Universal Licensing System
WRDM827
AMERICAN GRADING CO.
License details
| ULS identifier | 4167934 |
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| Call sign | WRDM827 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-06-06 |
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| Expiration | 2029-06-06 |
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| Frequency range | 457.2 - 468.25 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | MCCOOK, COOK, IL |
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| Coordinates | 41.7991667, -87.8247500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:53 |
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Licensee
| Name | AMERICAN GRADING CO. |
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| Applicant type | C |
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| FRN | 0028450773 |
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| Location | PLAINFIELD, IL |
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| Address | 13400 S ROUTE 59, SUITE 116-160, PLAINFIELD, IL, 60585 |
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| Phone | 6308805833 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 457.20000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.45000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 466.12500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 466.35000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 468.25000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 457.20000000 | | 7K60F1W |
| 1 | 1 | 457.45000000 | | 7K60F1W |
| 1 | 1 | 466.12500000 | | 7K60F1W |
| 1 | 1 | 466.35000000 | | 7K60F1W |
| 1 | 1 | 468.25000000 | | 7K60F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MCCOOK, COOK, IL | 41.79916667, -87.82475000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 5100 LAWNDALE AVE, MCCOOK, IL | COOK | 6308805833 |
License history
| Date | File or call sign | Action |
|---|
| 2019-06-06 | WRDM827 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4167934 | 2026-08-02 01:22:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDM827 | ULS 4167934 | 2026-08-02 01:22:53 |
| Status | A | ULS 4167934 | 2026-08-02 01:22:53 |
| Service | IG | ULS 4167934 | 2026-08-02 01:22:53 |
| Grant Date | 2019-06-06 | ULS 4167934 | 2026-08-02 01:22:53 |
| Expiration Date | 2029-06-06 | ULS 4167934 | 2026-08-02 01:22:53 |