Universal Licensing System
WPEM797
MCI WORLDCOM NETWORK SERVICES, INC
License details
| ULS identifier | 1879408 |
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| Call sign | WPEM797 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 1994-03-25 |
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| Expiration | 2004-03-25 |
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| Cancellation | 2001-06-21 |
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| Frequency range | 451.45 - 457.975 MHz (6 frequencies) |
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| Locations | 4 |
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| Representative location | MADISON, DANE, WI |
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| Coordinates | 43.1055556, -89.3617778 |
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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 WORLDCOM NETWORK SERVICES, INC |
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| Applicant type | C |
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| Location | RICHARDSON, TX |
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| Address | 2270 LAKESIDE BLVD 2865/642, RICHARDSON, TX, 75082 |
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| Phone | 9726565287 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 451.45000000 | | | 85.000000 | 274.000000 | |
| 2 | 2 | FB2C | 451.45000000 | | | 85.000000 | 293.000000 | |
| 8 | 1 | MO | 451.45000000 | | | 40.000000 | | |
| 9 | 1 | MO | 451.45000000 | | | 40.000000 | | |
| 5 | 2 | FB2C | 451.50000000 | | | 85.000000 | 251.000000 | |
| 10 | 1 | MO | 451.50000000 | | | 40.000000 | | |
| 2 | 1 | FX2 | 452.20000000 | | | 12.000000 | 66.000000 | |
| 5 | 1 | FX2 | 452.97500000 | | | 12.000000 | 77.000000 | |
| 8 | 1 | MO | 456.45000000 | | | 40.000000 | | |
| 9 | 1 | MO | 456.45000000 | | | 40.000000 | | |
| 10 | 1 | MO | 456.50000000 | | | 40.000000 | | |
| 4 | 1 | FX1 | 457.20000000 | | | 12.000000 | 85.000000 | |
| 7 | 1 | FX1 | 457.97500000 | | | 12.000000 | 82.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.45000000 | | 20K0F3E |
| 2 | 2 | 451.45000000 | | 20K0F3E |
| 8 | 1 | 451.45000000 | | 20K0F3E |
| 9 | 1 | 451.45000000 | | 20K0F3E |
| 5 | 2 | 451.50000000 | | 20K0F3E |
| 10 | 1 | 451.50000000 | | 20K0F3E |
| 2 | 1 | 452.20000000 | | 20K0F3E |
| 5 | 1 | 452.97500000 | | 20K0F3E |
| 8 | 1 | 456.45000000 | | 20K0F3E |
| 9 | 1 | 456.45000000 | | 20K0F3E |
| 10 | 1 | 456.50000000 | | 20K0F3E |
| 4 | 1 | 457.20000000 | | 20K0F3E |
| 7 | 1 | 457.97500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1.9 MI E, CRYSTAL LAKE, MCHENRY, IL | 42.25391667, -88.28397222 | 277.000 m | | 85.000 m structure / 85.000 m overall | N |
| 2 | T | 1 MI E, ALLENS GROVE, WALWORTH, WI | 42.56530556, -88.76094444 | 277.000 m | | 116.000 m structure / 116.000 m overall | N |
| 4 | T | N SITE SOUTH ST BETWEEN STATION & RICE, SHARON, WALWORTH, WI | 42.50225000, -88.73150000 | 300.000 m | | 18.000 m structure / 18.000 m overall | N |
| 5 | T | 5727 TOKAY BLVD, MADISON, DANE, WI | 43.05250000, -89.47844444 | 324.000 m | | 85.000 m structure / 85.000 m overall | N |
| 7 | T | SW OF INT PENNSYLVANIA & COMMERCIAL STS, MADISON, DANE, WI | 43.10555556, -89.36177778 | 261.000 m | | 18.000 m structure / 18.000 m overall | N |
| 8 | T | | | | | | |
| 9 | T | | | | | | |
| 10 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 68.000 m | | | | | |
| 1 | 2 | T | | 55.000 m | | | | | |
| 1 | 4 | T | | 18.000 m | | | | | |
| 1 | 5 | T | | 28.000 m | | | | | |
| 1 | 7 | T | | 18.000 m | | | | | |
| 1 | 8 | T | | | | | | | |
| 1 | 9 | T | | | | | | | |
| 1 | 10 | T | | | | | | | |
| 2 | 2 | T | | 109.000 m | | | | | |
| 2 | 5 | T | | 81.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 501 63RD ST, DOWNERS GROVE, IL | | 7085156680 |
License history
| Date | File or call sign | Action |
|---|
| 2002-02-26 | WPEM797 | AUDCAN |
| 2001-06-22 | WPEM797 | LICAN |
| 2001-03-07 | WPEM797 | LIAUA |
| 2000-11-24 | WPEM797 | LICCNV |
| 2000-01-06 | WPEM797 | AUTHPR |
| 1998-09-14 | WPEM797 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1879408 | 2026-08-02 01:17:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPEM797 | ULS 1879408 | 2026-08-02 01:17:17 |
| Status | C | ULS 1879408 | 2026-08-02 01:17:17 |
| Service | IG | ULS 1879408 | 2026-08-02 01:17:17 |
| Grant Date | 1994-03-25 | ULS 1879408 | 2026-08-02 01:17:17 |
| Expiration Date | 2004-03-25 | ULS 1879408 | 2026-08-02 01:17:17 |
| Cancellation Date | 2001-06-21 | ULS 1879408 | 2026-08-02 01:17:17 |