Universal Licensing System
WSDU318
Humboldt Community Services District
License details
| ULS identifier | 4981967 |
|---|---|
| Call sign | WSDU318 |
| Radio service | PW |
| Status | A |
| Grant date | 2024-07-16 |
| Expiration | 2034-07-16 |
| Frequency range | 453.1625 MHz |
| Locations | 6 |
| Representative location | Eureka, HUMBOLDT, CA |
| Coordinates | 40.7717500, -124.1488611 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:16:42 |
Licensee
| Name | Humboldt Community Services District |
|---|---|
| Applicant type | G |
| FRN | 0001537703 |
| Location | Eureka, CA |
| Address | 5055 Walnut Drive, Eureka, CA, 95534 |
| Phone | 7074434559 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FXO | 453.16250000 | 2.500000 | 13.600000 | |||
| 2 | 1 | FXO | 453.16250000 | 2.500000 | 6.800000 | |||
| 3 | 1 | FXO | 453.16250000 | 2.500000 | 6.800000 | |||
| 4 | 1 | FXO | 453.16250000 | 2.500000 | 6.800000 | |||
| 5 | 1 | FXO | 453.16250000 | 2.500000 | 6.900000 | |||
| 6 | 1 | FXO | 453.16250000 | 2.500000 | 5.800000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 453.16250000 | 11K2F1D | |
| 1 | 1 | 453.16250000 | 11K2D1D | |
| 2 | 1 | 453.16250000 | 11K2D1D | |
| 2 | 1 | 453.16250000 | 11K2F1D | |
| 3 | 1 | 453.16250000 | 11K2D1D | |
| 3 | 1 | 453.16250000 | 11K2F1D | |
| 4 | 1 | 453.16250000 | 11K2D1D | |
| 4 | 1 | 453.16250000 | 11K2F1D | |
| 5 | 1 | 453.16250000 | 11K2D1D | |
| 5 | 1 | 453.16250000 | 11K2F1D | |
| 6 | 1 | 453.16250000 | 11K2F1D | |
| 6 | 1 | 453.16250000 | 11K2D1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | Roth Ct, Eureka, HUMBOLDT, CA | 40.77175000, -124.14886111 | 46.800 m | UPOLE | 6.100 m structure / 6.100 m overall | |
| 2 | T | Liberty Bell Estates, Eureka, HUMBOLDT, CA | 40.76425000, -124.14230556 | 55.000 m | UPOLE | 4.600 m structure / 4.600 m overall | |
| 3 | T | Cedar Ridge, Eureka, HUMBOLDT, CA | 40.76236111, -124.14058333 | 58.100 m | UPOLE | 4.600 m structure / 4.600 m overall | |
| 4 | T | Blackberry Lane, Eureka, HUMBOLDT, CA | 40.75147222, -124.14833333 | 76.700 m | UPOLE | 4.600 m structure / 4.600 m overall | |
| 5 | T | Christine Dr, Eureka, HUMBOLDT, CA | 40.74352778, -124.14272222 | 100.200 m | UPOLE | 4.600 m structure / 4.600 m overall | |
| 6 | T | Beechwood Dr, Eureka, HUMBOLDT, CA | 40.73822222, -124.14150000 | 92.800 m | UPOLE | 6.100 m structure / 6.100 m overall |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 6.100 m | 0.0000 | 0.0000 | -34.700 | |||
| 1 | 2 | T | 4.600 m | -42.000 | |||||
| 1 | 3 | T | 4.600 m | -42.400 | |||||
| 1 | 4 | T | 4.600 m | -21.100 | |||||
| 1 | 5 | T | 4.600 m | -9.300 | |||||
| 1 | 6 | T | 6.100 m | -20.000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 2500 Donna Drive, Eureka, CA | HUMBOLDT | 7074434558 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2024-07-16 | WSDU318 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4981967 | 2026-08-02 01:16:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WSDU318 | ULS 4981967 | 2026-08-02 01:16:42 |
| Status | A | ULS 4981967 | 2026-08-02 01:16:42 |
| Service | PW | ULS 4981967 | 2026-08-02 01:16:42 |
| Grant Date | 2024-07-16 | ULS 4981967 | 2026-08-02 01:16:42 |
| Expiration Date | 2034-07-16 | ULS 4981967 | 2026-08-02 01:16:42 |