Universal Licensing System
WPSF637
CRYSTAL SMR INC
License details
| ULS identifier | 1958816 |
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| Call sign | WPSF637 |
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| Radio service | YG |
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| Status | A |
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| Grant date | 2021-04-12 |
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| Expiration | 2031-04-09 |
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| Frequency range | 483.9125 - 486.9125 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | VACAVILLE, SOLANO, CA |
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| Coordinates | 38.4087778, -122.1105000 |
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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 |
|---|
| 1 | 1 | FB8 | 483.91250000 | | | 100.000000 | 163.000000 | |
| 2 | 1 | FB8 | 483.91250000 | | | 100.000000 | 119.000000 | |
| 4 | 1 | MO8 | 486.91250000 | | | 25.000000 | 63.000000 | |
| 5 | 1 | MO8 | 486.91250000 | | | 25.000000 | 63.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 483.91250000 | | 20K0F3E |
| 1 | 1 | 483.91250000 | | 4K00F1E |
| 1 | 1 | 483.91250000 | | 4K00F1D |
| 1 | 1 | 483.91250000 | | 11K2F3E |
| 2 | 1 | 483.91250000 | | 20K0F3E |
| 2 | 1 | 483.91250000 | | 11K2F3E |
| 2 | 1 | 483.91250000 | | 4K00F1D |
| 2 | 1 | 483.91250000 | | 4K00F1E |
| 4 | 1 | 486.91250000 | | 4K00F1E |
| 4 | 1 | 486.91250000 | | 11K2F3E |
| 4 | 1 | 486.91250000 | | 20K0F3E |
| 4 | 1 | 486.91250000 | | 4K00F1D |
| 5 | 1 | 486.91250000 | | 4K00F1D |
| 5 | 1 | 486.91250000 | | 20K0F3E |
| 5 | 1 | 486.91250000 | | 11K2F3E |
| 5 | 1 | 486.91250000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MT VACA, VACAVILLE, SOLANO, CA | 38.40877778, -122.11050000 | 829.000 m | LTOWER | 61.000 m structure / 61.000 m overall | N |
| 2 | T | 153000 Soda Springs Rd, LOS GATOS, SANTA CLARA, CA | 37.16711111, -121.92433333 | 1036.900 m | LTOWER | 42.700 m structure / 42.700 m overall | N |
| 4 | T | | | | | | N |
| 5 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 26.000 m | | | | 591.800 | |
| 1 | 2 | T | | 30.000 m | | | | 720.500 | |
| 1 | 4 | | | | | | | | |
| 1 | 5 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1601 NEPTUNE DR, SAN LEANDRO, CA | ALAMEDA | 5108959500 |
License history
| Date | File or call sign | Action |
|---|
| 2021-11-18 | WPSF637 | LIMOD |
| 2021-11-18 | WPSF637 | COR |
| 2021-04-12 | WPSF637 | LIREN |
| 2021-01-11 | WPSF637 | LETRES |
| 2013-01-01 | WPSF637 | LIMOD |
| 2013-01-01 | WPSF637 | LTSAPR |
| 2011-11-21 | WPSF637 | LIPASS |
| 2011-08-04 | WPSF637 | LTSAPR |
| 2011-03-24 | WPSF637 | AUTHPR |
| 2011-01-14 | WPSF637 | LIREN |
| 2002-02-25 | WPSF637 | AUDOPR |
| 2001-04-09 | WPSF637 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1958816 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPSF637 | ULS 1958816 | 2026-08-02 01:14:20 |
| Status | A | ULS 1958816 | 2026-08-02 01:14:20 |
| Service | YG | ULS 1958816 | 2026-08-02 01:14:20 |
| Grant Date | 2021-04-12 | ULS 1958816 | 2026-08-02 01:14:20 |
| Expiration Date | 2031-04-09 | ULS 1958816 | 2026-08-02 01:14:20 |