Universal Licensing System
WRCK903
TowerStream Corp
License details
| ULS identifier | 4095545 |
|---|
| Call sign | WRCK903 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2018-10-29 |
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| Expiration | 2028-10-29 |
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| Frequency range | 23175 MHz |
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| Locations | 2 |
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| Representative location | OAK BROOK, DUPAGE, IL |
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| Coordinates | 41.8365000, -87.9756944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:34 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23175.00000000 | | 42M6D7W |
| 1 | 1 | 23175.00000000 | | 45M2D7W |
| 1 | 1 | 23175.00000000 | | 45M8D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2800 MIDWEST RD, OAK BROOK, DUPAGE, IL | 41.83650000, -87.97569444 | 217.000 m | B | 5.000 m structure / 5.000 m overall | |
| 2 | R | | 41.85805556, -87.95416667 | 209.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP1-23C | | V | 35.6000 | 36.7000 | | |
| 1 | 2 | R | COMMSCOPE VHLP1-23C | | | 35.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-01 | WRCK903 | LITRAN |
| 2020-01-28 | WRCK903 | LETCNS |
| 2018-10-29 | WRCK903 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4095545 | 2026-08-02 02:47:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRCK903 | ULS 4095545 | 2026-08-02 02:47:34 |
| Status | A | ULS 4095545 | 2026-08-02 02:47:34 |
| Service | CF | ULS 4095545 | 2026-08-02 02:47:34 |
| Grant Date | 2018-10-29 | ULS 4095545 | 2026-08-02 02:47:34 |
| Expiration Date | 2028-10-29 | ULS 4095545 | 2026-08-02 02:47:34 |