Universal Licensing System
WZN637
CHAMPION COMMUNICATION SERVICES INC
License details
| ULS identifier | 1144139 |
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| Call sign | WZN637 |
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| Radio service | GX |
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| Status | C |
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| Grant date | 2000-11-14 |
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| Expiration | 2010-11-29 |
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| Cancellation | 2001-12-06 |
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| Frequency range | 808.7625 - 853.7625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | VACAVILLE, SOLANO, CA |
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| Coordinates | 38.3943611, -122.0988611 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:42:53 |
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Licensee
| Name | CHAMPION COMMUNICATION SERVICES INC |
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| Applicant type | C |
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| FRN | 0001638709 |
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| Location | THE WOODLANDS, TX |
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| Address | 1610 WOODSTEAD CT STE 330, THE WOODLANDS, TX, 77380 |
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| Phone | 7133620144 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 808.76250000 | | | 35.000000 | 35.000000 | |
| 3 | 1 | MO | 808.76250000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 853.76250000 | | | 90.000000 | 80.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 808.76250000 | | 15K0F2D |
| 2 | 1 | 808.76250000 | | 20K0F3E |
| 2 | 1 | 808.76250000 | | 20K0F1D |
| 3 | 1 | 808.76250000 | | 15K0F2D |
| 3 | 1 | 808.76250000 | | 20K0F1D |
| 3 | 1 | 808.76250000 | | 20K0F3E |
| 1 | 1 | 853.76250000 | | 15K0F2D |
| 1 | 1 | 853.76250000 | | 20K0F1D |
| 1 | 1 | 853.76250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MOUNT VACA, VACAVILLE, SOLANO, CA | 38.39436111, -122.09886111 | 841.000 m | TOWER | 39.000 m structure / 39.000 m overall | N |
| 2 | T | CA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 39.000 m | | | | 596.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | | | 7133620144 |
License history
| Date | File or call sign | Action |
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| 2001-12-07 | WZN637 | LICAN |
| 2000-11-14 | WZN637 | LIREN |
| 2000-09-24 | WZN637 | LETRES |
| 2000-09-15 | WZN637 | COR |
| 2000-09-15 | WZN637 | LICCNV |
| 1997-08-11 | WZN637 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1144139 | 2026-08-02 00:42:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WZN637 | ULS 1144139 | 2026-08-02 00:42:53 |
| Status | C | ULS 1144139 | 2026-08-02 00:42:53 |
| Service | GX | ULS 1144139 | 2026-08-02 00:42:53 |
| Grant Date | 2000-11-14 | ULS 1144139 | 2026-08-02 00:42:53 |
| Expiration Date | 2010-11-29 | ULS 1144139 | 2026-08-02 00:42:53 |
| Cancellation Date | 2001-12-06 | ULS 1144139 | 2026-08-02 00:42:53 |