Universal Licensing System
WPRK700
Crystal SMR Inc.
License details
| ULS identifier | 1832359 |
|---|
| Call sign | WPRK700 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2025-11-19 |
|---|
| Expiration | 2035-11-02 |
|---|
| Frequency range | 490.4125 - 493.4125 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:14:20 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 490.41250000 | | | 60.000000 | 181.000000 | |
| 2 | 1 | FB8 | 490.41250000 | | | 100.000000 | 163.000000 | |
| 4 | 1 | FB8 | 490.41250000 | | | 100.000000 | 119.000000 | |
| 3 | 1 | MO8 | 493.41250000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | MO8 | 493.41250000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO8 | 493.41250000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 490.41250000 | | 11K2F3E |
| 1 | 1 | 490.41250000 | | 4K00F1D |
| 1 | 1 | 490.41250000 | | 4K00F1E |
| 2 | 1 | 490.41250000 | | 4K00F1D |
| 2 | 1 | 490.41250000 | | 4K00F1E |
| 2 | 1 | 490.41250000 | | 11K2F3E |
| 4 | 1 | 490.41250000 | | 4K00F1E |
| 4 | 1 | 490.41250000 | | 4K00F1D |
| 4 | 1 | 490.41250000 | | 11K2F3E |
| 3 | 1 | 493.41250000 | | 11K2F3E |
| 3 | 1 | 493.41250000 | | 4K00F1E |
| 3 | 1 | 493.41250000 | | 4K00F1D |
| 5 | 1 | 493.41250000 | | 4K00F1D |
| 5 | 1 | 493.41250000 | | 4K00F1E |
| 5 | 1 | 493.41250000 | | 11K2F3E |
| 6 | 1 | 493.41250000 | | 4K00F1D |
| 6 | 1 | 493.41250000 | | 11K2F3E |
| 6 | 1 | 493.41250000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 37Devil's Peak, BURLINGAME, SAN MATEO, CA | 37.54269444, -122.44663889 | 546.500 m | LTOWER | 37.000 m structure / 61.000 m overall | N |
| 2 | T | Mt. Vaca, VACAVILLE, SOLANO, CA | 38.40877778, -122.11050000 | 829.000 m | LTOWER | 61.000 m structure / 61.000 m overall | N |
| 3 | T | | | | | | N |
| 4 | 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 |
| 5 | T | | | | | | N |
| 6 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 61.000 m | | | | 504.000 | |
| 1 | 2 | T | | 26.000 m | | | | 591.800 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 30.000 m | | | | 720.500 | |
| 1 | 5 | | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1601 NEPTUNE DR, SAN LEANDRO, CA | ALAMEDA | 5108959500 |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5118 |
License history
| Date | File or call sign | Action |
|---|
| 2025-11-19 | WPRK700 | LIREN |
| 2025-08-11 | WPRK700 | LETRES |
| 2022-10-12 | WPRK700 | LETCNS |
| 2021-11-23 | WPRK700 | LIMOD |
| 2021-11-23 | WPRK700 | COR |
| 2015-09-26 | WPRK700 | LIREN |
| 2015-08-10 | WPRK700 | LETRES |
| 2013-01-01 | WPRK700 | LIMOD |
| 2012-12-31 | WPRK700 | ESUAPR |
| 2010-07-26 | WPRK700 | LIMOD |
| 2005-11-02 | WPRK700 | LIREN |
| 2005-08-08 | WPRK700 | LETRES |
| 2002-09-16 | WPRK700 | LETCNS |
| 2002-02-25 | WPRK700 | AUDOPR |
| 2001-12-17 | WPRK700 | LIMOD |
| 2001-10-02 | WPRK700 | LITIN |
| 2000-11-23 | WPRK700 | LICCNV |
| 2000-11-02 | WPRK700 | LIISS |
| 2000-11-02 | WPRK700 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1832359 | 2026-08-02 01:14:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRK700 | ULS 1832359 | 2026-08-02 01:14:20 |
| Status | A | ULS 1832359 | 2026-08-02 01:14:20 |
| Service | YG | ULS 1832359 | 2026-08-02 01:14:20 |
| Grant Date | 2025-11-19 | ULS 1832359 | 2026-08-02 01:14:20 |
| Expiration Date | 2035-11-02 | ULS 1832359 | 2026-08-02 01:14:20 |