Universal Licensing System
WRCK603
CALIFORNIA, STATE OF
License details
| ULS identifier | 4094740 |
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| Call sign | WRCK603 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2018-10-25 |
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| Expiration | 2028-10-25 |
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| Frequency range | 5974.85 - 6034.15 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SAN MATEO, SAN MATEO, CA |
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| Coordinates | 37.4992778, -122.1286389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 5974.85000000 | | | | | |
| 1 | 2 | FXO | 5974.85000000 | | | | | |
| 1 | 1 | FXO | 6034.15000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 5974.85000000 | | 30M0D7W |
| 1 | 1 | 6034.15000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4.8 KM WEST OF THORTON AVE, SAN MATEO, SAN MATEO, CA | 37.49927778, -122.12863889 | 3.000 m | LTOWER | 18.300 m structure / 18.300 m overall | |
| 2 | R | | 37.57358333, -122.26283333 | 3.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE UHP8-59W RF | | V | 41.9000 | 304.9000 | | |
| 1 | 2 | R | COMMSCOPE UHP8-59W RF | | | 41.9000 | | | |
| 2 | 1 | T | COMMSCOPE UHP8-59W | | V | 41.9000 | 304.9000 | | |
| 2 | 2 | R | COMMSCOPE UHP8-59W | | | 41.9000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 601 Sequoia Pacific Blvd, Sacramento, CA | SACRAMENTO | 9168945096 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-03 | WRCK603 | LIAUA |
| 2025-02-25 | WRCK603 | LETCNS |
| 2023-11-24 | WRCK603 | LIMOD |
| 2020-09-03 | WRCK603 | LIAUA |
| 2020-05-02 | WRCK603 | LIAUA |
| 2020-04-28 | WRCK603 | LIAUA |
| 2020-01-28 | WRCK603 | LETCNS |
| 2018-10-25 | WRCK603 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4094740 | 2026-08-02 02:46:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRCK603 | ULS 4094740 | 2026-08-02 02:46:28 |
| Status | A | ULS 4094740 | 2026-08-02 02:46:28 |
| Service | MW | ULS 4094740 | 2026-08-02 02:46:28 |
| Grant Date | 2018-10-25 | ULS 4094740 | 2026-08-02 02:46:28 |
| Expiration Date | 2028-10-25 | ULS 4094740 | 2026-08-02 02:46:28 |