Universal Licensing System
WPRI825
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
License details
| ULS identifier | 1831285 |
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| Call sign | WPRI825 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-08-20 |
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| Expiration | 2035-10-05 |
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| Frequency range | 461.625 - 469.825 MHz (10 frequencies) |
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| Locations | 2 |
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| Representative location | CAMBRIDGE, MIDDLESEX, MA |
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| Coordinates | 42.3622222, -71.0838889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:51 |
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Licensee
| Name | MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
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| Applicant type | C |
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| FRN | 0003626579 |
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| Location | CAMBRIDGE, MA |
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| Address | 304 Vassar Street, RM W92-143, CAMBRIDGE, MA, 021394307 |
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| Phone | 6173248957 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.62500000 | | | 75.000000 | 55.000000 | |
| 2 | 1 | MO | 461.62500000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB2 | 461.75000000 | | | 75.000000 | 55.000000 | |
| 2 | 1 | MO | 461.75000000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB2 | 463.57500000 | | | 75.000000 | 55.000000 | |
| 2 | 1 | MO | 463.57500000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB2 | 463.80000000 | | | 75.000000 | 55.000000 | |
| 2 | 1 | MO | 463.80000000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB2 | 464.82500000 | | | 75.000000 | 55.000000 | |
| 2 | 1 | MO | 464.82500000 | | | 75.000000 | 75.000000 | |
| 2 | 1 | MO | 466.62500000 | | | 75.000000 | 75.000000 | |
| 2 | 1 | MO | 466.75000000 | | | 75.000000 | 75.000000 | |
| 2 | 1 | MO | 468.57500000 | | | 75.000000 | 75.000000 | |
| 2 | 1 | MO | 468.80000000 | | | 75.000000 | 75.000000 | |
| 2 | 1 | MO | 469.82500000 | | | 75.000000 | 75.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.62500000 | | 11K0F3E |
| 2 | 1 | 461.62500000 | | 11K0F3E |
| 1 | 1 | 461.75000000 | | 11K0F3E |
| 2 | 1 | 461.75000000 | | 11K0F3E |
| 1 | 1 | 463.57500000 | | 11K0F3E |
| 2 | 1 | 463.57500000 | | 11K0F3E |
| 1 | 1 | 463.80000000 | | 11K0F3E |
| 2 | 1 | 463.80000000 | | 11K0F3E |
| 1 | 1 | 464.82500000 | | 11K0F3E |
| 2 | 1 | 464.82500000 | | 11K0F3E |
| 2 | 1 | 466.62500000 | | 11K0F3E |
| 2 | 1 | 466.75000000 | | 11K0F3E |
| 2 | 1 | 468.57500000 | | 11K0F3E |
| 2 | 1 | 468.80000000 | | 11K0F3E |
| 2 | 1 | 469.82500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 60 WADSWORTH ST, CAMBRIDGE, MIDDLESEX, MA | 42.36222222, -71.08388889 | 3.100 m | BTWR | 90.500 m structure / 108.800 m overall | N |
| 2 | T | MIDDLESEX, MA | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 91.000 m | | | | 77.600 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 60 WADSWORTH ST, CAMBRIDGE, MA | MIDDLESEX | 6172531000 |
| 2 | 77 MASSACHUSETTS AVE, CAMBRIDGE, MA | MIDDLESEX | 6172531000 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-20 | WPRI825 | LIREN |
| 2025-07-14 | WPRI825 | LETRES |
| 2015-09-25 | WPRI825 | LIREN |
| 2015-07-13 | WPRI825 | LETRES |
| 2012-11-02 | WPRI825 | LIAUA |
| 2012-11-01 | WPRI825 | ESCAPR |
| 2012-08-24 | WPRI825 | LIMOD |
| 2005-11-23 | WPRI825 | LIREN |
| 2005-10-31 | WPRI825 | ESCFRN |
| 2005-10-31 | WPRI825 | ESCAPR |
| 2005-07-11 | WPRI825 | LETRES |
| 2002-02-15 | WPRI825 | AUDOPR |
| 2000-11-23 | WPRI825 | LICCNV |
| 2000-10-05 | WPRI825 | AUTHPR |
| 2000-10-05 | WPRI825 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1831285 | 2026-08-02 01:11:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRI825 | ULS 1831285 | 2026-08-02 01:11:51 |
| Status | A | ULS 1831285 | 2026-08-02 01:11:51 |
| Service | IG | ULS 1831285 | 2026-08-02 01:11:51 |
| Grant Date | 2025-08-20 | ULS 1831285 | 2026-08-02 01:11:51 |
| Expiration Date | 2035-10-05 | ULS 1831285 | 2026-08-02 01:11:51 |