Universal Licensing System
WNMM477
MCI TELECOMMUNICATIONS CORPORATION
License details
| ULS identifier | 1878716 |
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| Call sign | WNMM477 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 1998-09-01 |
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| Expiration | 2003-09-01 |
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| Cancellation | 2001-06-12 |
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| Frequency range | 462.525 - 467.525 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | PRINEVILLE, CROOK, OR |
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| Coordinates | 44.4378889, -120.9550278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:17 |
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Licensee
| Name | MCI TELECOMMUNICATIONS CORPORATION |
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| Applicant type | C |
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| Location | WASHINGTON, DC |
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| Address | 1801 PENNSYLVANIA AVE NW, WASHINGTON, DC, 20006 |
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| Phone | 5107322136 |
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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 | FB2C | 462.52500000 | | | 75.000000 | 166.000000 | |
| 2 | 1 | MO | 462.52500000 | | | 45.000000 | | |
| 2 | 1 | MO | 467.52500000 | | | 45.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.52500000 | | 20K0F3E |
| 2 | 1 | 462.52500000 | | 20K0F3E |
| 2 | 1 | 467.52500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | GRIZZLY MOUNTAIN 10.5 MI NW, PRINEVILLE, CROOK, OR | 44.43788889, -120.95502778 | 1714.000 m | | 31.000 m structure / 31.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 29.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 21350 CABOT BLVD, HAYWARD, CA | | 5107322136 |
License history
| Date | File or call sign | Action |
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| 2001-11-01 | WNMM477 | AUDCAN |
| 2001-06-14 | WNMM477 | LICAN |
| 2000-11-24 | WNMM477 | LICCNV |
| 2000-01-06 | WNMM477 | AUTHPR |
| 1998-09-14 | WNMM477 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1878716 | 2026-08-02 01:17:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNMM477 | ULS 1878716 | 2026-08-02 01:17:17 |
| Status | C | ULS 1878716 | 2026-08-02 01:17:17 |
| Service | IG | ULS 1878716 | 2026-08-02 01:17:17 |
| Grant Date | 1998-09-01 | ULS 1878716 | 2026-08-02 01:17:17 |
| Expiration Date | 2003-09-01 | ULS 1878716 | 2026-08-02 01:17:17 |
| Cancellation Date | 2001-06-12 | ULS 1878716 | 2026-08-02 01:17:17 |