Universal Licensing System
WRWB274
ECOBAT RESOURCES CALIFORNIA, INC
License details
| ULS identifier | 4718410 |
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| Call sign | WRWB274 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-02-01 |
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| Expiration | 2033-02-01 |
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| Frequency range | 452.975 - 469.775 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | CITY OF INDUSTRY, LOS ANGELES, CA |
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| Coordinates | 34.0258333, -117.9833611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 452.97500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 461.30000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.12500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 463.60000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 463.62500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 464.77500000 | | | 40.000000 | 50.000000 | |
| 2 | 1 | MO | 464.77500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.77500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.97500000 | | 11K2F3E |
| 3 | 1 | 452.97500000 | | 7K60FXE |
| 3 | 1 | 461.30000000 | | 7K60FXE |
| 3 | 1 | 461.30000000 | | 11K2F3E |
| 3 | 1 | 462.12500000 | | 7K60FXE |
| 3 | 1 | 462.12500000 | | 11K2F3E |
| 3 | 1 | 463.60000000 | | 11K2F3E |
| 3 | 1 | 463.60000000 | | 7K60FXE |
| 3 | 1 | 463.62500000 | | 7K60FXE |
| 3 | 1 | 463.62500000 | | 11K2F3E |
| 1 | 1 | 464.77500000 | | 11K2F3E |
| 1 | 1 | 464.77500000 | | 7K60FXE |
| 2 | 1 | 464.77500000 | | 7K60FXE |
| 2 | 1 | 464.77500000 | | 11K2F3E |
| 2 | 1 | 469.77500000 | | 7K60FXE |
| 2 | 1 | 469.77500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 720 S. 7TH AVE., CITY OF INDUSTRY, LOS ANGELES, CA | 34.02583333, -117.98336111 | 88.000 m | BANT | 12.000 m structure / 14.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | CITY OF INDUSTRY, LOS ANGELES, CA | 34.02583333, -117.98336111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | -37.300 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 720 S. 7TH AVE, CITY OF INDUSTRY, CA | LOS ANGELES | 6269373258 |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-01 | WRWB274 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4718410 | 2026-08-02 01:23:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWB274 | ULS 4718410 | 2026-08-02 01:23:08 |
| Status | A | ULS 4718410 | 2026-08-02 01:23:08 |
| Service | IG | ULS 4718410 | 2026-08-02 01:23:08 |
| Grant Date | 2023-02-01 | ULS 4718410 | 2026-08-02 01:23:08 |
| Expiration Date | 2033-02-01 | ULS 4718410 | 2026-08-02 01:23:08 |