Universal Licensing System
WQDU424
Cummins-Allison Corp.
License details
| ULS identifier | 2760387 |
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| Call sign | WQDU424 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2015-09-28 |
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| Expiration | 2025-11-01 |
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| Cancellation | 2026-01-03 |
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| Frequency range | 451.725 - 469.7375 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | Mt Prospect, COOK, IL |
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| Coordinates | 42.0760833, -87.9219167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:44 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.72500000 | | | 40.000000 | 75.000000 | |
| 2 | 1 | MO | 451.72500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.72500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 464.73750000 | | | 40.000000 | 97.000000 | |
| 4 | 1 | MO | 464.73750000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 469.73750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.72500000 | | 11K3F3E |
| 2 | 1 | 451.72500000 | | 11K3F3E |
| 2 | 1 | 456.72500000 | | 11K3F3E |
| 3 | 1 | 464.73750000 | | 11K3F3E |
| 3 | 1 | 464.73750000 | | 7K60FXE |
| 4 | 1 | 464.73750000 | | 7K60FXE |
| 4 | 1 | 464.73750000 | | 11K3F3E |
| 4 | 1 | 469.73750000 | | 7K60FXE |
| 4 | 1 | 469.73750000 | | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 891 Freehanville Drive, Mt Prospect, COOK, IL | 42.07694444, -87.92305556 | 201.000 m | BPIPE | 6.000 m structure / 9.000 m overall | |
| 2 | T | | | | | | |
| 3 | | 891 Freehanville Dr, Mt Prospect, COOK, IL | 42.07608333, -87.92191667 | 199.000 m | BPIPE | 16.500 m structure / 19.200 m overall | N |
| 4 | | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 9.000 m | | | | 3.700 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | T | | 19.200 m | | | | 13.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 891 Feehanville Dr, Mt Prospect, IL | COOK | 8477596460 |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-03 | WQDU424 | LIEXP |
| 2025-08-11 | WQDU424 | LETRES |
| 2015-09-28 | WQDU424 | LIREN |
| 2015-08-10 | WQDU424 | LETRES |
| 2011-09-06 | WQDU424 | LIMOD |
| 2005-12-06 | WQDU424 | ESCAPR |
| 2005-12-06 | WQDU424 | LIAUA |
| 2005-12-05 | WQDU424 | EFUAPR |
| 2005-12-05 | WQDU424 | ESUAPR |
| 2005-11-01 | WQDU424 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2760387 | 2026-08-02 01:17:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDU424 | ULS 2760387 | 2026-08-02 01:17:44 |
| Status | E | ULS 2760387 | 2026-08-02 01:17:44 |
| Service | IG | ULS 2760387 | 2026-08-02 01:17:44 |
| Grant Date | 2015-09-28 | ULS 2760387 | 2026-08-02 01:17:44 |
| Expiration Date | 2025-11-01 | ULS 2760387 | 2026-08-02 01:17:44 |
| Cancellation Date | 2026-01-03 | ULS 2760387 | 2026-08-02 01:17:44 |