Universal Licensing System
WNPI660
LOCKHEED MARTIN CORPORATION
License details
| ULS identifier | 1904647 |
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| Call sign | WNPI660 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-02-24 |
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| Expiration | 2002-03-10 |
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| Cancellation | 2002-05-12 |
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| Frequency range | 451.175 - 456.175 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | LEXINGTON, MIDDLESEX, MA |
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| Coordinates | 42.4417500, -71.2578333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:20 |
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Licensee
| Name | LOCKHEED MARTIN CORPORATION |
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| Applicant type | C |
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| FRN | 0002149359 |
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| Location | BALTIMORE, MD |
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| Address | BALTIMORE, MD, 21220 |
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| Phone | 6178633667 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 451.17500000 | | | 10.000000 | 30.000000 | |
| 2 | 1 | MO | 451.17500000 | | | 4.000000 | | |
| 2 | 1 | MO | 456.17500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.17500000 | | 20K0F3E |
| 2 | 1 | 451.17500000 | | 20K0F3E |
| 2 | 1 | 456.17500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 2 FORBES RD, LEXINGTON, MIDDLESEX, MA | 42.44175000, -71.25783333 | 58.000 m | | 5.000 m structure / 5.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 6.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2 FORBES RD, LEXINGTON, MA | | 6178633667 |
License history
| Date | File or call sign | Action |
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| 2002-05-12 | WNPI660 | LIEXP |
| 2002-02-11 | WNPI660 | AUDCAN |
| 2001-12-17 | WNPI660 | LETRES |
| 2000-11-24 | WNPI660 | LICCNV |
| 1997-02-24 | WNPI660 | LIREN |
| 1997-02-24 | WNPI660 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1904647 | 2026-08-02 01:10:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNPI660 | ULS 1904647 | 2026-08-02 01:10:20 |
| Status | E | ULS 1904647 | 2026-08-02 01:10:20 |
| Service | IG | ULS 1904647 | 2026-08-02 01:10:20 |
| Grant Date | 1997-02-24 | ULS 1904647 | 2026-08-02 01:10:20 |
| Expiration Date | 2002-03-10 | ULS 1904647 | 2026-08-02 01:10:20 |
| Cancellation Date | 2002-05-12 | ULS 1904647 | 2026-08-02 01:10:20 |