FRN Lookup
FRN Details
FRN: 0003938404
Name: HEINZINGER JR, WILLIAM J
Contact: WILLIAM HEINZINGER
City/State: HARWOOD HEIGHTS, IL
Last seen: 2025-11-25 00:00:00+00
Associated Amateur Licenses
| Callsign | Status | Service | Grant | Expiry | Cancelled |
|---|---|---|---|---|---|
| W9OL | A | HV | 2016-09-15 | 2026-11-04 |
Pending / Recent Applications (by FRN)
No pending or recent applications found for this FRN.