Universal Licensing System
WRVQ338
Medical and Safety Engineering, Inc
License details
| ULS identifier | 4702699 |
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| Call sign | WRVQ338 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-12-21 |
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| Expiration | 2032-12-21 |
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| Frequency range | 451.3125 - 467.4875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9691389, -87.6580000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:01 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.58750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.58750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 462.48750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 467.48750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.31250000 | | 7K60FXE |
| 1 | 1 | 451.31250000 | | 11K2F3E |
| 1 | 1 | 451.58750000 | | 7K60FXE |
| 1 | 1 | 451.58750000 | | 11K2F3E |
| 1 | 1 | 456.58750000 | | 11K2F3E |
| 1 | 1 | 456.58750000 | | 7K60FXE |
| 1 | 1 | 462.48750000 | | 11K2F3E |
| 1 | 1 | 462.48750000 | | 7K60FXE |
| 1 | 1 | 467.48750000 | | 7K60FXE |
| 1 | 1 | 467.48750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CHICAGO, COOK, IL | 41.96913889, -87.65800000 | | | | |
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 | 1106 W. LAWRENCE AVE, CHICAGO, IL | COOK | 3126568341 |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-19 | WRVQ338 | LETCNS |
| 2022-12-21 | WRVQ338 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4702699 | 2026-08-02 01:23:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRVQ338 | ULS 4702699 | 2026-08-02 01:23:01 |
| Status | A | ULS 4702699 | 2026-08-02 01:23:01 |
| Service | IG | ULS 4702699 | 2026-08-02 01:23:01 |
| Grant Date | 2022-12-21 | ULS 4702699 | 2026-08-02 01:23:01 |
| Expiration Date | 2032-12-21 | ULS 4702699 | 2026-08-02 01:23:01 |