Universal Licensing System
WPKM646
UNION OIL COMPANY OF CALIFORNIA DBA UNOCAL
License details
| ULS identifier | 1843154 |
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| Call sign | WPKM646 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-04-24 |
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| Expiration | 2002-04-24 |
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| Cancellation | 2002-08-25 |
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| Frequency range | 451.375 - 456.375 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CHUNCHULA, MOBILE, AL |
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| Coordinates | 30.9274167, -88.2202778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:14 |
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Licensee
| Name | UNION OIL COMPANY OF CALIFORNIA DBA UNOCAL |
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| Applicant type | C |
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| Location | SUGAR LAND, TX |
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| Address | 14141 SW FWY, SUGAR LAND, TX, 77478 |
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| Phone | 2812875206 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 451.37500000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | FB | 451.37500000 | | | 45.000000 | 90.000000 | |
| 3 | 1 | MO | 451.37500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | FX1 | 456.37500000 | | | 45.000000 | 90.000000 | |
| 3 | 1 | MO | 456.37500000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.37500000 | | 20K0F3E |
| 2 | 1 | 451.37500000 | | 20K0F3E |
| 3 | 1 | 451.37500000 | | 20K0F3E |
| 2 | 1 | 456.37500000 | | 20K0F3E |
| 3 | 1 | 456.37500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 2 MI W ON ROBERTS RD, CHUNCHULA, MOBILE, AL | 30.92741667, -88.22027778 | 81.000 m | TOWER | 46.000 m structure / 46.000 m overall | N |
| 2 | T | 12303 ROBERTS RD CHUNCHULA GAS PLANT, CHUNCHULA, MOBILE, AL | 30.94936111, -88.16805556 | 50.000 m | TOWER | 30.000 m structure / 30.000 m overall | N |
| 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 | | 90.000 m | | | | 125.000 | |
| 1 | 2 | T | | 45.000 m | | | | 45.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12303 ROBERTS RD, CHUNCHULA, AL | | 3346756180 |
License history
| Date | File or call sign | Action |
|---|
| 2002-08-25 | WPKM646 | LIEXP |
| 2002-01-28 | WPKM646 | LETRES |
| 2001-11-21 | WPKM646 | LETAUS |
| 2000-11-23 | WPKM646 | LICCNV |
| 1997-04-24 | WPKM646 | AUTHPR |
| 1997-04-24 | WPKM646 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1843154 | 2026-08-02 01:27:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKM646 | ULS 1843154 | 2026-08-02 01:27:14 |
| Status | E | ULS 1843154 | 2026-08-02 01:27:14 |
| Service | IG | ULS 1843154 | 2026-08-02 01:27:14 |
| Grant Date | 1997-04-24 | ULS 1843154 | 2026-08-02 01:27:14 |
| Expiration Date | 2002-04-24 | ULS 1843154 | 2026-08-02 01:27:14 |
| Cancellation Date | 2002-08-25 | ULS 1843154 | 2026-08-02 01:27:14 |