held W5HWZ.
- EMMERLING, WILLIAM JCOgranted 2025-03-08
All historical holders
Every license row we've seen with the callsign W5HWZ, oldest first.
- KEESEE, A R OK2005-01-27 → cancelled 2017-04-25
- EMMERLING, WILLIAM J CO2017-11-21 → cancelled 2025-03-08