Universal Licensing System
WQLX441
License details
| ULS identifier | 3198483 |
|---|---|
| Call sign | WQLX441 |
| Radio service | YG |
| Status | A |
| Grant date | 2021-01-20 |
| Expiration | 2030-05-18 |
| Frequency range | 483.21875 - 493.55 MHz (9 frequencies) |
| Locations | 8 |
| Representative location | OAKLAND, CONTRA COSTA, CA |
| Coordinates | 37.8532500, -122.2094167 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:14:20 |
Licensee
| Name | Crystal SMR Inc |
|---|---|
| Applicant type | C |
| FRN | 0005749403 |
| Location | San Leandro, CA |
| Address | 1601 Neptune Drive, San Leandro, CA, 94577 |
| Phone | 5108959500 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB8 | 482.55000000 | 150.000000 | 1000.000000 | |||
| 1 | 1 | FB8 | 482.90000000 | 150.000000 | 1000.000000 | |||
| 7 | 1 | FB8 | 483.21875000 | 25.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 483.22500000 | 150.000000 | 1000.000000 | |||
| 7 | 1 | FB8 | 483.22500000 | 25.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 483.52500000 | 150.000000 | 1000.000000 | |||
| 5 | 1 | FB8 | 483.52500000 | 25.000000 | 40.000000 | |||
| 9 | 1 | FB8 | 483.52500000 | 25.000000 | 40.000000 | |||
| 9 | 1 | FB8 | 483.80625000 | 25.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 483.87500000 | 150.000000 | 1000.000000 | |||
| 1 | 1 | FB8 | 484.20000000 | 150.000000 | 1000.000000 | |||
| 1 | 1 | FB8 | 484.55000000 | 150.000000 | 1000.000000 | |||
| 3 | 1 | FB8 | 484.89375000 | 25.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 484.90000000 | 150.000000 | 1000.000000 | |||
| 3 | 1 | FB8 | 484.90000000 | 25.000000 | 40.000000 | |||
| 2 | 1 | MO8 | 485.55000000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 485.90000000 | 75.000000 | 200.000000 | |||
| 8 | 1 | MO8 | 486.21875000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 486.22500000 | 75.000000 | 200.000000 | |||
| 8 | 1 | MO8 | 486.22500000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 486.52500000 | 75.000000 | 200.000000 | |||
| 6 | 1 | MO8 | 486.52500000 | 75.000000 | 200.000000 | |||
| 10 | 1 | MO8 | 486.52500000 | 75.000000 | 200.000000 | |||
| 10 | 1 | MO8 | 486.80625000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 486.87500000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 487.20000000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 487.55000000 | 75.000000 | 200.000000 | |||
| 4 | 1 | MO8 | 487.89375000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 487.90000000 | 75.000000 | 200.000000 | |||
| 4 | 1 | MO8 | 487.90000000 | 75.000000 | 200.000000 | |||
| 1 | 1 | FB8 | 489.47500000 | 150.000000 | 1000.000000 | |||
| 1 | 1 | FB8 | 490.55000000 | 150.000000 | 1000.000000 | |||
| 5 | 1 | FB8 | 490.55000000 | 25.000000 | 40.000000 | |||
| 2 | 1 | MO8 | 492.47500000 | 75.000000 | 200.000000 | |||
| 2 | 1 | MO8 | 493.55000000 | 75.000000 | 200.000000 | |||
| 6 | 1 | MO8 | 493.55000000 | 75.000000 | 200.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 482.55000000 | 4K00F7W | |
| 1 | 1 | 482.55000000 | 4K00F2D | |
| 1 | 1 | 482.90000000 | 4K00F7W | |
| 1 | 1 | 482.90000000 | 4K00F2D | |
| 7 | 1 | 483.21875000 | 4K00F7W | |
| 7 | 1 | 483.21875000 | 4K00F2D | |
| 1 | 1 | 483.22500000 | 4K00F7W | |
| 1 | 1 | 483.22500000 | 4K00F2D | |
| 7 | 1 | 483.22500000 | 4K00F2D | |
| 7 | 1 | 483.22500000 | 4K00F7W | |
| 1 | 1 | 483.52500000 | 4K00F2D | |
| 1 | 1 | 483.52500000 | 4K00F7W | |
| 5 | 1 | 483.52500000 | 4K00F7W | |
| 5 | 1 | 483.52500000 | 4K00F2D | |
| 9 | 1 | 483.52500000 | 4K00F7W | |
| 9 | 1 | 483.52500000 | 4K00F2D | |
| 9 | 1 | 483.80625000 | 4K00F2D | |
| 9 | 1 | 483.80625000 | 4K00F7W | |
| 1 | 1 | 483.87500000 | 4K00F2D | |
| 1 | 1 | 483.87500000 | 4K00F7W | |
| 1 | 1 | 484.20000000 | 4K00F2D | |
| 1 | 1 | 484.20000000 | 4K00F7W | |
| 1 | 1 | 484.55000000 | 4K00F2D | |
| 1 | 1 | 484.55000000 | 4K00F7W | |
| 3 | 1 | 484.89375000 | 4K00F2D | |
| 3 | 1 | 484.89375000 | 4K00F7W | |
| 1 | 1 | 484.90000000 | 4K00F7W | |
| 1 | 1 | 484.90000000 | 4K00F2D | |
| 3 | 1 | 484.90000000 | 4K00F2D | |
| 3 | 1 | 484.90000000 | 4K00F7W | |
| 2 | 1 | 485.55000000 | 4K00F7W | |
| 2 | 1 | 485.55000000 | 4K00F2D | |
| 2 | 1 | 485.90000000 | 4K00F7W | |
| 2 | 1 | 485.90000000 | 4K00F2D | |
| 8 | 1 | 486.21875000 | 4K00F7W | |
| 8 | 1 | 486.21875000 | 4K00F2D | |
| 2 | 1 | 486.22500000 | 4K00F2D | |
| 2 | 1 | 486.22500000 | 4K00F7W | |
| 8 | 1 | 486.22500000 | 4K00F7W | |
| 8 | 1 | 486.22500000 | 4K00F2D | |
| 2 | 1 | 486.52500000 | 4K00F7W | |
| 2 | 1 | 486.52500000 | 4K00F2D | |
| 6 | 1 | 486.52500000 | 4K00F7W | |
| 6 | 1 | 486.52500000 | 4K00F2D | |
| 10 | 1 | 486.52500000 | 4K00F7W | |
| 10 | 1 | 486.52500000 | 4K00F2D | |
| 10 | 1 | 486.80625000 | 4K00F7W | |
| 10 | 1 | 486.80625000 | 4K00F2D | |
| 2 | 1 | 486.87500000 | 4K00F7W | |
| 2 | 1 | 486.87500000 | 4K00F2D | |
| 2 | 1 | 487.20000000 | 4K00F2D | |
| 2 | 1 | 487.20000000 | 4K00F7W | |
| 2 | 1 | 487.55000000 | 4K00F2D | |
| 2 | 1 | 487.55000000 | 4K00F7W | |
| 4 | 1 | 487.89375000 | 4K00F2D | |
| 4 | 1 | 487.89375000 | 4K00F7W | |
| 2 | 1 | 487.90000000 | 4K00F7W | |
| 2 | 1 | 487.90000000 | 4K00F2D | |
| 4 | 1 | 487.90000000 | 4K00F2D | |
| 4 | 1 | 487.90000000 | 4K00F7W | |
| 1 | 1 | 489.47500000 | 4K00F2D | |
| 1 | 1 | 489.47500000 | 4K00F7W | |
| 1 | 1 | 490.55000000 | 4K00F2D | |
| 1 | 1 | 490.55000000 | 4K00F7W | |
| 5 | 1 | 490.55000000 | 4K00F2D | |
| 5 | 1 | 490.55000000 | 4K00F7W | |
| 2 | 1 | 492.47500000 | 4K00F2D | |
| 2 | 1 | 492.47500000 | 4K00F7W | |
| 2 | 1 | 493.55000000 | 4K00F2D | |
| 2 | 1 | 493.55000000 | 4K00F7W | |
| 6 | 1 | 493.55000000 | 4K00F2D | |
| 6 | 1 | 493.55000000 | 4K00F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | Twin Peaks 101 Palo Alto Avenue, San Francisco, SAN FRANCISCO, CA | 37.75686111, -122.44911111 | 240.900 m | BTWR | 18.300 m structure / 18.300 m overall | N |
| 2 | T | N | |||||
| 3 | T | GRIZZLY PEAK, OAKLAND, CONTRA COSTA, CA | 37.85325000, -122.20941667 | 426.000 m | POLE | 42.000 m structure / 49.000 m overall | N |
| 4 | T | N | |||||
| 5 | T | Off of Cherry Glen Rd, VACAVILLE, SOLANO, CA | 38.33816667, -122.02888889 | 139.000 m | LTOWER | 4.500 m structure / 4.500 m overall | N |
| 6 | T | N | |||||
| 7 | T | VALLEJO, VALLEJO, SOLANO, CA | 38.11047222, -122.17505556 | 288.000 m | GTOWER | 18.000 m structure / 18.000 m overall | N |
| 8 | T | N | |||||
| 9 | T | ALLISON, FREMONT, ALAMEDA, CA | 37.49980556, -121.87202778 | 790.000 m | GTOWER | 21.000 m structure / 21.000 m overall | N |
| 10 | T | Fremont, ALAMEDA, CA | 37.53666667, -122.08569444 | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 18.300 m | 230.000 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 49.000 m | 335.500 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 4.500 m | 19.800 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 18.000 m | 251.700 | |||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | 21.000 m | 590.600 | |||||
| 1 | 10 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 1601 Neptune Drive, San Leandro, CA | ALAMEDA | 5108959500 |
Special conditions
| Type | Condition code |
|---|---|
| P | 5118 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2024-12-12 | WQLX441 | LIASS |
| 2023-05-31 | WQLX441 | LETCNS |
| 2022-08-29 | WQLX441 | LIMOD |
| 2021-01-20 | WQLX441 | LIREN |
| 2020-02-24 | WQLX441 | LETRES |
| 2011-02-15 | WQLX441 | LETCNS |
| 2011-01-31 | WQLX441 | LIASS |
| 2011-01-03 | WQLX441 | LTSAPR |
| 2010-05-18 | WQLX441 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 3198483 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WQLX441 | ULS 3198483 | 2026-08-02 01:14:20 |
| Status | A | ULS 3198483 | 2026-08-02 01:14:20 |
| Service | YG | ULS 3198483 | 2026-08-02 01:14:20 |
| Grant Date | 2021-01-20 | ULS 3198483 | 2026-08-02 01:14:20 |
| Expiration Date | 2030-05-18 | ULS 3198483 | 2026-08-02 01:14:20 |