Universal Licensing System
WRBV344
Zipline International Inc.
License details
| ULS identifier | 4061034 |
|---|
| Call sign | WRBV344 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2018-06-28 |
|---|
| Expiration | 2028-06-28 |
|---|
| Frequency range | 451.4875 - 457.8625 MHz (9 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | Half Moon Bay, SAN MATEO, CA |
|---|
| Coordinates | 37.3762778, -122.3960278 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:22:08 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.48750000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 451.48750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 451.51250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 451.51250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 451.97500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 451.97500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.31250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 452.31250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.81250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 452.81250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 456.48750000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 456.48750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 456.51250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 456.51250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 456.97500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.31250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 457.31250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.78750000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 457.78750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.86250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 457.86250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.48750000 | | 11K2F3E |
| 4 | 1 | 451.48750000 | | 11K2F3E |
| 3 | 1 | 451.51250000 | | 11K2F3E |
| 4 | 1 | 451.51250000 | | 11K2F3E |
| 1 | 1 | 451.97500000 | | 11K2F3E |
| 2 | 1 | 451.97500000 | | 11K2F3E |
| 3 | 1 | 452.31250000 | | 11K2F3E |
| 4 | 1 | 452.31250000 | | 11K2F3E |
| 3 | 1 | 452.81250000 | | 11K2F3E |
| 4 | 1 | 452.81250000 | | 11K2F3E |
| 3 | 1 | 456.48750000 | | 11K2F3E |
| 4 | 1 | 456.48750000 | | 11K2F3E |
| 3 | 1 | 456.51250000 | | 11K2F3E |
| 4 | 1 | 456.51250000 | | 11K2F3E |
| 2 | 1 | 456.97500000 | | 11K2F3E |
| 3 | 1 | 457.31250000 | | 11K2F3E |
| 4 | 1 | 457.31250000 | | 11K2F3E |
| 3 | 1 | 457.78750000 | | 11K2F3E |
| 4 | 1 | 457.78750000 | | 11K2F3E |
| 3 | 1 | 457.86250000 | | 11K2F3E |
| 4 | 1 | 457.86250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 947 Woodbury Lane, Davis, YOLO, CA | 38.64913889, -122.06116667 | 108.000 m | POLE | 15.200 m structure / 15.200 m overall | |
| 2 | T | | | | | | |
| 3 | T | Davis, YOLO, CA | 38.64913889, -122.06116667 | | | | |
| 4 | T | Half Moon Bay, SAN MATEO, CA | 37.37627778, -122.39602778 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.200 m | | | | -62.700 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 947 Woodbury Lane, Davis, CA | YOLO | 9258996766 |
| 2 | 270 Triple D Ranch Rd., Half Moon Bay, CA | SAN MATEO | 9258996766 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-31 | WRBV344 | LIMOD |
| 2025-02-25 | WRBV344 | LETCNS |
| 2024-05-23 | WRBV344 | LIMOD |
| 2018-06-28 | WRBV344 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4061034 | 2026-08-02 01:22:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBV344 | ULS 4061034 | 2026-08-02 01:22:08 |
| Status | A | ULS 4061034 | 2026-08-02 01:22:08 |
| Service | IG | ULS 4061034 | 2026-08-02 01:22:08 |
| Grant Date | 2018-06-28 | ULS 4061034 | 2026-08-02 01:22:08 |
| Expiration Date | 2028-06-28 | ULS 4061034 | 2026-08-02 01:22:08 |