Universal Licensing System
WRNB637
Computer Dynamics of NW Illinois LLC
License details
| ULS identifier | 4468338 |
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| Call sign | WRNB637 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2021-07-09 |
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| Expiration | 2031-07-09 |
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| Frequency range | 11075 MHz |
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| Locations | 2 |
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| Representative location | Freeport, STEPHENSON, IL |
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| Coordinates | 42.2919167, -89.6616111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11075.00000000 | | | | | |
| 1 | 1 | FXO | 11075.00000000 | | | | | |
| 1 | 1 | FXO | 11075.00000000 | | | | | |
| 1 | 1 | FXO | 11075.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11075.00000000 | | 79M3D7D |
| 1 | 1 | 11075.00000000 | | 79M3D7D |
| 1 | 1 | 11075.00000000 | | 79M3D7D |
| 1 | 1 | 11075.00000000 | | 79M3D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 741 S Fox Point Ct, Freeport, STEPHENSON, IL | 42.29191667, -89.66161111 | 259.400 m | GTOWER | 57.900 m structure / 57.900 m overall | |
| 2 | R | | 42.32855556, -89.78047222 | 329.800 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 | 292.6000 | | |
| 1 | 2 | R | UBIQUITI NETWORKS AF-11G35 | | | 35.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-10-14 | WRNB637 | LETCNS |
| 2021-07-09 | WRNB637 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4468338 | 2026-08-02 02:44:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRNB637 | ULS 4468338 | 2026-08-02 02:44:36 |
| Status | A | ULS 4468338 | 2026-08-02 02:44:36 |
| Service | MG | ULS 4468338 | 2026-08-02 02:44:36 |
| Grant Date | 2021-07-09 | ULS 4468338 | 2026-08-02 02:44:36 |
| Expiration Date | 2031-07-09 | ULS 4468338 | 2026-08-02 02:44:36 |