Universal Licensing System
WQRK494
Single Digits, Inc.
License details
| ULS identifier | 3483403 |
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| Call sign | WQRK494 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2013-06-05 |
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| Expiration | 2023-06-05 |
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| Cancellation | 2023-02-06 |
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| Frequency range | 23575 MHz |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.8887500, -87.6466389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 23575.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23575.00000000 | | 50M0D1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 365 North Halsted, Chicago, COOK, IL | 41.88875000, -87.64663889 | 177.000 m | B | 121.900 m structure / 121.900 m overall | |
| 2 | R | | 41.88858333, -87.64277778 | 181.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Arkivator HAA2303 | | V | 35.0000 | 93.3000 | | |
| 1 | 2 | R | Arkivator HAA2303 | | | 35.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-07 | WQRK494 | LICAN |
| 2020-12-08 | WQRK494 | LIASS |
| 2017-08-22 | WQRK494 | LIAUA |
| 2015-07-22 | WQRK494 | LIASS |
| 2015-07-18 | WQRK494 | ESUAPR |
| 2014-09-26 | WQRK494 | LIAUA |
| 2014-09-25 | WQRK494 | ESUAPR |
| 2014-09-25 | WQRK494 | ESUFNR |
| 2013-06-05 | WQRK494 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3483403 | 2026-08-02 02:43:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQRK494 | ULS 3483403 | 2026-08-02 02:43:19 |
| Status | C | ULS 3483403 | 2026-08-02 02:43:19 |
| Service | MG | ULS 3483403 | 2026-08-02 02:43:19 |
| Grant Date | 2013-06-05 | ULS 3483403 | 2026-08-02 02:43:19 |
| Expiration Date | 2023-06-05 | ULS 3483403 | 2026-08-02 02:43:19 |
| Cancellation Date | 2023-02-06 | ULS 3483403 | 2026-08-02 02:43:19 |