FRN Lookup
FRN Details
FRN: 0028057511
Name: Castenholz, Frederick R
Contact: Frederick Castenholz
City/State: Ann Arbor, MI
Last seen: 2025-11-25 00:00:00+00
Associated Amateur Licenses
| Callsign | Status | Service | Grant | Expiry | Cancelled |
|---|---|---|---|---|---|
| K8IK | A | HV | 2019-05-07 | 2029-05-07 | |
| KE8LCX | C | HA | 2018-12-18 | 2028-12-18 | 2019-05-07 |
Pending / Recent Applications (by FRN)
No pending or recent applications found for this FRN.