Universal Licensing System
WPMH561
Microsoft
License details
| ULS identifier | 1794569 |
|---|
| Call sign | WPMH561 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-05-17 |
|---|
| Expiration | 2033-07-28 |
|---|
| Frequency range | 451.4 - 457.4 MHz (10 frequencies) |
|---|
| Locations | 5 |
|---|
| Representative location | ISSAQUA, KING, WA |
|---|
| Coordinates | 47.5048333, -121.9715000 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:25:12 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.40000000 | | | 75.000000 | 17.000000 | |
| 2 | 1 | FB2 | 451.40000000 | | | 75.000000 | 54.000000 | |
| 1 | 1 | FB2 | 451.60000000 | | | 75.000000 | 17.000000 | |
| 2 | 1 | FB2 | 451.60000000 | | | 75.000000 | 54.000000 | |
| 3 | 1 | FB2 | 451.60000000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB2 | 451.67500000 | | | 75.000000 | 17.000000 | |
| 2 | 1 | FB2 | 451.67500000 | | | 75.000000 | 54.000000 | |
| 1 | 1 | FB2 | 451.95000000 | | | 75.000000 | 17.000000 | |
| 2 | 1 | FB2 | 451.95000000 | | | 75.000000 | 54.000000 | |
| 3 | 1 | FB2 | 451.95000000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB2 | 452.40000000 | | | 75.000000 | 17.000000 | |
| 2 | 1 | FB2 | 452.40000000 | | | 75.000000 | 54.000000 | |
| 3 | 1 | FB2 | 452.40000000 | | | 75.000000 | 75.000000 | |
| 4 | 1 | FX1 | 456.40000000 | | | 20.000000 | 5.000000 | |
| 5 | 1 | MO | 456.40000000 | | | 4.000000 | | |
| 4 | 1 | FX1 | 456.60000000 | | | 20.000000 | 5.000000 | |
| 5 | 1 | MO | 456.60000000 | | | 4.000000 | | |
| 4 | 1 | FX1 | 456.67500000 | | | 20.000000 | 5.000000 | |
| 5 | 1 | MO | 456.67500000 | | | 4.000000 | | |
| 4 | 1 | FX1 | 456.95000000 | | | 20.000000 | 5.000000 | |
| 5 | 1 | MO | 456.95000000 | | | 4.000000 | | |
| 4 | 1 | FX1 | 457.40000000 | | | 20.000000 | 5.000000 | |
| 5 | 1 | MO | 457.40000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.40000000 | | 11K2F2D |
| 1 | 1 | 451.40000000 | | 11K2F3E |
| 2 | 1 | 451.40000000 | | 11K2F3E |
| 2 | 1 | 451.40000000 | | 11K2F2D |
| 1 | 1 | 451.60000000 | | 11K2F2D |
| 1 | 1 | 451.60000000 | | 11K2F3E |
| 2 | 1 | 451.60000000 | | 11K2F3E |
| 2 | 1 | 451.60000000 | | 11K2F2D |
| 3 | 1 | 451.60000000 | | 11K2F2D |
| 3 | 1 | 451.60000000 | | 11K2F3E |
| 1 | 1 | 451.67500000 | | 11K2F2D |
| 1 | 1 | 451.67500000 | | 11K2F3E |
| 2 | 1 | 451.67500000 | | 11K2F2D |
| 2 | 1 | 451.67500000 | | 11K2F3E |
| 1 | 1 | 451.95000000 | | 11K2F3E |
| 1 | 1 | 451.95000000 | | 11K2F2D |
| 2 | 1 | 451.95000000 | | 11K2F3E |
| 2 | 1 | 451.95000000 | | 11K2F2D |
| 3 | 1 | 451.95000000 | | 11K2F3E |
| 3 | 1 | 451.95000000 | | 11K2F2D |
| 1 | 1 | 452.40000000 | | 11K2F2D |
| 1 | 1 | 452.40000000 | | 11K2F3E |
| 2 | 1 | 452.40000000 | | 11K2F2D |
| 2 | 1 | 452.40000000 | | 11K2F3E |
| 3 | 1 | 452.40000000 | | 11K2F3E |
| 3 | 1 | 452.40000000 | | 11K2F2D |
| 4 | 1 | 456.40000000 | | 11K2F2D |
| 4 | 1 | 456.40000000 | | 11K2F3E |
| 5 | 1 | 456.40000000 | | 11K2F2D |
| 5 | 1 | 456.40000000 | | 11K2F3E |
| 4 | 1 | 456.60000000 | | 11K2F3E |
| 4 | 1 | 456.60000000 | | 11K2F2D |
| 5 | 1 | 456.60000000 | | 11K2F3E |
| 5 | 1 | 456.60000000 | | 11K2F2D |
| 4 | 1 | 456.67500000 | | 11K2F3E |
| 4 | 1 | 456.67500000 | | 11K2F2D |
| 5 | 1 | 456.67500000 | | 11K2F3E |
| 5 | 1 | 456.67500000 | | 11K2F2D |
| 4 | 1 | 456.95000000 | | 11K2F3E |
| 4 | 1 | 456.95000000 | | 11K2F2D |
| 5 | 1 | 456.95000000 | | 11K2F2D |
| 5 | 1 | 456.95000000 | | 11K2F3E |
| 4 | 1 | 457.40000000 | | 11K2F2D |
| 4 | 1 | 457.40000000 | | 11K2F3E |
| 5 | 1 | 457.40000000 | | 11K2F3E |
| 5 | 1 | 457.40000000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WEST TIGER MT, ISSAQUA, KING, WA | 47.50483333, -121.97150000 | 875.000 m | TOWER | 25.000 m structure / 25.000 m overall | N |
| 2 | T | COUGAR MT, RENTON, KING, WA | 47.54205556, -122.10816667 | 442.000 m | TOWER | 61.000 m structure / 61.000 m overall | N |
| 3 | T | MICROSOFT BLD #43, REDMOND, KING, WA | 47.64011111, -122.13455556 | 111.000 m | B | 21.000 m structure / 21.000 m overall | N |
| 4 | T | WA | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 25.000 m | | | | 670.000 | |
| 1 | 2 | T | | 61.000 m | | | | 380.000 | |
| 1 | 3 | T | | 21.000 m | | | | 47.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | One Microsoft Way, Redmond, WA | KING | 4258828080 |
License history
| Date | File or call sign | Action |
|---|
| 2023-05-17 | WPMH561 | LIREN |
| 2023-05-01 | WPMH561 | LETRES |
| 2015-08-26 | WPMH561 | LIAUA |
| 2015-08-26 | WPMH561 | LTSAPR |
| 2013-05-02 | WPMH561 | LIREN |
| 2013-05-01 | WPMH561 | ESUAPR |
| 2004-06-23 | WPMH561 | LIAUA |
| 2004-06-22 | WPMH561 | ESCAPR |
| 2004-02-21 | WPMH561 | LIAUA |
| 2003-06-05 | WPMH561 | LIREN |
| 2003-05-05 | WPMH561 | LETRES |
| 2002-07-09 | WPMH561 | AUDOPR |
| 2000-11-23 | WPMH561 | LICCNV |
| 2000-01-18 | WPMH561 | LIMOD |
| 2000-01-18 | WPMH561 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1794569 | 2026-08-02 01:25:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMH561 | ULS 1794569 | 2026-08-02 01:25:12 |
| Status | A | ULS 1794569 | 2026-08-02 01:25:12 |
| Service | IG | ULS 1794569 | 2026-08-02 01:25:12 |
| Grant Date | 2023-05-17 | ULS 1794569 | 2026-08-02 01:25:12 |
| Expiration Date | 2033-07-28 | ULS 1794569 | 2026-08-02 01:25:12 |