Universal Licensing System
WQWB257
Northstar Materials, dba Knife River Materials
License details
| ULS identifier | 3716376 |
|---|
| Call sign | WQWB257 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-04-15 |
|---|
| Expiration | 2035-07-07 |
|---|
| Frequency range | 152.2925 - 160.14 MHz (9 frequencies) |
|---|
| Locations | 6 |
|---|
| Representative location | Bemidji, BELTRAMI, MN |
|---|
| Coordinates | 47.5081389, -94.8747500 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:10:43 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 152.29250000 | | | 100.000000 | 200.000000 | |
| 2 | 1 | MO | 152.29250000 | | | 50.000000 | 50.000000 | |
| 4 | 1 | FB | 152.46500000 | | | 75.000000 | 150.000000 | |
| 5 | 1 | MO | 152.46500000 | | | 75.000000 | 75.000000 | |
| 4 | 1 | FB | 152.99000000 | | | 75.000000 | 150.000000 | |
| 5 | 1 | MO | 152.99000000 | | | 75.000000 | 75.000000 | |
| 6 | 1 | MO | 154.50500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 157.55250000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1 | 157.55250000 | | | 25.000000 | 25.000000 | |
| 6 | 1 | MO | 159.63000000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO | 159.64500000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO | 159.78000000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO | 160.14000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 152.29250000 | | 11K2F3E |
| 1 | 1 | 152.29250000 | | 4K00F1E |
| 2 | 1 | 152.29250000 | | 11K2F3E |
| 2 | 1 | 152.29250000 | | 4K00F1E |
| 4 | 1 | 152.46500000 | | 11K2F3E |
| 4 | 1 | 152.46500000 | | 4K00F1E |
| 5 | 1 | 152.46500000 | | 11K2F3E |
| 5 | 1 | 152.46500000 | | 4K00F1E |
| 4 | 1 | 152.99000000 | | 4K00F1E |
| 4 | 1 | 152.99000000 | | 11K2F3E |
| 5 | 1 | 152.99000000 | | 4K00F1E |
| 5 | 1 | 152.99000000 | | 11K2F3E |
| 6 | 1 | 154.50500000 | | 4K00F1E |
| 6 | 1 | 154.50500000 | | 11K2F3E |
| 2 | 1 | 157.55250000 | | 4K00F1E |
| 2 | 1 | 157.55250000 | | 11K2F3E |
| 3 | 1 | 157.55250000 | | 11K2F3E |
| 3 | 1 | 157.55250000 | | 4K00F1E |
| 6 | 1 | 159.63000000 | | 4K00F1E |
| 6 | 1 | 159.63000000 | | 11K2F3E |
| 6 | 1 | 159.64500000 | | 11K2F3E |
| 6 | 1 | 159.64500000 | | 4K00F1E |
| 6 | 1 | 159.78000000 | | 11K2F3E |
| 6 | 1 | 159.78000000 | | 4K00F1E |
| 6 | 1 | 160.14000000 | | 11K2F3E |
| 6 | 1 | 160.14000000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4101 Bemidji Ave N, Bemidji, BELTRAMI, MN | 47.50813889, -94.87475000 | 411.000 m | gTOWER | 27.000 m structure / 27.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | MN | | | | | |
| 4 | T | 15 Mi NNw on Hwy 69, Bemidji, BELTRAMI, MN | 47.60827778, -95.00305556 | 460.000 m | b | 58.000 m structure / 58.000 m overall | |
| 5 | T | | | | | | |
| 6 | T | Bemidji, BELTRAMI, MN | 47.50813889, -94.87475000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 27.000 m | V | | | 16.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 58.000 m | V | | | 72.700 | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4101 Bemidji Ave N, Bemidji, MN | BELTRAMI | 2187515413 |
License history
| Date | File or call sign | Action |
|---|
| 2025-04-15 | WQWB257 | LIREN |
| 2025-04-14 | WQWB257 | LETRES |
| 2023-06-01 | WQWB257 | LITRAN |
| 2016-04-02 | WQWB257 | LETCNS |
| 2015-07-07 | WQWB257 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3716376 | 2026-08-02 01:10:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQWB257 | ULS 3716376 | 2026-08-02 01:10:43 |
| Status | A | ULS 3716376 | 2026-08-02 01:10:43 |
| Service | IG | ULS 3716376 | 2026-08-02 01:10:43 |
| Grant Date | 2025-04-15 | ULS 3716376 | 2026-08-02 01:10:43 |
| Expiration Date | 2035-07-07 | ULS 3716376 | 2026-08-02 01:10:43 |