Universal Licensing System
WLL646
MCI WorldCom Network Services, Inc.
License details
| ULS identifier | 994012 |
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| Call sign | WLL646 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-30 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2004-08-16 |
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| Frequency range | 6197.24 - 6375.14 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | WALKERTON, MARSHALL, IN |
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| Coordinates | 41.4641944, -86.3788889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:12 |
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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 | 2400 North Glenville, Richardson, TX, 75082 |
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| Phone | 9727296406 |
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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 | FXO | 6197.24000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 2 | FXO | 6286.19000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6375.14000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 1 | 6256.54000000 | | 30M0D7W |
| 1 | 2 | 6286.19000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6375.14000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WITHIN CITY, WALKERTON, MARSHALL, IN | 41.46419444, -86.37888889 | 240.200 m | | 32.900 m overall | |
| 2 | R | | 41.56613889, -86.33444444 | 266.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 43.2000 | 18.1000 | | |
| 1 | 2 | R | | | | 42.2000 | | | |
| 2 | 1 | T | | | H | 43.2000 | 18.1000 | | |
| 2 | 2 | R | | | | 42.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2004-08-17 | WLL646 | LICAN |
| 2004-04-20 | WLL646 | LIASS |
| 2003-02-12 | WLL646 | LIAUA |
| 2003-01-15 | WLL646 | LIAUA |
| 2003-01-14 | WLL646 | LIAUA |
| 2002-07-21 | WLL646 | LIASS |
| 2001-03-07 | WLL646 | LIAUA |
| 2001-01-30 | WLL646 | LIREN |
| 2000-11-13 | WLL646 | LETRES |
| 1999-08-14 | WLL646 | LICCNV |
| 1999-02-11 | WLL646 | LITRAN |
| 1993-01-19 | WLL646 | LIMOD |
| 1991-04-01 | WLL646 | LIREN |
| 1990-06-15 | WLL646 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 994012 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLL646 | ULS 994012 | 2026-08-02 02:45:12 |
| Status | C | ULS 994012 | 2026-08-02 02:45:12 |
| Service | CF | ULS 994012 | 2026-08-02 02:45:12 |
| Grant Date | 2001-01-30 | ULS 994012 | 2026-08-02 02:45:12 |
| Expiration Date | 2011-02-01 | ULS 994012 | 2026-08-02 02:45:12 |
| Cancellation Date | 2004-08-16 | ULS 994012 | 2026-08-02 02:45:12 |