Universal Licensing System
WIL774
Northrop Grumman Systems Corporation
License details
| ULS identifier | 1645335 |
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| Call sign | WIL774 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-07-18 |
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| Expiration | 2034-07-12 |
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| Frequency range | 495.6625 - 498.6625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SYKESVILLE, CARROLL, MD |
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| Coordinates | 39.3740000, -76.9630278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:10 |
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Licensee
| Name | Northrop Grumman Systems Corporation |
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| Applicant type | C |
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| FRN | 0003800133 |
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| Location | WASHINGTON, DC |
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| Address | 1800 M Street NW, Suite 800N, WASHINGTON, DC, 20036 |
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| Phone | 2027834141 |
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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 | FB | 495.66250000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB | 495.66250000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 495.66250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 498.66250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 495.66250000 | | 11K2F3E |
| 1 | 1 | 495.66250000 | | 7K60F1W |
| 1 | 1 | 495.66250000 | | 11K2F3E |
| 1 | 1 | 495.66250000 | | 7K60F1W |
| 2 | 1 | 495.66250000 | | 11K2F3E |
| 2 | 1 | 495.66250000 | | 7K60F1W |
| 2 | 1 | 498.66250000 | | 11K2F3E |
| 2 | 1 | 498.66250000 | | 7K60F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7301 SYKESVILLE RD, SYKESVILLE, CARROLL, MD | 39.37400000, -76.96302778 | 155.000 m | TANK | 14.000 m structure / 15.000 m overall | N |
| 2 | T | CARROLL, MD | 39.33622222, -76.64941667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | -2.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1580 W. Nursery Road, Linthicum, MD | ANNE ARUNDEL | 4107656567 |
License history
| Date | File or call sign | Action |
|---|
| 2024-07-18 | WIL774 | LIREN |
| 2024-04-15 | WIL774 | LETRES |
| 2015-09-25 | WIL774 | LIMOD |
| 2014-06-18 | WIL774 | LIREN |
| 2014-06-17 | WIL774 | ESUAPR |
| 2014-06-16 | WIL774 | LIMOD |
| 2014-04-21 | WIL774 | LETRES |
| 2013-06-10 | WIL774 | LIMOD |
| 2012-12-31 | WIL774 | ESUAPR |
| 2012-09-18 | WIL774 | LIAUA |
| 2012-09-16 | WIL774 | ESUAPR |
| 2011-07-30 | WIL774 | LIAUA |
| 2011-07-30 | WIL774 | ESCAPR |
| 2011-07-29 | WIL774 | ESUAPR |
| 2011-07-29 | WIL774 | EFUAPR |
| 2011-03-31 | WIL774 | LITRAN |
| 2011-01-28 | WIL774 | ESUAPR |
| 2008-04-28 | WIL774 | ESUAPR |
| 2008-04-25 | WIL774 | LIAUA |
| 2008-04-24 | WIL774 | ESUAPR |
| 2005-01-14 | WIL774 | LIAUA |
| 2005-01-13 | WIL774 | ESUAPR |
| 2004-08-17 | WIL774 | LIREN |
| 2004-05-25 | WIL774 | ESUAPR |
| 2004-04-26 | WIL774 | LETRES |
| 2002-11-08 | WIL774 | LIAUA |
| 2002-04-10 | WIL774 | LIAUA |
| 2002-03-02 | WIL774 | LIAUA |
| 2002-01-17 | WIL774 | AUDOPR |
| 2001-05-10 | WIL774 | LITRAN |
| 2000-11-23 | WIL774 | LICCNV |
| 1999-05-24 | WIL774 | AUTHPR |
| 1999-05-24 | WIL774 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1645335 | 2026-08-02 01:14:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIL774 | ULS 1645335 | 2026-08-02 01:14:10 |
| Status | A | ULS 1645335 | 2026-08-02 01:14:10 |
| Service | IG | ULS 1645335 | 2026-08-02 01:14:10 |
| Grant Date | 2024-07-18 | ULS 1645335 | 2026-08-02 01:14:10 |
| Expiration Date | 2034-07-12 | ULS 1645335 | 2026-08-02 01:14:10 |