Universal Licensing System
WSIQ427
Boston Properties
License details
| ULS identifier | 5147738 |
|---|
| Call sign | WSIQ427 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-06-07 |
|---|
| Expiration | 2035-06-07 |
|---|
| Frequency range | 461.85 - 469.625 MHz (8 frequencies) |
|---|
| Locations | 6 |
|---|
| Representative location | Reston, FAIRFAX, VA |
|---|
| Coordinates | 38.9615000, -77.3585833 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:11:47 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.85000000 | | | 100.000000 | 175.000000 | |
| 2 | 1 | MO | 461.85000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 461.97500000 | | | 100.000000 | 175.000000 | |
| 2 | 1 | MO | 461.97500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 464.13750000 | | | 50.000000 | 25.000000 | |
| 4 | 1 | MO | 464.13750000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FB2 | 464.62500000 | | | 50.000000 | 25.000000 | |
| 6 | 1 | MO | 464.62500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.85000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.97500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 469.13750000 | | | 4.000000 | 4.000000 | |
| 6 | 1 | MO | 469.62500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.85000000 | | 7K60FXE |
| 1 | 1 | 461.85000000 | | 7K60FXD |
| 2 | 1 | 461.85000000 | | 7K60FXE |
| 2 | 1 | 461.85000000 | | 7K60FXD |
| 1 | 1 | 461.97500000 | | 7K60FXD |
| 1 | 1 | 461.97500000 | | 7K60FXE |
| 2 | 1 | 461.97500000 | | 7K60FXD |
| 2 | 1 | 461.97500000 | | 7K60FXE |
| 3 | 1 | 464.13750000 | | 7K60FXE |
| 3 | 1 | 464.13750000 | | 7K60FXD |
| 4 | 1 | 464.13750000 | | 7K60FXD |
| 4 | 1 | 464.13750000 | | 7K60FXE |
| 5 | 1 | 464.62500000 | | 7K60FXD |
| 5 | 1 | 464.62500000 | | 7K60FXE |
| 6 | 1 | 464.62500000 | | 7K60FXE |
| 6 | 1 | 464.62500000 | | 7K60FXD |
| 2 | 1 | 466.85000000 | | 7K60FXD |
| 2 | 1 | 466.85000000 | | 7K60FXE |
| 2 | 1 | 466.97500000 | | 7K60FXD |
| 2 | 1 | 466.97500000 | | 7K60FXE |
| 4 | 1 | 469.13750000 | | 7K60FXD |
| 4 | 1 | 469.13750000 | | 7K60FXE |
| 6 | 1 | 469.62500000 | | 7K60FXE |
| 6 | 1 | 469.62500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11951 FREEDOM DRIVE, Reston, FAIRFAX, VA | 38.96150000, -77.35858333 | 83.000 m | B | 30.000 m structure / 30.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | 11850 Freedom Drive, Reston, FAIRFAX, VA | 38.95972222, -77.35630556 | 127.000 m | B | 53.300 m structure / 53.300 m overall | |
| 4 | T | | | | | | |
| 5 | T | 1750 Presidents Street, Reston, FAIRFAX, VA | 38.95894444, -77.35555556 | 130.000 m | B | 83.800 m structure / 83.800 m overall | |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | 55.700 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 3.000 m | | | | 37.600 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 77.700 m | | | | 112.300 | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 11951 FREEDOM DRIVE, Reston, VA | FAIRFAX | 7033754300 |
| 2 | 11850 Freedom Drive, Reston, VA | FAIRFAX | 7033754300 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-10 | WSIQ427 | LETCNS |
| 2025-06-07 | WSIQ427 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5147738 | 2026-08-02 01:11:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIQ427 | ULS 5147738 | 2026-08-02 01:11:47 |
| Status | A | ULS 5147738 | 2026-08-02 01:11:47 |
| Service | IG | ULS 5147738 | 2026-08-02 01:11:47 |
| Grant Date | 2025-06-07 | ULS 5147738 | 2026-08-02 01:11:47 |
| Expiration Date | 2035-06-07 | ULS 5147738 | 2026-08-02 01:11:47 |