Universal Licensing System
WSDU321
Humboldt Community Services District
License details
| ULS identifier | 4981970 |
|---|---|
| Call sign | WSDU321 |
| 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 | 40.7762500, -124.1930556 |
| 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 | 6.800000 | |||
| 2 | 1 | FXO | 453.16250000 | 2.500000 | 6.800000 | |||
| 3 | 1 | FXO | 453.16250000 | 2.500000 | 27.000000 | |||
| 4 | 1 | FXO | 453.16250000 | 2.500000 | 13.600000 | |||
| 5 | 1 | FXO | 453.16250000 | 2.500000 | 6.800000 | |||
| 6 | 1 | FXO | 453.16250000 | 2.500000 | 6.800000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 453.16250000 | 11K2D1D | |
| 1 | 1 | 453.16250000 | 11K2F1D | |
| 2 | 1 | 453.16250000 | 11K2F1D | |
| 2 | 1 | 453.16250000 | 11K2D1D | |
| 3 | 1 | 453.16250000 | 11K2D1D | |
| 3 | 1 | 453.16250000 | 11K2F1D | |
| 4 | 1 | 453.16250000 | 11K2F1D | |
| 4 | 1 | 453.16250000 | 11K2D1D | |
| 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 | Truesdale St, Eureka, HUMBOLDT, CA | 40.77625000, -124.19305556 | 3.300 m | BMAST | 6.100 m structure / 6.100 m overall | |
| 2 | T | Hubbard Lane, Eureka, HUMBOLDT, CA | 40.78077778, -124.13016667 | 41.800 m | BMAST | 6.100 m structure / 6.100 m overall | |
| 3 | T | Pigeon Point Road, Eureka, HUMBOLDT, CA | 40.77658333, -124.10230556 | 49.100 m | BMAST | 6.100 m structure / 6.100 m overall | |
| 4 | T | Mitchell Rd, Eureka, HUMBOLDT, CA | 40.77227778, -124.11583333 | 51.000 m | BMAST | 6.100 m structure / 6.100 m overall | |
| 5 | T | Kluck Lane, Eureka, HUMBOLDT, CA | 40.76238889, -124.10702778 | 88.600 m | BMAST | 6.100 m structure / 6.100 m overall | |
| 6 | T | Allard St, Eureka, HUMBOLDT, CA | 40.77333333, -124.18650000 | 13.100 m | UPOLE | 3.000 m structure / 3.000 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 | -32.300 | |||
| 1 | 2 | T | 6.100 m | -53.300 | |||||
| 1 | 3 | T | 6.100 m | -83.900 | |||||
| 1 | 4 | T | 6.100 m | -69.200 | |||||
| 1 | 5 | T | 6.100 m | -51.200 | |||||
| 1 | 6 | T | 3.000 m | -32.300 |
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 | WSDU321 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4981970 | 2026-08-02 01:16:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WSDU321 | ULS 4981970 | 2026-08-02 01:16:42 |
| Status | A | ULS 4981970 | 2026-08-02 01:16:42 |
| Service | PW | ULS 4981970 | 2026-08-02 01:16:42 |
| Grant Date | 2024-07-16 | ULS 4981970 | 2026-08-02 01:16:42 |
| Expiration Date | 2034-07-16 | ULS 4981970 | 2026-08-02 01:16:42 |