Universal Licensing System
WNPM202
W R GRACE & COMPANY
License details
| ULS identifier | 1904661 |
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| Call sign | WNPM202 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1999-05-28 |
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| Expiration | 2004-06-08 |
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| Cancellation | 2003-11-18 |
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| Frequency range | 451.225 - 456.225 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | LEXINGTON, MIDDLESEX, MA |
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| Coordinates | 42.4825833, -71.2408889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:47 |
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Licensee
| Name | W R GRACE & COMPANY |
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| Applicant type | C |
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| Location | LEXINGTON, MA |
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| Address | 55 HAYDEN AVE, LEXINGTON, MA, 024217999 |
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| Phone | 7818616600 |
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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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| 2 | 1 | FB2 | 451.22500000 | | | 25.000000 | 45.000000 | |
| 3 | 1 | MO | 451.22500000 | | | 5.000000 | | |
| 1 | 1 | FX1 | 456.22500000 | | | 25.000000 | | |
| 3 | 1 | MO | 456.22500000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.22500000 | | 20K0F3E |
| 3 | 1 | 451.22500000 | | 20K0F3E |
| 1 | 1 | 456.22500000 | | 20K0F3E |
| 3 | 1 | 456.22500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MA | | | | | |
| 2 | T | 55 HAYDEN AVE, LEXINGTON, MIDDLESEX, MA | 42.48258333, -71.24088889 | 40.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 17.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 55 HAYDEN AVE, LEXINGTON, MA | | 7818616600 |
License history
| Date | File or call sign | Action |
|---|
| 2003-11-18 | WNPM202 | LITERM |
| 2002-06-19 | WNPM202 | AUDCAN |
| 2000-11-24 | WNPM202 | LICCNV |
| 1999-05-28 | WNPM202 | AUTHPR |
| 1999-05-28 | WNPM202 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1904661 | 2026-08-02 01:27:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNPM202 | ULS 1904661 | 2026-08-02 01:27:47 |
| Status | T | ULS 1904661 | 2026-08-02 01:27:47 |
| Service | IG | ULS 1904661 | 2026-08-02 01:27:47 |
| Grant Date | 1999-05-28 | ULS 1904661 | 2026-08-02 01:27:47 |
| Expiration Date | 2004-06-08 | ULS 1904661 | 2026-08-02 01:27:47 |
| Cancellation Date | 2003-11-18 | ULS 1904661 | 2026-08-02 01:27:47 |