Universal Licensing System
KDZ458
SHELL COMMUNICATIONS INC
License details
| ULS identifier | 1836168 |
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| Call sign | KDZ458 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 1999-05-18 |
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| Expiration | 2004-08-08 |
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| Cancellation | 2002-05-29 |
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| Frequency range | 48.6 - 49.34 MHz (2 frequencies) |
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| Locations | 6 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8815833, -121.9191389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:31 |
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Licensee
| Name | SHELL COMMUNICATIONS INC |
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| Applicant type | C |
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| FRN | 0003464674 |
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| Location | HOUSTON, TX |
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| Address | HOUSTON, TX, 772250329 |
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| Phone | 7146916643 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 48.60000000 | | | 120.000000 | 115.000000 | |
| 2 | 1 | FB | 48.60000000 | | | 100.000000 | 96.000000 | |
| 3 | 1 | FB | 48.60000000 | | | 100.000000 | 350.000000 | |
| 4 | 1 | MO | 48.60000000 | | | 110.000000 | 110.000000 | |
| 5 | 1 | MO | 48.60000000 | | | 110.000000 | 110.000000 | |
| 6 | 1 | MO | 48.60000000 | | | 110.000000 | 110.000000 | |
| 2 | 1 | FX1 | 49.34000000 | | | 100.000000 | 96.000000 | |
| 4 | 1 | MO | 49.34000000 | | | 110.000000 | 110.000000 | |
| 5 | 1 | MO | 49.34000000 | | | 110.000000 | 110.000000 | |
| 6 | 1 | MO | 49.34000000 | | | 110.000000 | 110.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 48.60000000 | | 20K0F3E |
| 2 | 1 | 48.60000000 | | 20K0F3E |
| 3 | 1 | 48.60000000 | | 20K0F3E |
| 4 | 1 | 48.60000000 | | 20K0F3E |
| 5 | 1 | 48.60000000 | | 20K0F3E |
| 6 | 1 | 48.60000000 | | 20K0F3E |
| 2 | 1 | 49.34000000 | | 20K0F3E |
| 4 | 1 | 49.34000000 | | 20K0F3E |
| 5 | 1 | 49.34000000 | | 20K0F3E |
| 6 | 1 | 49.34000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SPLC MOUNT DIABLO STATE PK, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.000 m | | 87.000 m structure | N |
| 2 | T | PROD OFC 3 MI W, BRENTWOOD, CONTRA COSTA, CA | 37.94186111, -121.75105556 | 47.000 m | | 9.000 m structure | N |
| 3 | T | PROD OFC 50 N SECOND ST, RIO VISTA, SOLANO, CA | 38.15713889, -121.69133333 | 15.000 m | | 6.000 m structure | N |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | 0.000 | |
| 1 | 2 | T | | 9.000 m | | | | 0.000 | |
| 1 | 3 | T | | 9.000 m | | | | 0.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | PROD OFC 50 N SECOND ST, RIO VISTA, CA | | 7146916643 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-30 | KDZ458 | LICAN |
| 2002-05-29 | KDZ458 | AUDCAN |
| 2000-11-23 | KDZ458 | LICCNV |
| 1999-05-18 | KDZ458 | AUTHPR |
| 1999-05-18 | KDZ458 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1836168 | 2026-08-02 01:15:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KDZ458 | ULS 1836168 | 2026-08-02 01:15:31 |
| Status | C | ULS 1836168 | 2026-08-02 01:15:31 |
| Service | IG | ULS 1836168 | 2026-08-02 01:15:31 |
| Grant Date | 1999-05-18 | ULS 1836168 | 2026-08-02 01:15:31 |
| Expiration Date | 2004-08-08 | ULS 1836168 | 2026-08-02 01:15:31 |
| Cancellation Date | 2002-05-29 | ULS 1836168 | 2026-08-02 01:15:31 |