Universal Licensing System
WRDS521
GRAND RIVER CONSTRUCTION INC
License details
| ULS identifier | 4178270 |
|---|
| Call sign | WRDS521 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-07-10 |
|---|
| Expiration | 2029-07-10 |
|---|
| Frequency range | 451.5375 - 469.5 MHz (7 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | MOLINE, ALLEGAN, MI |
|---|
| Coordinates | 42.7372500, -85.6211389 |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 451.53750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 451.63750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 464.50000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 467.81250000 | | | 2.000000 | 4.000000 | |
| 2 | 1 | MO | 468.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 469.50000000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.53750000 | | 7K60FXD |
| 2 | 1 | 451.53750000 | | 7K60FXE |
| 2 | 1 | 451.53750000 | | 11K2F3E |
| 2 | 1 | 451.63750000 | | 7K60FXE |
| 2 | 1 | 451.63750000 | | 7K60FXD |
| 2 | 1 | 451.63750000 | | 11K2F3E |
| 2 | 1 | 456.63750000 | | 7K60FXD |
| 2 | 1 | 456.63750000 | | 11K2F3E |
| 2 | 1 | 456.63750000 | | 7K60FXE |
| 1 | 1 | 464.50000000 | | 7K60FXE |
| 1 | 1 | 464.50000000 | | 7K60FXD |
| 1 | 1 | 464.50000000 | | 11K2F3E |
| 2 | 1 | 467.81250000 | | 11K2F3E |
| 2 | 1 | 467.81250000 | | 7K60FXE |
| 2 | 1 | 467.81250000 | | 7K60FXD |
| 2 | 1 | 468.81250000 | | 7K60FXD |
| 2 | 1 | 468.81250000 | | 11K2F3E |
| 2 | 1 | 468.81250000 | | 7K60FXE |
| 1 | 1 | 469.50000000 | | 7K60FXD |
| 1 | 1 | 469.50000000 | | 7K60FXE |
| 1 | 1 | 469.50000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | | | | | | |
| 2 | T | MOLINE, ALLEGAN, MI | 42.73725000, -85.62113889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5210 36TH AVE, HUDSONVILLE, MI | OTTAWA | 6166695611 |
License history
| Date | File or call sign | Action |
|---|
| 2020-08-31 | WRDS521 | FRATRE |
| 2020-08-19 | WRDS521 | PNLISR |
| 2020-08-19 | WRDS521 | LETTRS |
| 2020-04-14 | WRDS521 | LETCNS |
| 2019-07-10 | WRDS521 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4178270 | 2026-08-02 01:18:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDS521 | ULS 4178270 | 2026-08-02 01:18:15 |
| Status | A | ULS 4178270 | 2026-08-02 01:18:15 |
| Service | IG | ULS 4178270 | 2026-08-02 01:18:15 |
| Grant Date | 2019-07-10 | ULS 4178270 | 2026-08-02 01:18:15 |
| Expiration Date | 2029-07-10 | ULS 4178270 | 2026-08-02 01:18:15 |