Universal Licensing System
WJP50
PRESIDENT AND FELLOWS OF HARVARD COLLEGE
License details
| ULS identifier | 987054 |
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| Call sign | WJP50 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 2002-06-01 |
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| Expiration | 2012-07-28 |
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| Cancellation | 2012-09-29 |
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| Frequency range | 17710 - 22275 MHz (5 frequencies) |
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| Locations | 4 |
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| Representative location | CAMBRIDGE, MIDDLESEX, MA |
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| Coordinates | 42.3770278, -71.1136389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:10 |
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Licensee
| Name | PRESIDENT AND FELLOWS OF HARVARD COLLEGE |
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| Applicant type | C |
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| FRN | 0007169600 |
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| Location | CAMBRIDGE, MA |
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| Address | 17 QUINCY ST, CAMBRIDGE, MA, 02138 |
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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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| 1 | 3 | FXO | 17710.00000000 | | | | | |
| 1 | 4 | FXO | 17770.00000000 | | | | | |
| 1 | 5 | FXO | 17950.00000000 | | | | | |
| 1 | 1 | FXO | 22225.00000000 | | | | | |
| 1 | 2 | FXO | 22275.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17710.00000000 | | 20M0F8W |
| 1 | 4 | 17770.00000000 | | 20M0F8W |
| 1 | 5 | 17950.00000000 | | 20M0F8W |
| 1 | 1 | 22225.00000000 | | 25M0F9W |
| 1 | 2 | 22275.00000000 | | 25M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | WILLIAM JAMES HALL 39 KIRKLAND ST, CAMBRIDGE, MIDDLESEX, MA | 42.37702778, -71.11363889 | 6.400 m | | 64.600 m structure / 64.600 m overall | |
| 2 | R | | 42.36063889, -71.09252778 | 3.000 m | | | |
| 3 | R | | 42.33508333, -71.10308333 | 10.700 m | | | |
| 4 | R | | 42.34730556, -71.08197222 | 2.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 40.6000 | 141.7000 | | |
| 1 | 2 | R | | | | 39.0000 | | | |
| 1 | 3 | R | | | | 44.7000 | | | |
| 1 | 4 | R | | | | 40.6000 | | | |
| 2 | 1 | T | | | H | 40.6000 | 141.7000 | | |
| 2 | 3 | R | | | | 44.7000 | | | |
| 2 | 4 | R | | | | 40.6000 | | | |
| 3 | 1 | T | | | V | 44.7000 | 169.4000 | | |
| 4 | 1 | T | | | H | 44.7000 | 169.4000 | | |
| 5 | 1 | T | | | H | 39.0000 | 136.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2012-09-29 | WJP50 | LIEXP |
| 2012-05-07 | WJP50 | LETRES |
| 2002-06-01 | WJP50 | LIREN |
| 2002-05-06 | WJP50 | LETRES |
| 1999-08-13 | WJP50 | LICCNV |
| 1997-07-28 | WJP50 | LIMOD |
| 1997-06-05 | WJP50 | COR |
| 1993-09-28 | WJP50 | LIMOD |
| 1992-12-17 | WJP50 | LIMOD |
| 1992-11-09 | WJP50 | LIMOD |
| 1988-01-18 | WJP50 | LIMOD |
| 1985-04-05 | WJP50 | LIMOD |
| 1980-03-05 | WJP50 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 987054 | 2026-08-02 02:45:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WJP50 | ULS 987054 | 2026-08-02 02:45:10 |
| Status | E | ULS 987054 | 2026-08-02 02:45:10 |
| Service | MG | ULS 987054 | 2026-08-02 02:45:10 |
| Grant Date | 2002-06-01 | ULS 987054 | 2026-08-02 02:45:10 |
| Expiration Date | 2012-07-28 | ULS 987054 | 2026-08-02 02:45:10 |
| Cancellation Date | 2012-09-29 | ULS 987054 | 2026-08-02 02:45:10 |