Universal Licensing System
WRPS581
LOUDOUN COUNTY PUBLIC SCHOOLS
License details
| ULS identifier | 4567934 |
|---|
| Call sign | WRPS581 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-03-12 |
|---|
| Expiration | 2032-03-12 |
|---|
| Frequency range | 451.3 - 457.05 MHz (8 frequencies) |
|---|
| Locations | 8 |
|---|
| Representative location | STERLING, LOUDOUN, VA |
|---|
| Coordinates | 38.9899167, -77.4013056 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:11:13 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | FB2 | 451.30000000 | | | 5.000000 | 5.000000 | |
| 8 | 1 | MO | 451.30000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.42500000 | | | 5.000000 | 5.000000 | |
| 5 | 1 | MO | 451.42500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 451.87500000 | | | 5.000000 | 5.000000 | |
| 7 | 1 | MO | 451.87500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FB2 | 452.05000000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | MO | 452.05000000 | | | 4.000000 | 4.000000 | |
| 8 | 1 | MO | 456.30000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 456.42500000 | | | 4.000000 | 4.000000 | |
| 7 | 1 | MO | 456.87500000 | | | 4.000000 | 4.000000 | |
| 6 | 1 | MO | 457.05000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 451.30000000 | | 7K60FXD |
| 4 | 1 | 451.30000000 | | 11K0F3E |
| 4 | 1 | 451.30000000 | | 4K00F1D |
| 4 | 1 | 451.30000000 | | 4K00F1E |
| 4 | 1 | 451.30000000 | | 7K60FXE |
| 4 | 1 | 451.30000000 | | 8K10F1E |
| 4 | 1 | 451.30000000 | | 8K30F7W |
| 8 | 1 | 451.30000000 | | 4K00F1E |
| 8 | 1 | 451.30000000 | | 7K60FXD |
| 8 | 1 | 451.30000000 | | 7K60FXE |
| 8 | 1 | 451.30000000 | | 11K0F3E |
| 8 | 1 | 451.30000000 | | 8K30F7W |
| 8 | 1 | 451.30000000 | | 8K10F1E |
| 8 | 1 | 451.30000000 | | 4K00F1D |
| 1 | 1 | 451.42500000 | | 8K30F7W |
| 1 | 1 | 451.42500000 | | 11K0F3E |
| 1 | 1 | 451.42500000 | | 8K10F1E |
| 1 | 1 | 451.42500000 | | 4K00F1D |
| 1 | 1 | 451.42500000 | | 7K60FXE |
| 1 | 1 | 451.42500000 | | 7K60FXD |
| 1 | 1 | 451.42500000 | | 4K00F1E |
| 5 | 1 | 451.42500000 | | 8K30F7W |
| 5 | 1 | 451.42500000 | | 11K0F3E |
| 5 | 1 | 451.42500000 | | 8K10F1E |
| 5 | 1 | 451.42500000 | | 7K60FXD |
| 5 | 1 | 451.42500000 | | 7K60FXE |
| 5 | 1 | 451.42500000 | | 4K00F1D |
| 5 | 1 | 451.42500000 | | 4K00F1E |
| 3 | 1 | 451.87500000 | | 11K0F3E |
| 3 | 1 | 451.87500000 | | 7K60FXE |
| 3 | 1 | 451.87500000 | | 8K10F1E |
| 3 | 1 | 451.87500000 | | 8K30F7W |
| 3 | 1 | 451.87500000 | | 7K60FXD |
| 3 | 1 | 451.87500000 | | 4K00F1D |
| 3 | 1 | 451.87500000 | | 4K00F1E |
| 7 | 1 | 451.87500000 | | 4K00F1D |
| 7 | 1 | 451.87500000 | | 8K30F7W |
| 7 | 1 | 451.87500000 | | 11K0F3E |
| 7 | 1 | 451.87500000 | | 8K10F1E |
| 7 | 1 | 451.87500000 | | 7K60FXE |
| 7 | 1 | 451.87500000 | | 7K60FXD |
| 7 | 1 | 451.87500000 | | 4K00F1E |
| 2 | 1 | 452.05000000 | | 4K00F1E |
| 2 | 1 | 452.05000000 | | 7K60FXE |
| 2 | 1 | 452.05000000 | | 7K60FXD |
| 2 | 1 | 452.05000000 | | 8K30F7W |
| 2 | 1 | 452.05000000 | | 4K00F1D |
| 2 | 1 | 452.05000000 | | 11K0F3E |
| 2 | 1 | 452.05000000 | | 8K10F1E |
| 6 | 1 | 452.05000000 | | 8K30F7W |
| 6 | 1 | 452.05000000 | | 7K60FXE |
| 6 | 1 | 452.05000000 | | 11K0F3E |
| 6 | 1 | 452.05000000 | | 4K00F1E |
| 6 | 1 | 452.05000000 | | 7K60FXD |
| 6 | 1 | 452.05000000 | | 8K10F1E |
| 6 | 1 | 452.05000000 | | 4K00F1D |
| 8 | 1 | 456.30000000 | | 7K60FXD |
| 8 | 1 | 456.30000000 | | 11K0F3E |
| 8 | 1 | 456.30000000 | | 8K10F1E |
| 8 | 1 | 456.30000000 | | 8K30F7W |
| 8 | 1 | 456.30000000 | | 4K00F1D |
| 8 | 1 | 456.30000000 | | 7K60FXE |
| 8 | 1 | 456.30000000 | | 4K00F1E |
| 5 | 1 | 456.42500000 | | 8K30F7W |
| 5 | 1 | 456.42500000 | | 4K00F1D |
| 5 | 1 | 456.42500000 | | 8K10F1E |
| 5 | 1 | 456.42500000 | | 7K60FXE |
| 5 | 1 | 456.42500000 | | 11K0F3E |
| 5 | 1 | 456.42500000 | | 7K60FXD |
| 5 | 1 | 456.42500000 | | 4K00F1E |
| 7 | 1 | 456.87500000 | | 4K00F1D |
| 7 | 1 | 456.87500000 | | 8K30F7W |
| 7 | 1 | 456.87500000 | | 8K10F1E |
| 7 | 1 | 456.87500000 | | 11K0F3E |
| 7 | 1 | 456.87500000 | | 7K60FXD |
| 7 | 1 | 456.87500000 | | 4K00F1E |
| 7 | 1 | 456.87500000 | | 7K60FXE |
| 6 | 1 | 457.05000000 | | 7K60FXE |
| 6 | 1 | 457.05000000 | | 4K00F1D |
| 6 | 1 | 457.05000000 | | 4K00F1E |
| 6 | 1 | 457.05000000 | | 11K0F3E |
| 6 | 1 | 457.05000000 | | 8K10F1E |
| 6 | 1 | 457.05000000 | | 8K30F7W |
| 6 | 1 | 457.05000000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 46245 FOREST RIDGE DRIVE, STERLING, LOUDOUN, VA | 38.98991667, -77.40130556 | 123.000 m | BANT | 4.200 m structure / 9.100 m overall | |
| 2 | T | 440 SOUTH NURSERY AVENUE, PURCELLVILLE, LOUDOUN, VA | 39.13008333, -77.71844444 | 172.000 m | BANT | 4.200 m structure / 9.100 m overall | |
| 3 | T | 42360 CREIGHTON ROAD, STONE RIDGE, LOUDOUN, VA | 38.97794444, -77.54430556 | 118.000 m | BANT | 8.500 m structure / 12.100 m overall | |
| 4 | T | 23171 MINERVA DRIVE, ASHBURN, LOUDOUN, VA | 38.97188889, -77.52816667 | 95.000 m | BANT | 4.200 m structure / 9.100 m overall | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
| 7 | T | | | | | | |
| 8 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.100 m | | | | 36.000 | |
| 1 | 2 | T | | 9.100 m | | | | 5.100 | |
| 1 | 3 | T | | 12.100 m | | | | 25.200 | |
| 1 | 4 | T | | 9.100 m | | | | 0.700 | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 42000 LOUDOUN CENTER PLACE, LEESBURG, VA | LOUDOUN | 5712521740 |
License history
| Date | File or call sign | Action |
|---|
| 2022-03-12 | WRPS581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4567934 | 2026-08-02 01:11:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRPS581 | ULS 4567934 | 2026-08-02 01:11:13 |
| Status | A | ULS 4567934 | 2026-08-02 01:11:13 |
| Service | IG | ULS 4567934 | 2026-08-02 01:11:13 |
| Grant Date | 2022-03-12 | ULS 4567934 | 2026-08-02 01:11:13 |
| Expiration Date | 2032-03-12 | ULS 4567934 | 2026-08-02 01:11:13 |