Universal Licensing System
WRBM600
NAVISTAR, INC.
License details
| ULS identifier | 4040107 |
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| Call sign | WRBM600 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-05-01 |
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| Expiration | 2028-05-01 |
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| Frequency range | 451.5625 - 462.3375 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | JOLIET, WILL, IL |
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| Coordinates | 41.5096944, -88.0165556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.56250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.56250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 462.33750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.56250000 | | 7K60FXE |
| 1 | 1 | 452.31250000 | | 7K60FXE |
| 1 | 1 | 456.56250000 | | 7K60FXE |
| 1 | 1 | 457.31250000 | | 7K60FXE |
| 1 | 1 | 462.33750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | JOLIET, WILL, IL | 41.50969444, -88.01655556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2700 W. HAVEN AVE., JOLIET, IL | WILL | 8154628102 |
License history
| Date | File or call sign | Action |
|---|
| 2019-06-05 | WRBM600 | LETTRS |
| 2019-06-05 | WRBM600 | PNLISR |
| 2019-02-16 | WRBM600 | LETCNS |
| 2018-05-01 | WRBM600 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4040107 | 2026-08-02 01:21:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBM600 | ULS 4040107 | 2026-08-02 01:21:03 |
| Status | A | ULS 4040107 | 2026-08-02 01:21:03 |
| Service | IG | ULS 4040107 | 2026-08-02 01:21:03 |
| Grant Date | 2018-05-01 | ULS 4040107 | 2026-08-02 01:21:03 |
| Expiration Date | 2028-05-01 | ULS 4040107 | 2026-08-02 01:21:03 |