Universal Licensing System
WSEC577
Northern Virginia Emergency Response System
License details
| ULS identifier | 4993364 |
|---|
| Call sign | WSEC577 |
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| Radio service | YG |
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| Status | A |
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| Grant date | 2024-08-07 |
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| Expiration | 2034-08-07 |
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| Frequency range | 461.225 - 469.3375 MHz (4 frequencies) |
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| Locations | 5 |
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| Representative location | Chantilly, FAIRFAX, VA |
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| Coordinates | 38.8732778, -77.4596944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:12 |
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Licensee
| Name | Northern Virginia Emergency Response System |
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| Applicant type | C |
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| FRN | 0034881573 |
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| Location | Chantilly, VA |
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| Address | 1480 Conference Center Dr, Chantilly, VA, 20151 |
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| Phone | 8042510429 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.22500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 461.22500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | FB2 | 464.33750000 | | | 50.000000 | 50.000000 | |
| 4 | 1 | MO | 464.33750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 466.22500000 | | | 40.000000 | 40.000000 | |
| 5 | 1 | FX1 | 466.22500000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 469.33750000 | | | 40.000000 | 40.000000 | |
| 5 | 1 | FX1 | 469.33750000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.22500000 | | 7K60FXD |
| 1 | 1 | 461.22500000 | | 11K0F3E |
| 1 | 1 | 461.22500000 | | 7K60FXE |
| 2 | 1 | 461.22500000 | | 11K0F3E |
| 2 | 1 | 461.22500000 | | 7K60FXD |
| 2 | 1 | 461.22500000 | | 7K60FXE |
| 3 | 1 | 464.33750000 | | 11K0F3E |
| 3 | 1 | 464.33750000 | | 7K60FXE |
| 3 | 1 | 464.33750000 | | 7K60FXD |
| 4 | 1 | 464.33750000 | | 7K60FXD |
| 4 | 1 | 464.33750000 | | 7K60FXE |
| 4 | 1 | 464.33750000 | | 11K0F3E |
| 2 | 1 | 466.22500000 | | 7K60FXE |
| 2 | 1 | 466.22500000 | | 7K60FXD |
| 2 | 1 | 466.22500000 | | 11K0F3E |
| 5 | 1 | 466.22500000 | | 7K60FXD |
| 5 | 1 | 466.22500000 | | 11K0F3E |
| 5 | 1 | 466.22500000 | | 7K60FXE |
| 4 | 1 | 469.33750000 | | 7K60FXD |
| 4 | 1 | 469.33750000 | | 11K0F3E |
| 4 | 1 | 469.33750000 | | 7K60FXE |
| 5 | 1 | 469.33750000 | | 11K0F3E |
| 5 | 1 | 469.33750000 | | 7K60FXE |
| 5 | 1 | 469.33750000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 14850 Conference Center Drive, Chantilly, FAIRFAX, VA | 38.87327778, -77.45969444 | 85.000 m | B | 10.700 m structure / 10.700 m overall | |
| 2 | T | | | | | | |
| 3 | T | 22710 Executive Dr., Sterling, LOUDOUN, VA | 38.98769444, -77.44397222 | 82.000 m | B | 9.100 m structure / 9.100 m overall | |
| 4 | T | | | | | | |
| 5 | T | VA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.700 m | | | | -1.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 9.100 m | | | | -3.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 14850 Conference Center Drive, Chantilly, VA | FAIRFAX | 8042510429 |
| 2 | 22710 Executive Dr., Sterling, VA | LOUDOUN | 8042510429 |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-07 | WSEC577 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4993364 | 2026-08-02 01:24:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSEC577 | ULS 4993364 | 2026-08-02 01:24:12 |
| Status | A | ULS 4993364 | 2026-08-02 01:24:12 |
| Service | YG | ULS 4993364 | 2026-08-02 01:24:12 |
| Grant Date | 2024-08-07 | ULS 4993364 | 2026-08-02 01:24:12 |
| Expiration Date | 2034-08-07 | ULS 4993364 | 2026-08-02 01:24:12 |