Universal Licensing System
WQCB490
Crystal SMR Inc.
License details
| ULS identifier | 2688990 |
|---|
| Call sign | WQCB490 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2024-12-11 |
|---|
| Expiration | 2035-01-24 |
|---|
| Frequency range | 482.7625 - 493.0125 MHz (4 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | Fremont, ALAMEDA, CA |
|---|
| Coordinates | 37.4998056, -121.8720278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB8 | 482.76250000 | | | 90.000000 | 125.000000 | |
| 4 | 1 | MO8 | 485.76250000 | | | 35.000000 | 70.000000 | |
| 1 | 1 | FB8 | 490.01250000 | | | 125.000000 | 350.000000 | |
| 3 | 1 | FB8 | 490.01250000 | | | 90.000000 | 193.000000 | |
| 2 | 1 | MO8 | 493.01250000 | | | 35.000000 | 70.000000 | |
| 4 | 1 | MO8 | 493.01250000 | | | 35.000000 | 70.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 482.76250000 | | 4K00F1E |
| 3 | 1 | 482.76250000 | | 11K2F3E |
| 3 | 1 | 482.76250000 | | 4K00F1D |
| 4 | 1 | 485.76250000 | | 11K2F3E |
| 4 | 1 | 485.76250000 | | 4K00F1E |
| 4 | 1 | 485.76250000 | | 4K00F1D |
| 1 | 1 | 490.01250000 | | 4K00F1D |
| 1 | 1 | 490.01250000 | | 4K00F1E |
| 1 | 1 | 490.01250000 | | 11K2F3E |
| 1 | 1 | 490.01250000 | | 20K0F3E |
| 3 | 1 | 490.01250000 | | 4K00F1E |
| 3 | 1 | 490.01250000 | | 11K2F3E |
| 3 | 1 | 490.01250000 | | 4K00F1D |
| 3 | 1 | 490.01250000 | | 20K0F3E |
| 2 | 1 | 493.01250000 | | 11K2F3E |
| 2 | 1 | 493.01250000 | | 4K00F1D |
| 2 | 1 | 493.01250000 | | 20K0F3E |
| 2 | 1 | 493.01250000 | | 4K00F1E |
| 4 | 1 | 493.01250000 | | 20K0F3E |
| 4 | 1 | 493.01250000 | | 11K2F3E |
| 4 | 1 | 493.01250000 | | 4K00F1E |
| 4 | 1 | 493.01250000 | | 4K00F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Mission Peak, Fremont, ALAMEDA, CA | 37.49980556, -121.87202778 | 803.000 m | GTOWER | 21.000 m structure / 21.000 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | HIHO RIDGE, LIVERMORE, ALAMEDA, CA | 37.51225000, -121.69938889 | 1168.800 m | LTOWER | 18.000 m structure / 18.000 m overall | N |
| 4 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | | | 603.400 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | T | | 18.000 m | | | | 558.000 | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1601 Neptune Drive, San Leandro, CA | ALAMEDA | 5108959500 |
License history
| Date | File or call sign | Action |
|---|
| 2024-12-11 | WQCB490 | LIREN |
| 2024-10-28 | WQCB490 | LETRES |
| 2023-05-23 | WQCB490 | LIMOD |
| 2023-05-22 | WQCB490 | COR |
| 2015-01-27 | WQCB490 | LIREN |
| 2014-11-03 | WQCB490 | LETRES |
| 2013-01-01 | WQCB490 | LIMOD |
| 2012-12-31 | WQCB490 | ESUAPR |
| 2005-10-24 | WQCB490 | LETCNS |
| 2005-01-24 | WQCB490 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2688990 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQCB490 | ULS 2688990 | 2026-08-02 01:14:20 |
| Status | A | ULS 2688990 | 2026-08-02 01:14:20 |
| Service | YG | ULS 2688990 | 2026-08-02 01:14:20 |
| Grant Date | 2024-12-11 | ULS 2688990 | 2026-08-02 01:14:20 |
| Expiration Date | 2035-01-24 | ULS 2688990 | 2026-08-02 01:14:20 |