Universal Licensing System
WRBX258
License details
| ULS identifier | 4065582 |
|---|---|
| Call sign | WRBX258 |
| Radio service | IG |
| Status | A |
| Grant date | 2018-07-14 |
| Expiration | 2028-07-14 |
| Frequency range | 451.3875 - 469.7875 MHz (9 frequencies) |
| Locations | 2 |
| Representative location | Mountain View, SANTA CLARA, CA |
| Coordinates | 37.4050556, -122.1113611 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:18:21 |
Licensee
| Name | Meta Platforms, Inc. |
|---|---|
| Applicant type | C |
| FRN | 0015722945 |
| Location | Menlo Park, CA |
| Address | 1601 Willow Road, Menlo Park, CA, 94025 |
| Phone | 6505434800 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 5 | 1 | FB2 | 451.38750000 | 20.000000 | 20.000000 | |||
| 6 | 1 | MO | 451.38750000 | 4.000000 | 4.000000 | |||
| 1 | 1 | FB2 | 451.51250000 | 20.000000 | 20.000000 | |||
| 2 | 1 | MO | 451.51250000 | 4.000000 | 4.000000 | |||
| 7 | 1 | FB2 | 452.97500000 | 40.000000 | 40.000000 | |||
| 8 | 1 | MO | 452.97500000 | 4.000000 | 4.000000 | |||
| 6 | 1 | MO | 456.38750000 | 4.000000 | 4.000000 | |||
| 2 | 1 | MO | 456.51250000 | 4.000000 | 4.000000 | |||
| 8 | 1 | MO | 457.97500000 | 4.000000 | 4.000000 | |||
| 3 | 1 | FB2 | 461.25000000 | 50.000000 | 50.000000 | |||
| 4 | 1 | MO | 461.25000000 | 4.000000 | 4.000000 | |||
| 11 | 1 | FB2 | 464.36250000 | 20.000000 | 20.000000 | |||
| 12 | 1 | MO | 464.36250000 | 4.000000 | 4.000000 | |||
| 9 | 1 | FB2 | 464.78750000 | 40.000000 | 40.000000 | |||
| 10 | 1 | MO | 464.78750000 | 4.000000 | 4.000000 | |||
| 4 | 1 | MO | 466.25000000 | 4.000000 | 4.000000 | |||
| 12 | 1 | MO | 469.36250000 | 4.000000 | 4.000000 | |||
| 10 | 1 | MO | 469.78750000 | 4.000000 | 4.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 5 | 1 | 451.38750000 | 11K2F3E | |
| 5 | 1 | 451.38750000 | 7K60FXE | |
| 6 | 1 | 451.38750000 | 7K60FXE | |
| 6 | 1 | 451.38750000 | 11K2F3E | |
| 1 | 1 | 451.51250000 | 11K2F3E | |
| 1 | 1 | 451.51250000 | 7K60FXE | |
| 2 | 1 | 451.51250000 | 7K60FXE | |
| 2 | 1 | 451.51250000 | 11K2F3E | |
| 7 | 1 | 452.97500000 | 7K60FXE | |
| 7 | 1 | 452.97500000 | 11K2F3E | |
| 7 | 1 | 452.97500000 | 7K60FXD | |
| 8 | 1 | 452.97500000 | 7K60FXD | |
| 8 | 1 | 452.97500000 | 7K60FXE | |
| 8 | 1 | 452.97500000 | 11K2F3E | |
| 6 | 1 | 456.38750000 | 11K2F3E | |
| 6 | 1 | 456.38750000 | 7K60FXE | |
| 2 | 1 | 456.51250000 | 11K2F3E | |
| 2 | 1 | 456.51250000 | 7K60FXE | |
| 8 | 1 | 457.97500000 | 11K2F3E | |
| 8 | 1 | 457.97500000 | 7K60FXD | |
| 8 | 1 | 457.97500000 | 7K60FXE | |
| 3 | 1 | 461.25000000 | 7K60FXE | |
| 3 | 1 | 461.25000000 | 11K2F3E | |
| 4 | 1 | 461.25000000 | 7K60FXE | |
| 4 | 1 | 461.25000000 | 11K2F3E | |
| 11 | 1 | 464.36250000 | 7K60FXD | |
| 11 | 1 | 464.36250000 | 7K60FXE | |
| 11 | 1 | 464.36250000 | 11K2F3E | |
| 12 | 1 | 464.36250000 | 11K2F3E | |
| 12 | 1 | 464.36250000 | 7K60FXE | |
| 12 | 1 | 464.36250000 | 7K60FXD | |
| 9 | 1 | 464.78750000 | 11K2F3E | |
| 9 | 1 | 464.78750000 | 7K60FXE | |
| 9 | 1 | 464.78750000 | 7K60FXD | |
| 10 | 1 | 464.78750000 | 7K60FXE | |
| 10 | 1 | 464.78750000 | 7K60FXD | |
| 10 | 1 | 464.78750000 | 11K2F3E | |
| 4 | 1 | 466.25000000 | 11K2F3E | |
| 4 | 1 | 466.25000000 | 7K60FXE | |
| 12 | 1 | 469.36250000 | 11K2F3E | |
| 12 | 1 | 469.36250000 | 7K60FXD | |
| 12 | 1 | 469.36250000 | 7K60FXE | |
| 10 | 1 | 469.78750000 | 7K60FXD | |
| 10 | 1 | 469.78750000 | 7K60FXE | |
| 10 | 1 | 469.78750000 | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 191 N. Upper Wacker Drive, Chicago, COOK, IL | 41.88472222, -87.63719444 | 178.000 m | B | 192.000 m structure / 192.000 m overall | |
| 2 | T | ||||||
| 3 | T | 401 San Antonio Road, Mountain View, SANTA CLARA, CA | 37.40475000, -122.11111111 | 16.000 m | BANT | 26.800 m structure / 27.700 m overall | N |
| 4 | T | N | |||||
| 5 | T | 250 Bryant Street, Mountain View, SANTA CLARA, CA | 37.39361111, -122.08077778 | 22.000 m | B | 11.900 m structure / 11.900 m overall | N |
| 6 | T | N | |||||
| 7 | T | 1415 Park Avenue West, Denver, DENVER, CO | 39.75683333, -104.98988889 | 1586.000 m | B | 6.100 m structure / 6.100 m overall | N |
| 8 | T | N | |||||
| 9 | T | 100 Binney St., Cambridge, MIDDLESEX, MA | 42.36541667, -71.08086111 | 2.000 m | BANT | 64.000 m structure / 65.500 m overall | N |
| 10 | T | N | |||||
| 11 | T | 390 San Antonio Rd., Mountain View, SANTA CLARA, CA | 37.40505556, -122.11136111 | 16.000 m | B | 26.800 m structure / 26.800 m overall | N |
| 12 | T | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 22.800 m | 21.500 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 27.700 m | -76.000 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 11.900 m | -68.100 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 6.100 m | -39.600 | |||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | 65.500 m | 47.500 | |||||
| 1 | 10 | T | |||||||
| 1 | 11 | T | 9.100 m | -93.700 | |||||
| 1 | 12 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 1601 Willow Road, Menlo Park, CA | SAN MATEO | 6505434800 |
Special conditions
| Type | Condition code |
|---|---|
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2021-10-30 | WRBX258 | LIAUA |
| 2019-11-12 | WRBX258 | LIMOD |
| 2019-02-26 | WRBX258 | LIMOD |
| 2018-07-14 | WRBX258 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4065582 | 2026-08-02 01:18:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRBX258 | ULS 4065582 | 2026-08-02 01:18:21 |
| Status | A | ULS 4065582 | 2026-08-02 01:18:21 |
| Service | IG | ULS 4065582 | 2026-08-02 01:18:21 |
| Grant Date | 2018-07-14 | ULS 4065582 | 2026-08-02 01:18:21 |
| Expiration Date | 2028-07-14 | ULS 4065582 | 2026-08-02 01:18:21 |