Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8QZU callsign genealogy
Currently held by HEFFELFINGER, WAYNE 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 W8QZU's current licensee, walking backwards.
- HEFFELFINGER, WAYNE JOHgranted 2024-06-04cancelled 2024-12-06
Successor callsigns
Callsigns held now by people who previously held W8QZU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8QZU, oldest first.
- HEFFELFINGER, WAYNE J OH2024-01-30 → cancelled 2024-05-26
- HEFFELFINGER, WAYNE J OH2024-12-06 active