Universal Licensing System
WRDD570
License details
| ULS identifier | 4145159 |
|---|---|
| Call sign | WRDD570 |
| Radio service | IG |
| Status | A |
| Grant date | 2019-04-02 |
| Expiration | 2029-04-02 |
| Frequency range | 451.45 - 469.9375 MHz (18 frequencies) |
| Locations | 1 |
| Representative location | Crookston, POLK, MN |
| Coordinates | 47.7647222, -96.6152778 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:24:59 |
Licensee
| Name | CHS West Central |
|---|---|
| Applicant type | C |
| FRN | 0007496680 |
| Location | Ulen, MN |
| Address | 329 1st Street SW, Ulen, MN, 56585 |
| Phone | 2185968821 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB2 | 451.45000000 | 100.000000 | 250.000000 | |||
| 2 | 1 | MO | 451.45000000 | 45.000000 | 87.000000 | |||
| 1 | 1 | FB2 | 452.20000000 | 100.000000 | 250.000000 | |||
| 2 | 1 | MO | 452.20000000 | 45.000000 | 87.000000 | |||
| 2 | 1 | MO | 456.45000000 | 45.000000 | 87.000000 | |||
| 2 | 1 | MO | 457.20000000 | 45.000000 | 87.000000 | |||
| 7 | 1 | FB2 | 463.31250000 | 100.000000 | 250.000000 | |||
| 8 | 1 | MO | 463.31250000 | 45.000000 | 87.000000 | |||
| 5 | 1 | FB2 | 463.76250000 | 100.000000 | 250.000000 | |||
| 6 | 1 | MO | 463.76250000 | 45.000000 | 87.000000 | |||
| 11 | 1 | MO | 464.02500000 | 45.000000 | 125.000000 | |||
| 11 | 1 | MO | 464.18750000 | 45.000000 | 125.000000 | |||
| 11 | 1 | MO | 464.33750000 | 45.000000 | 125.000000 | |||
| 10 | 1 | MO | 464.62500000 | 45.000000 | 87.000000 | |||
| 3 | 1 | FB2 | 464.63750000 | 100.000000 | 250.000000 | |||
| 4 | 1 | MO | 464.63750000 | 45.000000 | 87.000000 | |||
| 9 | 1 | MO | 464.63750000 | 45.000000 | 87.000000 | |||
| 10 | 1 | MO | 464.73750000 | 45.000000 | 87.000000 | |||
| 10 | 1 | MO | 464.93750000 | 45.000000 | 87.000000 | |||
| 8 | 1 | MO | 468.31250000 | 45.000000 | 87.000000 | |||
| 6 | 1 | MO | 468.76250000 | 45.000000 | 87.000000 | |||
| 10 | 1 | MO | 469.62500000 | 45.000000 | 87.000000 | |||
| 4 | 1 | MO | 469.63750000 | 45.000000 | 87.000000 | |||
| 10 | 1 | MO | 469.93750000 | 45.000000 | 87.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 451.45000000 | 11K2F3E | |
| 2 | 1 | 451.45000000 | 11K2F3E | |
| 1 | 1 | 452.20000000 | 11K2F3E | |
| 2 | 1 | 452.20000000 | 11K2F3E | |
| 2 | 1 | 456.45000000 | 11K2F3E | |
| 2 | 1 | 457.20000000 | 11K2F3E | |
| 7 | 1 | 463.31250000 | 11K2F3E | |
| 8 | 1 | 463.31250000 | 11K2F3E | |
| 5 | 1 | 463.76250000 | 11K2F3E | |
| 6 | 1 | 463.76250000 | 11K2F3E | |
| 11 | 1 | 464.02500000 | 4K00F1E | |
| 11 | 1 | 464.02500000 | 11K2F3E | |
| 11 | 1 | 464.02500000 | 4K00F1D | |
| 11 | 1 | 464.02500000 | 7K60F1E | |
| 11 | 1 | 464.18750000 | 11K2F3E | |
| 11 | 1 | 464.18750000 | 4K00F1E | |
| 11 | 1 | 464.18750000 | 4K00F1D | |
| 11 | 1 | 464.18750000 | 7K60F1E | |
| 11 | 1 | 464.33750000 | 11K2F3E | |
| 11 | 1 | 464.33750000 | 7K60F1E | |
| 11 | 1 | 464.33750000 | 4K00F1E | |
| 11 | 1 | 464.33750000 | 4K00F1D | |
| 10 | 1 | 464.62500000 | 7K60FXE | |
| 10 | 1 | 464.62500000 | 11K2F3E | |
| 10 | 1 | 464.62500000 | 4K00F7W | |
| 3 | 1 | 464.63750000 | 11K2F3E | |
| 4 | 1 | 464.63750000 | 11K2F3E | |
| 9 | 1 | 464.63750000 | 11K2F3E | |
| 10 | 1 | 464.73750000 | 7K60FXE | |
| 10 | 1 | 464.73750000 | 4K00F7W | |
| 10 | 1 | 464.73750000 | 11K2F3E | |
| 10 | 1 | 464.93750000 | 4K00F7W | |
| 10 | 1 | 464.93750000 | 11K2F3E | |
| 10 | 1 | 464.93750000 | 7K60FXE | |
| 8 | 1 | 468.31250000 | 11K2F3E | |
| 6 | 1 | 468.76250000 | 11K2F3E | |
| 10 | 1 | 469.62500000 | 4K00F7W | |
| 10 | 1 | 469.62500000 | 11K2F3E | |
| 10 | 1 | 469.62500000 | 7K60FXE | |
| 4 | 1 | 469.63750000 | 11K2F3E | |
| 10 | 1 | 469.93750000 | 4K00F7W | |
| 10 | 1 | 469.93750000 | 11K2F3E | |
| 10 | 1 | 469.93750000 | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 220 1ST STREET SW, ULEN, CLAY, MN | 47.07636111, -96.25866667 | 354.000 m | GTOWER | 38.000 m structure / 38.000 m overall | |
| 2 | T | ||||||
| 3 | T | 42670 450TH, PERHAM, OTTER TAIL, MN | 46.61444444, -95.60333333 | 419.000 m | BANT | 20.000 m structure / 26.000 m overall | |
| 4 | T | ||||||
| 5 | T | 606 ATLANTIC AVE, BELTRAMI, POLK, MN | 47.54250000, -96.53027778 | 292.000 m | SILO | 48.700 m structure / 51.900 m overall | |
| 6 | T | ||||||
| 7 | T | US HWY 59, 1/2 MILE SOUTH OF MAHNOMEN, MAHNOMEN, MAHNOMEN, MN | 47.30111111, -95.94777778 | 371.000 m | BMAST | 39.000 m structure / 45.000 m overall | |
| 8 | T | ||||||
| 9 | T | US HWY 59, 1/2 MILE SOUTH OF MAHNOMEN, MAHNOMEN, MAHNOMEN, MN | 47.30111111, -95.94777778 | ||||
| 10 | T | BELTRAMI, POLK, MN | 47.54250000, -96.53027778 | N | |||
| 11 | T | Crookston, POLK, MN | 47.76472222, -96.61527778 | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 38.000 m | 44.000 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 26.000 m | 28.000 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 6.400 m | 67.000 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 45.000 m | 37.000 | |||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | |||||||
| 1 | 10 | T | |||||||
| 1 | 11 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 329 1ST STREET SW, ULEN, MN | CLAY | 2185968821 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2026-07-10 | WRDD570 | LIMOD |
| 2026-01-22 | WRDD570 | LETCNS |
| 2025-04-17 | WRDD570 | LIMOD |
| 2025-01-21 | WRDD570 | LIASS |
| 2019-12-31 | WRDD570 | LETCNS |
| 2019-04-02 | WRDD570 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4145159 | 2026-08-02 01:24:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRDD570 | ULS 4145159 | 2026-08-02 01:24:59 |
| Status | A | ULS 4145159 | 2026-08-02 01:24:59 |
| Service | IG | ULS 4145159 | 2026-08-02 01:24:59 |
| Grant Date | 2019-04-02 | ULS 4145159 | 2026-08-02 01:24:59 |
| Expiration Date | 2029-04-02 | ULS 4145159 | 2026-08-02 01:24:59 |