Universal Licensing System
WSMM487
ROBINSON TRANSPORT INC
License details
| ULS identifier | 5287319 |
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| Call sign | WSMM487 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2026-04-17 |
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| Expiration | 2036-04-17 |
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| Frequency range | 463.425 - 468.425 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | ALTON, MADISON, IL |
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| Coordinates | 38.9063889, -90.1942222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 463.42500000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | MO | 463.42500000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 463.42500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 468.42500000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 468.42500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FX1 | 468.42500000 | | | 100.000000 | 150.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.42500000 | | 11K2F3E |
| 1 | 1 | 463.42500000 | | 7K60FXE |
| 2 | 1 | 463.42500000 | | 11K2F3E |
| 2 | 1 | 463.42500000 | | 7K60FXE |
| 2 | 1 | 463.42500000 | | 11K2F3E |
| 2 | 1 | 463.42500000 | | 7K60FXE |
| 2 | 1 | 468.42500000 | | 11K2F3E |
| 2 | 1 | 468.42500000 | | 7K60FXE |
| 2 | 1 | 468.42500000 | | 7K60FXE |
| 2 | 1 | 468.42500000 | | 11K2F3E |
| 3 | 1 | 468.42500000 | | 7K60FXE |
| 3 | 1 | 468.42500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WEST ELEMENTARY 1513 STATE ST, ALTON, MADISON, IL | 38.90638889, -90.19422222 | 190.000 m | B | 18.000 m structure / 20.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | IL | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 20.000 m | | | | 58.500 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1180 HIGHWAY 145, HARRISBURG, IL | MADISON | 6182526171 |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-17 | WSMM487 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5287319 | 2026-08-02 01:23:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSMM487 | ULS 5287319 | 2026-08-02 01:23:03 |
| Status | A | ULS 5287319 | 2026-08-02 01:23:03 |
| Service | IG | ULS 5287319 | 2026-08-02 01:23:03 |
| Grant Date | 2026-04-17 | ULS 5287319 | 2026-08-02 01:23:03 |
| Expiration Date | 2036-04-17 | ULS 5287319 | 2026-08-02 01:23:03 |