FRN Lookup
FRN Details
FRN: 0003586328
Name: KOOPMANN, WILLIAM F
Contact: WILLIAM KOOPMANN
City/State: GREENWICH, NY
Last seen: 2025-11-25 00:00:00+00
Associated Amateur Licenses
| Callsign | Status | Service | Grant | Expiry | Cancelled |
|---|---|---|---|---|---|
| K2YI | E | HV | 2011-02-17 | 2021-05-08 | 2023-05-09 |
| KB2FZQ | C | HA | 1992-07-28 | 2002-07-28 | 2001-05-08 |
Pending / Recent Applications (by FRN)
No pending or recent applications found for this FRN.