Universal Licensing System
WROI758
NORTHERN NATURAL GAS
License details
| ULS identifier | 4513505 |
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| Call sign | WROI758 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-10-20 |
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| Expiration | 2031-10-20 |
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| Frequency range | 451.775 - 456.775 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | MN |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:05 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.77500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.77500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.77500000 | | 7K60FXE |
| 1 | 1 | 456.77500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MN | | | | | |
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 | 3730 KIRBY DR, SUITE 1200 PMB 165, HOUSTON, TX | HARRIS | 8328507646 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-11 | WROI758 | LIAUA |
| 2021-10-20 | WROI758 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4513505 | 2026-08-02 01:13:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROI758 | ULS 4513505 | 2026-08-02 01:13:05 |
| Status | A | ULS 4513505 | 2026-08-02 01:13:05 |
| Service | IG | ULS 4513505 | 2026-08-02 01:13:05 |
| Grant Date | 2021-10-20 | ULS 4513505 | 2026-08-02 01:13:05 |
| Expiration Date | 2031-10-20 | ULS 4513505 | 2026-08-02 01:13:05 |