Universal Licensing System
WQBX921
Boston Properties
License details
| ULS identifier | 2684277 |
|---|
| Call sign | WQBX921 |
|---|
| Radio service | IG |
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| Status | A |
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| Grant date | 2024-12-07 |
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| Expiration | 2035-01-04 |
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| Frequency range | 451.9875 - 456.9875 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | Washington, Washington, DC |
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| Coordinates | 38.9021111, -77.0241944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:32 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.98750000 | | | 40.000000 | 10.000000 | |
| 2 | 1 | MO | 451.98750000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 456.46250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 456.68750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.98750000 | | | 10.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.98750000 | | 7K60FXE |
| 1 | 1 | 451.98750000 | | 11K2F3E |
| 2 | 1 | 451.98750000 | | 7K60FXE |
| 2 | 1 | 451.98750000 | | 11K2F3E |
| 3 | 1 | 456.46250000 | | 7K60FXE |
| 3 | 1 | 456.46250000 | | 11K2F3E |
| 3 | 1 | 456.68750000 | | 11K2F3E |
| 3 | 1 | 456.68750000 | | 7K60FXE |
| 2 | 1 | 456.98750000 | | 11K2F3E |
| 2 | 1 | 456.98750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 901 New York Avenue, N.W., Washington, Washington, DC | 38.90211111, -77.02419444 | 20.100 m | B | 6.000 m structure / 6.000 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | Washington, Washington, DC | 38.90211111, -77.02419444 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 6.000 m | | 0.0000 | 0.0000 | -27.300 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 901 New York Avenue NW, Washington, DC | Washington | 2022890041 |
License history
| Date | File or call sign | Action |
|---|
| 2024-12-07 | WQBX921 | LIREN |
| 2024-10-14 | WQBX921 | LETRES |
| 2018-03-14 | WQBX921 | LIMOD |
| 2015-01-01 | WQBX921 | LIREN |
| 2014-10-13 | WQBX921 | LETRES |
| 2011-11-22 | WQBX921 | LETCNS |
| 2011-02-23 | WQBX921 | LIMOD |
| 2005-10-03 | WQBX921 | LETCNS |
| 2005-01-04 | WQBX921 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2684277 | 2026-08-02 01:17:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQBX921 | ULS 2684277 | 2026-08-02 01:17:32 |
| Status | A | ULS 2684277 | 2026-08-02 01:17:32 |
| Service | IG | ULS 2684277 | 2026-08-02 01:17:32 |
| Grant Date | 2024-12-07 | ULS 2684277 | 2026-08-02 01:17:32 |
| Expiration Date | 2035-01-04 | ULS 2684277 | 2026-08-02 01:17:32 |