Universal Licensing System
WRDT735
Shady Hill School
License details
| ULS identifier | 4180569 |
|---|
| Call sign | WRDT735 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-17 |
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| Expiration | 2029-07-17 |
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| Frequency range | 451.2375 - 457.0625 MHz (4 frequencies) |
|---|
| Locations | 1 |
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| Representative location | CAMBRIDGE, MIDDLESEX, MA |
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| Coordinates | 42.3712222, -71.1378611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.06250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.23750000 | | 7K60FXE |
| 1 | 1 | 452.06250000 | | 7K60FXE |
| 1 | 1 | 456.23750000 | | 7K60FXE |
| 1 | 1 | 457.06250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CAMBRIDGE, MIDDLESEX, MA | 42.37122222, -71.13786111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 178 COOLIDGE HILL, CAMBRIDGE, MA | MIDDLESEX | 6175205260 |
License history
| Date | File or call sign | Action |
|---|
| 2020-04-21 | WRDT735 | LETCNS |
| 2019-07-17 | WRDT735 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4180569 | 2026-08-02 01:22:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDT735 | ULS 4180569 | 2026-08-02 01:22:59 |
| Status | A | ULS 4180569 | 2026-08-02 01:22:59 |
| Service | IG | ULS 4180569 | 2026-08-02 01:22:59 |
| Grant Date | 2019-07-17 | ULS 4180569 | 2026-08-02 01:22:59 |
| Expiration Date | 2029-07-17 | ULS 4180569 | 2026-08-02 01:22:59 |