Universal Licensing System
WREK386
Microsoft Corporation
License details
| ULS identifier | 4212249 |
|---|
| Call sign | WREK386 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2019-10-19 |
|---|
| Expiration | 2029-10-19 |
|---|
| Frequency range | 451.325 - 456.825 MHz (6 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Leesburg, LOUDOUN, VA |
|---|
| Coordinates | 39.0659444, -77.5559722 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:20 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.32500000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 451.32500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 451.32500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB2 | 451.77500000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 451.77500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 451.77500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB2 | 451.82500000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 451.82500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 451.82500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 456.32500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 456.32500000 | | | 25.000000 | 25.000000 | |
| 5 | 1 | FX1 | 456.32500000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 456.77500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 456.77500000 | | | 25.000000 | 25.000000 | |
| 5 | 1 | FX1 | 456.77500000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 456.82500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 456.82500000 | | | 25.000000 | 25.000000 | |
| 5 | 1 | FX1 | 456.82500000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.32500000 | | 7K60FXE |
| 1 | 1 | 451.32500000 | | 7K60F1W |
| 1 | 1 | 451.32500000 | | 7K60F7W |
| 2 | 1 | 451.32500000 | | 7K60F7W |
| 2 | 1 | 451.32500000 | | 7K60FXE |
| 2 | 1 | 451.32500000 | | 7K60F1W |
| 3 | 1 | 451.32500000 | | 7K60F1W |
| 3 | 1 | 451.32500000 | | 7K60F7W |
| 3 | 1 | 451.32500000 | | 7K60FXE |
| 1 | 1 | 451.77500000 | | 7K60FXE |
| 1 | 1 | 451.77500000 | | 7K60F1W |
| 1 | 1 | 451.77500000 | | 7K60F7W |
| 2 | 1 | 451.77500000 | | 7K60F1W |
| 2 | 1 | 451.77500000 | | 7K60FXE |
| 2 | 1 | 451.77500000 | | 7K60F7W |
| 3 | 1 | 451.77500000 | | 7K60FXE |
| 3 | 1 | 451.77500000 | | 7K60F1W |
| 3 | 1 | 451.77500000 | | 7K60F7W |
| 1 | 1 | 451.82500000 | | 7K60F7W |
| 1 | 1 | 451.82500000 | | 7K60FXE |
| 1 | 1 | 451.82500000 | | 7K60F1W |
| 2 | 1 | 451.82500000 | | 7K60FXE |
| 2 | 1 | 451.82500000 | | 7K60F7W |
| 2 | 1 | 451.82500000 | | 7K60F1W |
| 3 | 1 | 451.82500000 | | 7K60F1W |
| 3 | 1 | 451.82500000 | | 7K60FXE |
| 3 | 1 | 451.82500000 | | 7K60F7W |
| 2 | 1 | 456.32500000 | | 7K60F1W |
| 2 | 1 | 456.32500000 | | 7K60F7W |
| 2 | 1 | 456.32500000 | | 7K60FXE |
| 4 | 1 | 456.32500000 | | 7K60F7W |
| 4 | 1 | 456.32500000 | | 7K60FXE |
| 4 | 1 | 456.32500000 | | 7K60F1W |
| 5 | 1 | 456.32500000 | | 7K60F1W |
| 5 | 1 | 456.32500000 | | 7K60F7W |
| 5 | 1 | 456.32500000 | | 7K60FXE |
| 2 | 1 | 456.77500000 | | 7K60F1W |
| 2 | 1 | 456.77500000 | | 7K60F7W |
| 2 | 1 | 456.77500000 | | 7K60FXE |
| 4 | 1 | 456.77500000 | | 7K60FXE |
| 4 | 1 | 456.77500000 | | 7K60F1W |
| 4 | 1 | 456.77500000 | | 7K60F7W |
| 5 | 1 | 456.77500000 | | 7K60F1W |
| 5 | 1 | 456.77500000 | | 7K60F7W |
| 5 | 1 | 456.77500000 | | 7K60FXE |
| 2 | 1 | 456.82500000 | | 7K60F1W |
| 2 | 1 | 456.82500000 | | 7K60FXE |
| 2 | 1 | 456.82500000 | | 7K60F7W |
| 4 | 1 | 456.82500000 | | 7K60F7W |
| 4 | 1 | 456.82500000 | | 7K60FXE |
| 4 | 1 | 456.82500000 | | 7K60F1W |
| 5 | 1 | 456.82500000 | | 7K60F1W |
| 5 | 1 | 456.82500000 | | 7K60FXE |
| 5 | 1 | 456.82500000 | | 7K60F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 19540 Compass Creek Parkway, Leesburg, LOUDOUN, VA | 39.08308333, -77.56366667 | 111.000 m | BANT | 12.200 m structure / 14.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | 19540 Compass Creek Parkway, Leesburg, LOUDOUN, VA | 39.06594444, -77.55597222 | 104.000 m | BANT | 11.300 m structure / 13.100 m overall | N |
| 4 | T | | | | | | N |
| 5 | T | LOUDOUN, VA | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | 9.900 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 13.100 m | | | | 8.800 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | One Microsoft Way, Redmond, WA | KING | 4257068757 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-04 | WREK386 | LIMOD |
| 2019-10-19 | WREK386 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4212249 | 2026-08-02 01:23:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WREK386 | ULS 4212249 | 2026-08-02 01:23:20 |
| Status | A | ULS 4212249 | 2026-08-02 01:23:20 |
| Service | YG | ULS 4212249 | 2026-08-02 01:23:20 |
| Grant Date | 2019-10-19 | ULS 4212249 | 2026-08-02 01:23:20 |
| Expiration Date | 2029-10-19 | ULS 4212249 | 2026-08-02 01:23:20 |