Universal Licensing System
WRAW277
CLPF - Cambridge Science Center, LLC
License details
| ULS identifier | 4012899 |
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| Call sign | WRAW277 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-03-22 |
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| Expiration | 2028-03-22 |
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| Frequency range | 451.6875 - 456.6875 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Cambridge, MIDDLESEX, MA |
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| Coordinates | 42.3635000, -71.0790000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:46 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.68750000 | | | 10.000000 | 5.000000 | |
| 2 | 1 | MO | 451.68750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.68750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.68750000 | | 7K60FXD |
| 1 | 1 | 451.68750000 | | 11K2F3E |
| 1 | 1 | 451.68750000 | | 7K60FXE |
| 2 | 1 | 451.68750000 | | 11K2F3E |
| 2 | 1 | 451.68750000 | | 7K60FXE |
| 2 | 1 | 451.68750000 | | 7K60FXD |
| 2 | 1 | 456.68750000 | | 11K2F3E |
| 2 | 1 | 456.68750000 | | 7K60FXD |
| 2 | 1 | 456.68750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 245 First Street, Cambridge, MIDDLESEX, MA | 42.36350000, -71.07900000 | 1.000 m | B | 9.100 m structure / 10.600 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.600 m | | | | -7.500 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 245 First Street, Cambridge, MA | MIDDLESEX | 9784049600 |
License history
| Date | File or call sign | Action |
|---|
| 2019-02-14 | WRAW277 | COR |
| 2018-12-27 | WRAW277 | LETCNS |
| 2018-03-22 | WRAW277 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4012899 | 2026-08-02 01:21:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRAW277 | ULS 4012899 | 2026-08-02 01:21:46 |
| Status | A | ULS 4012899 | 2026-08-02 01:21:46 |
| Service | IG | ULS 4012899 | 2026-08-02 01:21:46 |
| Grant Date | 2018-03-22 | ULS 4012899 | 2026-08-02 01:21:46 |
| Expiration Date | 2028-03-22 | ULS 4012899 | 2026-08-02 01:21:46 |