Universal Licensing System
WPPG637
License details
| ULS identifier | 1759802 |
|---|---|
| Call sign | WPPG637 |
| Radio service | IG |
| Status | E |
| Grant date | 1999-12-10 |
| Expiration | 2004-12-10 |
| Cancellation | 2005-02-12 |
| Frequency range | 484.4125 - 487.4125 MHz (2 frequencies) |
| Locations | 6 |
| Representative location | Los Gatos, SANTA CLARA, CA |
| Coordinates | 37.1672222, -121.9250000 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:24:25 |
Licensee
| Name | CRYSTAL SMR INC |
|---|---|
| Applicant type | C |
| FRN | 0004955720 |
| Location | SAN LEANDRO, CA |
| Address | 1601 NEPTUNE DR, SAN LEANDRO, CA, 94577 |
| Phone | 5108959500 |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB6 | 484.41250000 | 60.000000 | 163.000000 | |||
| 2 | 1 | FB6 | 484.41250000 | 90.000000 | 291.000000 | |||
| 7 | 1 | FB6 | 484.41250000 | 60.000000 | 119.000000 | |||
| 8 | 1 | FB6 | 484.41250000 | 125.000000 | 1000.000000 | |||
| 9 | 1 | FB6 | 484.41250000 | 60.000000 | 44.000000 | |||
| 3 | 1 | MO | 487.41250000 | 25.000000 | 63.000000 | |||
| 4 | 1 | FX1T | 487.41250000 | 20.000000 | 63.000000 | |||
| 5 | 1 | MO | 487.41250000 | 25.000000 | 63.000000 | |||
| 6 | 1 | FX1T | 487.41250000 | 20.000000 | 63.000000 | |||
| 10 | 1 | MO | 487.41250000 | 25.000000 | 63.000000 | |||
| 11 | 1 | MO | 487.41250000 | 25.000000 | 63.000000 | |||
| 12 | 1 | MO | 487.41250000 | 25.000000 | 64.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 484.41250000 | 20K0F3E | |
| 2 | 1 | 484.41250000 | 20K0F3E | |
| 7 | 1 | 484.41250000 | 20K0F3E | |
| 8 | 1 | 484.41250000 | 20K0F3E | |
| 9 | 1 | 484.41250000 | 20K0F3E | |
| 3 | 1 | 487.41250000 | 20K0F3E | |
| 4 | 1 | 487.41250000 | 20K0F3E | |
| 5 | 1 | 487.41250000 | 20K0F3E | |
| 6 | 1 | 487.41250000 | 20K0F3E | |
| 10 | 1 | 487.41250000 | 20K0F3E | |
| 11 | 1 | 487.41250000 | 20K0F3E | |
| 12 | 1 | 487.41250000 | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | MOUNT VACA, VACAVILLE, SOLANO, CA | 38.40880556, -122.11052778 | 829.000 m | TOWER | 54.000 m structure / 60.000 m overall | N |
| 2 | T | BIG ROCK, NOVATO, MARIN, CA | 38.05908333, -122.60386111 | 575.000 m | POLE | 25.000 m structure / 25.000 m overall | N |
| 3 | T | ||||||
| 4 | T | ||||||
| 5 | T | ||||||
| 6 | T | ||||||
| 7 | T | Loma Ridge, Los Gatos, SANTA CLARA, CA | 37.16722222, -121.92500000 | 1036.000 m | TOWER | 42.000 m structure / 42.000 m overall | N |
| 8 | T | ONE MARKET PLZ, SAN FRANCISCO, SAN FRANCISCO, CA | 37.79388889, -122.39472222 | 6.000 m | TOWER | 60.900 m structure / 68.900 m overall | N |
| 9 | T | Mt. Diablo, Walnut Creek, CONTRA COSTA, CA | 37.88166667, -121.91916667 | 1091.000 m | TOWER | 40.000 m structure / 40.000 m overall | N |
| 10 | T | N | |||||
| 11 | T | N | |||||
| 12 | T | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 61.000 m | 623.000 | |||||
| 1 | 2 | T | 18.000 m | 443.000 | |||||
| 1 | 3 | T | |||||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | |||||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 30.000 m | 722.000 | |||||
| 1 | 8 | T | 68.900 m | 73.000 | |||||
| 1 | 9 | T | 40.000 m | 166.000 | |||||
| 1 | 10 | ||||||||
| 1 | 11 | ||||||||
| 1 | 12 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 1601 NEPTUNE DR, SAN LEANDRO, CA | ALAMEDA | 5108959500 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2005-02-12 | WPPG637 | LIEXP |
| 2004-09-13 | WPPG637 | LETRES |
| 2003-03-31 | WPPG637 | LETCNS |
| 2002-07-02 | WPPG637 | LIMOD |
| 2002-03-14 | WPPG637 | LITIN |
| 2002-02-25 | WPPG637 | AUDOPR |
| 2000-11-23 | WPPG637 | LICCNV |
| 1999-12-10 | WPPG637 | LIISS |
| 1999-12-10 | WPPG637 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1759802 | 2026-08-02 01:24:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPPG637 | ULS 1759802 | 2026-08-02 01:24:25 |
| Status | E | ULS 1759802 | 2026-08-02 01:24:25 |
| Service | IG | ULS 1759802 | 2026-08-02 01:24:25 |
| Grant Date | 1999-12-10 | ULS 1759802 | 2026-08-02 01:24:25 |
| Expiration Date | 2004-12-10 | ULS 1759802 | 2026-08-02 01:24:25 |
| Cancellation Date | 2005-02-12 | ULS 1759802 | 2026-08-02 01:24:25 |