Universal Licensing System
WRDT490
Computer Dynamics of NW Illinois LLC
License details
| ULS identifier | 4180075 |
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| Call sign | WRDT490 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2019-07-16 |
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| Expiration | 2029-07-16 |
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| Frequency range | 11245 MHz |
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| Locations | 2 |
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| Representative location | Pearl City, CARROLL, IL |
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| Coordinates | 42.1968889, -89.8282222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:17 |
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Licensee
| Name | Computer Dynamics of NW Illinois LLC |
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| Applicant type | L |
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| FRN | 0018108621 |
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| Location | FREEPORT, IL |
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| Address | 451 W. South St, FREEPORT, IL, 61032 |
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| Phone | 8152332641 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11245.00000000 | | | | | |
| 1 | 1 | FXO | 11245.00000000 | | | | | |
| 1 | 1 | FXO | 11245.00000000 | | | | | |
| 1 | 1 | FXO | 11245.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11245.00000000 | | 79M3D7D |
| 1 | 1 | 11245.00000000 | | 79M3D7D |
| 1 | 1 | 11245.00000000 | | 79M3D7D |
| 1 | 1 | 11245.00000000 | | 79M3D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 17990A IL Rte 73, Pearl City, CARROLL, IL | 42.19688889, -89.82822222 | 280.200 m | B | 3.000 m structure / 3.000 m overall | |
| 2 | R | | 42.16500000, -89.88852778 | 281.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | UBIQUITI NETWORKS AF-11G35 | | S | 35.0000 | 234.6000 | | |
| 1 | 2 | R | UBIQUITI NETWORKS AF-11G35 | | | 35.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-16 | WRDT490 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4180075 | 2026-08-02 02:44:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDT490 | ULS 4180075 | 2026-08-02 02:44:17 |
| Status | A | ULS 4180075 | 2026-08-02 02:44:17 |
| Service | MG | ULS 4180075 | 2026-08-02 02:44:17 |
| Grant Date | 2019-07-16 | ULS 4180075 | 2026-08-02 02:44:17 |
| Expiration Date | 2029-07-16 | ULS 4180075 | 2026-08-02 02:44:17 |