Universal Licensing System
WLL513
MRC TELECOMMUNICATIONS INC
License details
| ULS identifier | 993886 |
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| Call sign | WLL513 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1991-02-01 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2001-05-31 |
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| Frequency range | 17720 - 17760 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9016944, -87.6289167 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-09-14 16:55:38 |
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Licensee
| Name | MRC TELECOMMUNICATIONS INC |
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| Applicant type | C |
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| FRN | 0004953659 |
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| Location | BROOKFIELD, WI |
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| Address | 275 N CORPORATE DR, BROOKFIELD, WI, 53045 |
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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 | FXO | 17720.00000000 | | | | | |
| 1 | 2 | FXO | 17760.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17720.00000000 | | 40M0F7W |
| 1 | 2 | 17760.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1030 N STATE, CHICAGO, COOK, IL | 41.90169444, -87.62891667 | 181.400 m | | 222.500 m overall | |
| 2 | R | | 41.88891667, -87.63669444 | 181.400 m | | | |
| 3 | R | | 41.88891667, -87.63669444 | 181.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 204.5000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | H | | 204.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-31 | WLL513 | COR |
| 2000-11-13 | WLL513 | LETRES |
| 1999-08-14 | WLL513 | LICCNV |
| 1997-11-10 | WLL513 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 993886 | 2026-08-31 20:51:05 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Applicant Frn | 0004953659 | ULS 993886 | 2026-08-31 20:55:28 |
| Applicant Name | MRC TELECOMMUNICATIONS INC | ULS 993886 | 2026-08-31 20:55:28 |
| Call Sign | WLL513 | ULS 993886 | 2026-08-31 20:55:28 |
| Cancellation Date | 2001-05-31 | ULS 993886 | 2026-08-31 20:55:28 |
| Description | 8803256 | ULS 993886 | 2026-08-31 20:55:28 |
| Expiration Date | 2001-02-01 | ULS 993886 | 2026-08-31 20:55:28 |
| Filed Date | 1991-02-01 | ULS 993886 | 2026-08-31 20:55:28 |
| Grant Date | 1991-02-01 | ULS 993886 | 2026-08-31 20:55:28 |
| Service | CF | ULS 993886 | 2026-08-31 20:55:28 |
| Source Archive | l_micro.zip | ULS 993886 | 2026-08-31 20:55:28 |
| Status | C | ULS 993886 | 2026-08-31 20:55:28 |