Universal Licensing System
WRWI811
License details
| ULS identifier | 4729862 |
|---|---|
| Call sign | WRWI811 |
| Radio service | YJ |
| Status | A |
| Grant date | 2023-02-27 |
| Expiration | 2033-02-27 |
| Frequency range | 809.8875 - 855.0875 MHz (12 frequencies) |
| Locations | 12 |
| Representative location | DONKEN, HOUGHTON, MI |
| Coordinates | 46.9658333, -88.7666111 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:11:09 |
Licensee
| Name | Semco Energy Gas Company |
|---|---|
| Applicant type | C |
| FRN | 0002772945 |
| Location | Port Huron, MI |
| Address | 1411 Third Street, Suite A, Port Huron, MI, 480615004 |
| Phone | 8108875854 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 7 | 1 | MO | 809.88750000 | 100.000000 | 100.000000 | |||
| 10 | 1 | MO | 809.91250000 | 100.000000 | 100.000000 | |||
| 8 | 1 | MO | 810.01250000 | 100.000000 | 100.000000 | |||
| 9 | 1 | MO | 810.03750000 | 100.000000 | 100.000000 | |||
| 11 | 1 | MO | 810.06250000 | 100.000000 | 100.000000 | |||
| 12 | 1 | MO | 810.08750000 | 100.000000 | 100.000000 | |||
| 1 | 1 | FB2 | 854.88750000 | 100.000000 | 40.000000 | |||
| 4 | 1 | FB2 | 854.91250000 | 100.000000 | 160.000000 | |||
| 2 | 1 | FB2 | 855.01250000 | 100.000000 | 125.000000 | |||
| 3 | 1 | FB2 | 855.03750000 | 100.000000 | 125.000000 | |||
| 5 | 1 | FB2 | 855.06250000 | 100.000000 | 40.000000 | |||
| 6 | 1 | FB2 | 855.08750000 | 100.000000 | 125.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 7 | 1 | 809.88750000 | 8K70D1W | |
| 7 | 1 | 809.88750000 | 8K10F1E | |
| 10 | 1 | 809.91250000 | 8K10F1E | |
| 10 | 1 | 809.91250000 | 8K70D1W | |
| 8 | 1 | 810.01250000 | 8K10F1E | |
| 8 | 1 | 810.01250000 | 8K70D1W | |
| 9 | 1 | 810.03750000 | 8K70D1W | |
| 9 | 1 | 810.03750000 | 8K10F1E | |
| 11 | 1 | 810.06250000 | 8K10F1E | |
| 11 | 1 | 810.06250000 | 8K70D1W | |
| 12 | 1 | 810.08750000 | 8K70D1W | |
| 12 | 1 | 810.08750000 | 8K10F1E | |
| 1 | 1 | 854.88750000 | 8K10F1E | |
| 1 | 1 | 854.88750000 | 8K70D1W | |
| 4 | 1 | 854.91250000 | 8K70D1W | |
| 4 | 1 | 854.91250000 | 8K10F1E | |
| 2 | 1 | 855.01250000 | 8K70D1W | |
| 2 | 1 | 855.01250000 | 8K10F1E | |
| 3 | 1 | 855.03750000 | 8K10F1E | |
| 3 | 1 | 855.03750000 | 8K70D1W | |
| 5 | 1 | 855.06250000 | 8K10F1E | |
| 5 | 1 | 855.06250000 | 8K70D1W | |
| 6 | 1 | 855.08750000 | 8K70D1W | |
| 6 | 1 | 855.08750000 | 8K10F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 2 MI N OF DONKEN, DONKEN, HOUGHTON, MI | 46.96583333, -88.76661111 | 427.900 m | LTOWER | 144.800 m structure / 152.400 m overall | |
| 2 | T | EILOLA, BARAGA, HOUGHTON, MI | 46.85366667, -88.65600000 | 282.900 m | GTOWER | 117.300 m structure / 121.900 m overall | |
| 3 | T | SKANEE ROAD, SKANEE, BARAGA, MI | 46.86838889, -88.15266667 | 256.900 m | GTOWER | 144.800 m structure / 152.400 m overall | |
| 4 | T | R. L. SMITH BUILDING, HOUGHTON, HOUGHTON, MI | 47.11952778, -88.54883333 | 211.000 m | BANT | 51.800 m structure / 57.900 m overall | |
| 5 | T | CENTENNIAL CITY WEST OF BUMBLETOWN RD AT MONROE S, CENTENNIAL HEIGHTS, HOUGHTON, MI | 47.26550000, -88.44902778 | 387.400 m | GTOWER | 144.800 m structure / 152.400 m overall | |
| 6 | T | PARADISE ROAD, HOUGHTON, HOUGHTON, MI | 47.08483333, -88.57677778 | 303.000 m | GTOWER | 144.800 m structure / 152.400 m overall | |
| 7 | T | ||||||
| 8 | T | ||||||
| 9 | T | ||||||
| 10 | T | ||||||
| 11 | T | ||||||
| 12 | T |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 152.400 m | 255.800 | |||||
| 1 | 2 | T | 121.900 m | 150.100 | |||||
| 1 | 3 | T | 152.400 m | 147.100 | |||||
| 1 | 4 | T | 57.900 m | 8.400 | |||||
| 1 | 5 | T | 152.400 m | 283.500 | |||||
| 1 | 6 | T | 152.400 m | 191.100 | |||||
| 1 | 7 | T | |||||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | |||||||
| 1 | 10 | T | |||||||
| 1 | 11 | T | |||||||
| 1 | 12 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 1411 Third Street, Michigan, MI | ST. CLAIR | 6163928589 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2024-08-10 | WRWI811 | LIAUA |
| 2024-08-06 | WRWI811 | LETCNS |
| 2023-02-27 | WRWI811 | LIISS |
| 2023-02-27 | WRWI811 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4729862 | 2026-08-02 01:11:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRWI811 | ULS 4729862 | 2026-08-02 01:11:09 |
| Status | A | ULS 4729862 | 2026-08-02 01:11:09 |
| Service | YJ | ULS 4729862 | 2026-08-02 01:11:09 |
| Grant Date | 2023-02-27 | ULS 4729862 | 2026-08-02 01:11:09 |
| Expiration Date | 2033-02-27 | ULS 4729862 | 2026-08-02 01:11:09 |