Universal Licensing System
WQQK897
SilverIP Communications, Inc.
License details
| ULS identifier | 3437635 |
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| Call sign | WQQK897 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2013-01-16 |
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| Expiration | 2023-01-16 |
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| Cancellation | 2022-06-29 |
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| Frequency range | 22525 MHz |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.8816111, -87.6305000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:01 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 22525.00000000 | | | | | |
| 1 | 1 | FXO | 22525.00000000 | | | | | |
| 1 | 1 | FXO | 22525.00000000 | | | | | |
| 1 | 1 | FXO | 22525.00000000 | | | | | |
| 1 | 1 | FXO | 22525.00000000 | | | | | |
| 1 | 1 | FXO | 22525.00000000 | | | | | |
| 1 | 1 | FXO | 22525.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 22525.00000000 | | 50M0D1W |
| 1 | 1 | 22525.00000000 | | 50M0D1W |
| 1 | 1 | 22525.00000000 | | 50M0D1W |
| 1 | 1 | 22525.00000000 | | 50M0D1W |
| 1 | 1 | 22525.00000000 | | 50M0D1W |
| 1 | 1 | 22525.00000000 | | 50M0D1W |
| 1 | 1 | 22525.00000000 | | 50M0D1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 10 S Dearborn Street, Chicago, COOK, IL | 41.88161111, -87.63050000 | 180.000 m | BANT | 62.000 m structure / 65.000 m overall | |
| 2 | R | | 41.88697222, -87.64333333 | 180.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Arkivator AB HAA2303-PA3 | | V | 34.4000 | 299.2000 | | |
| 1 | 2 | R | Arkivator AB HAA2303-PA3 | | | 34.4000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-06-30 | WQQK897 | LICAN |
| 2013-01-16 | WQQK897 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3437635 | 2026-08-02 02:45:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQQK897 | ULS 3437635 | 2026-08-02 02:45:01 |
| Status | C | ULS 3437635 | 2026-08-02 02:45:01 |
| Service | MG | ULS 3437635 | 2026-08-02 02:45:01 |
| Grant Date | 2013-01-16 | ULS 3437635 | 2026-08-02 02:45:01 |
| Expiration Date | 2023-01-16 | ULS 3437635 | 2026-08-02 02:45:01 |
| Cancellation Date | 2022-06-29 | ULS 3437635 | 2026-08-02 02:45:01 |