Universal Licensing System
WRWR903
HARVARD UNIVERSITY OPERATIONS CENTER
License details
| ULS identifier | 4741841 |
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| Call sign | WRWR903 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-03-21 |
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| Expiration | 2033-03-21 |
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| Frequency range | 465.9 - 465.95 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | CAMBRIDGE, MIDDLESEX, MA |
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| Coordinates | 42.3630556, -71.1138889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:07 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | MO | 465.90000000 | | | 50.000000 | 50.000000 | |
| 1 | 1 | MO | 465.91250000 | | | 2.000000 | 2.000000 | |
| 1 | 3 | MO | 465.92500000 | | | 50.000000 | 50.000000 | |
| 1 | 5 | MO | 465.92500000 | | | 50.000000 | 50.000000 | |
| 1 | 4 | MO | 465.93750000 | | | 2.000000 | 2.000000 | |
| 1 | 6 | MO | 465.95000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 465.90000000 | | 11K2F3E |
| 1 | 1 | 465.91250000 | | 11K2F2D |
| 1 | 3 | 465.92500000 | | 11K2F2E |
| 1 | 5 | 465.92500000 | | 11K2F3E |
| 1 | 4 | 465.93750000 | | 11K2F2D |
| 1 | 6 | 465.95000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CAMBRIDGE, MIDDLESEX, MA | 42.36305556, -71.11388889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 2 | 1 | T | | | | | | | |
| 3 | 1 | T | | | | | | | |
| 4 | 1 | T | | | | | | | |
| 5 | 1 | T | | | | | | | |
| 6 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 46 BLACKSTONE STREET, CAMBRIDGE, MA | MIDDLESEX | 6174955560 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-19 | WRWR903 | LETCNS |
| 2023-05-15 | WRWR903 | LIMOD |
| 2023-03-21 | WRWR903 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4741841 | 2026-08-02 01:26:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWR903 | ULS 4741841 | 2026-08-02 01:26:07 |
| Status | A | ULS 4741841 | 2026-08-02 01:26:07 |
| Service | IG | ULS 4741841 | 2026-08-02 01:26:07 |
| Grant Date | 2023-03-21 | ULS 4741841 | 2026-08-02 01:26:07 |
| Expiration Date | 2033-03-21 | ULS 4741841 | 2026-08-02 01:26:07 |