Universal Licensing System
WSJU677
Implecho
License details
| ULS identifier | 5189589 |
|---|
| Call sign | WSJU677 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2025-08-27 |
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| Expiration | 2025-09-04 |
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| Cancellation | 2025-12-13 |
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| Frequency range | 451.2375 - 456.7625 MHz (8 frequencies) |
|---|
| Locations | 2 |
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| Representative location | Bridgeview, COOK, IL |
|---|
| Coordinates | 41.7658611, -87.8081667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.23750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 451.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.51250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 451.51250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.73750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 451.73750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.76250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 451.76250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.23750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.51250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.73750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.76250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.23750000 | | 7K60FXE |
| 2 | 1 | 451.23750000 | | 7K60FXE |
| 1 | 1 | 451.51250000 | | 7K60FXE |
| 2 | 1 | 451.51250000 | | 7K60FXE |
| 1 | 1 | 451.73750000 | | 7K60FXE |
| 2 | 1 | 451.73750000 | | 7K60FXE |
| 1 | 1 | 451.76250000 | | 7K60FXE |
| 2 | 1 | 451.76250000 | | 7K60FXE |
| 2 | 1 | 456.23750000 | | 7K60FXE |
| 2 | 1 | 456.51250000 | | 7K60FXE |
| 2 | 1 | 456.73750000 | | 7K60FXE |
| 2 | 1 | 456.76250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7000 S Harlem Ave, Bridgeview, COOK, IL | 41.76586111, -87.80816667 | 187.000 m | MTOWER | 11.000 m structure / 15.200 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.200 m | | | | 8.500 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7000 S Harlem Ave., Bridgeview, IL | COOK | 2625233133 |
Special conditions
| Type | Condition code |
|---|
| P | 5004 |
| T | 1003 |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-13 | WSJU677 | LIEXP |
| 2025-08-27 | WSJU677 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5189589 | 2026-08-02 01:24:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSJU677 | ULS 5189589 | 2026-08-02 01:24:18 |
| Status | E | ULS 5189589 | 2026-08-02 01:24:18 |
| Service | IG | ULS 5189589 | 2026-08-02 01:24:18 |
| Grant Date | 2025-08-27 | ULS 5189589 | 2026-08-02 01:24:18 |
| Expiration Date | 2025-09-04 | ULS 5189589 | 2026-08-02 01:24:18 |
| Cancellation Date | 2025-12-13 | ULS 5189589 | 2026-08-02 01:24:18 |