Universal Licensing System
WPYC498
ESP Wireless Technology Group
License details
| ULS identifier | 2533488 |
|---|
| Call sign | WPYC498 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-06-08 |
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| Expiration | 2033-07-18 |
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| Frequency range | 472.3375 - 475.3375 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8789167, -87.6361667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 472.33750000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | MO | 472.33750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 475.33750000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 475.33750000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.33750000 | | 11K2F1D |
| 1 | 1 | 472.33750000 | | 11K2F2D |
| 1 | 1 | 472.33750000 | | 11K2F3E |
| 2 | 1 | 472.33750000 | | 11K2F2D |
| 2 | 1 | 472.33750000 | | 11K2F1D |
| 2 | 1 | 472.33750000 | | 11K2F3E |
| 2 | 1 | 475.33750000 | | 11K2F3E |
| 2 | 1 | 475.33750000 | | 11K2F2D |
| 2 | 1 | 475.33750000 | | 11K2F1D |
| 3 | 1 | 475.33750000 | | 11K2F2D |
| 3 | 1 | 475.33750000 | | 11K2F1D |
| 3 | 1 | 475.33750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 233 SOUTH WACKER DRIVE, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 181.400 m | BTWR | 437.500 m structure / 527.300 m overall | |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 364.500 m | | | | 528.700 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8330 South Madison Street, Ste 15, Burr Ridge, IL | DUPAGE | 7084858930 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-07 | WPYC498 | LIAUA |
| 2023-06-08 | WPYC498 | LIREN |
| 2013-06-19 | WPYC498 | LIREN |
| 2013-04-22 | WPYC498 | LETRES |
| 2010-12-14 | WPYC498 | LTSAPR |
| 2010-12-14 | WPYC498 | LIAUA |
| 2008-11-13 | WPYC498 | LIAUA |
| 2008-11-13 | WPYC498 | LTSAPR |
| 2004-04-20 | WPYC498 | LETCNS |
| 2003-07-18 | WPYC498 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2533488 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYC498 | ULS 2533488 | 2026-08-02 01:16:21 |
| Status | A | ULS 2533488 | 2026-08-02 01:16:21 |
| Service | IG | ULS 2533488 | 2026-08-02 01:16:21 |
| Grant Date | 2023-06-08 | ULS 2533488 | 2026-08-02 01:16:21 |
| Expiration Date | 2033-07-18 | ULS 2533488 | 2026-08-02 01:16:21 |