Universal Licensing System
WQXF524
Single Digits, Inc.
License details
| ULS identifier | 3781835 |
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| Call sign | WQXF524 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2016-02-19 |
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| Expiration | 2026-02-19 |
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| Cancellation | 2023-02-06 |
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| Frequency range | 21425 MHz |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.8706389, -87.6264444 |
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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 |
|---|
| 1 | 4 | FXO | 21425.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 21425.00000000 | | 50M0D1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 840 S Canal, Chicago, COOK, IL | 41.87063889, -87.62644444 | 196.700 m | B | 219.500 m structure / 219.500 m overall | |
| 4 | R | | 41.87813889, -87.64344444 | 189.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 4 | R | Commscope VHLP1-23 | | | 35.3000 | 0.0000 | | |
| 4 | 1 | T | Commscope VHLP1-23 | | H | 35.3000 | 300.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-07 | WQXF524 | LICAN |
| 2020-12-08 | WQXF524 | LIASS |
| 2017-12-05 | WQXF524 | AUTHPR |
| 2017-12-03 | WQXF524 | LOATRM |
| 2017-12-03 | WQXF524 | ANATRM |
| 2017-12-03 | WQXF524 | FRATRM |
| 2017-12-03 | WQXF524 | PAATRM |
| 2017-09-27 | WQXF524 | LETTRS |
| 2017-09-27 | WQXF524 | PNLISR |
| 2017-08-22 | WQXF524 | LIAUA |
| 2017-05-23 | WQXF524 | LETCNS |
| 2016-02-19 | WQXF524 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3781835 | 2026-08-02 02:43:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQXF524 | ULS 3781835 | 2026-08-02 02:43:19 |
| Status | C | ULS 3781835 | 2026-08-02 02:43:19 |
| Service | CF | ULS 3781835 | 2026-08-02 02:43:19 |
| Grant Date | 2016-02-19 | ULS 3781835 | 2026-08-02 02:43:19 |
| Expiration Date | 2026-02-19 | ULS 3781835 | 2026-08-02 02:43:19 |
| Cancellation Date | 2023-02-06 | ULS 3781835 | 2026-08-02 02:43:19 |