Universal Licensing System
WIL637
CRYSTAL SMR INC
License details
| ULS identifier | 1923793 |
|---|
| Call sign | WIL637 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2024-10-23 |
|---|
| Expiration | 2034-11-04 |
|---|
| Frequency range | 489.2625 - 492.2625 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| 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 | 489.26250000 | | | 90.000000 | 413.000000 | |
| 2 | 1 | FB8 | 489.26250000 | | | 125.000000 | 350.000000 | |
| 3 | 1 | FB8 | 489.26250000 | | | 60.000000 | 163.000000 | |
| 4 | 1 | MO | 489.26250000 | | | 25.000000 | 63.000000 | |
| 6 | 1 | MO | 489.26250000 | | | 25.000000 | 63.000000 | |
| 7 | 1 | MO | 489.26250000 | | | 25.000000 | 63.000000 | |
| 4 | 1 | MO | 492.26250000 | | | 25.000000 | 63.000000 | |
| 5 | 1 | FX1T | 492.26250000 | | | 25.000000 | 63.000000 | |
| 6 | 1 | MO | 492.26250000 | | | 25.000000 | 63.000000 | |
| 7 | 1 | MO | 492.26250000 | | | 25.000000 | 63.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 489.26250000 | | 20K0F3E |
| 1 | 1 | 489.26250000 | | 11K2F3E |
| 2 | 1 | 489.26250000 | | 20K0F3E |
| 2 | 1 | 489.26250000 | | 11K2F3E |
| 3 | 1 | 489.26250000 | | 11K2F3E |
| 3 | 1 | 489.26250000 | | 20K0F3E |
| 4 | 1 | 489.26250000 | | 11K2F3E |
| 4 | 1 | 489.26250000 | | 20K0F3E |
| 6 | 1 | 489.26250000 | | 20K0F3E |
| 6 | 1 | 489.26250000 | | 11K2F3E |
| 7 | 1 | 489.26250000 | | 20K0F3E |
| 7 | 1 | 489.26250000 | | 11K2F3E |
| 4 | 1 | 492.26250000 | | 11K2F3E |
| 4 | 1 | 492.26250000 | | 20K0F3E |
| 5 | 1 | 492.26250000 | | 11K2F3E |
| 5 | 1 | 492.26250000 | | 20K0F3E |
| 6 | 1 | 492.26250000 | | 11K2F3E |
| 6 | 1 | 492.26250000 | | 20K0F3E |
| 7 | 1 | 492.26250000 | | 20K0F3E |
| 7 | 1 | 492.26250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GRIZZLY PEAK, OAKLAND, ALAMEDA, CA | 37.85325000, -122.20941667 | 444.000 m | POLE | 42.000 m structure / 49.000 m overall | N |
| 2 | T | MISSION RIDGE, FREMONT, ALAMEDA, CA | 37.48744444, -121.86855556 | 775.000 m | TOWER | 42.000 m structure / 42.000 m overall | N |
| 3 | T | MOUNT VACA, VACAVILLE, SOLANO, CA | 38.40880556, -122.11052778 | 829.000 m | TOWER | 54.000 m structure / 60.000 m overall | N |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
| 7 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 49.000 m | | | | 354.000 | |
| 1 | 2 | T | | 42.000 m | | | | 586.000 | |
| 1 | 3 | T | | 30.000 m | | | | 623.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1601 NEPTUNE DR, SAN LEANDRO, CA | | 5108959500 |
License history
| Date | File or call sign | Action |
|---|
| 2024-10-23 | WIL637 | LIREN |
| 2014-11-06 | WIL637 | LIREN |
| 2014-08-11 | WIL637 | LETRES |
| 2013-01-01 | WIL637 | LIMOD |
| 2013-01-01 | WIL637 | LTSAPR |
| 2004-11-03 | WIL637 | LIREN |
| 2004-08-09 | WIL637 | LETRES |
| 2002-02-25 | WIL637 | AUDOPR |
| 2001-03-27 | WIL637 | COR |
| 2000-11-24 | WIL637 | LICCNV |
| 1999-12-02 | WIL637 | LIMOD |
| 1999-12-02 | WIL637 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1923793 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIL637 | ULS 1923793 | 2026-08-02 01:14:20 |
| Status | A | ULS 1923793 | 2026-08-02 01:14:20 |
| Service | YG | ULS 1923793 | 2026-08-02 01:14:20 |
| Grant Date | 2024-10-23 | ULS 1923793 | 2026-08-02 01:14:20 |
| Expiration Date | 2034-11-04 | ULS 1923793 | 2026-08-02 01:14:20 |