Universal Licensing System
WNJD225
HARVARD UNIVERSITY
License details
| ULS identifier | 1658508 |
|---|
| Call sign | WNJD225 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-04-21 |
|---|
| Expiration | 2032-06-15 |
|---|
| Frequency range | 463.85 - 468.85 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | CAMBRIDGE, MIDDLESEX, MA |
|---|
| Coordinates | 42.3771389, -71.1135000 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:10:35 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 463.85000000 | | | 30.000000 | 70.000000 | |
| 2 | 1 | MO | 463.85000000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | FB2 | 463.85000000 | | | 100.000000 | 100.000000 | |
| 5 | 1 | MO | 463.85000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 463.85000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 468.85000000 | | | 30.000000 | 30.000000 | |
| 4 | 1 | FX1 | 468.85000000 | | | 40.000000 | 40.000000 | |
| 5 | 1 | MO | 468.85000000 | | | 40.000000 | 40.000000 | |
| 5 | 1 | MO | 468.85000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.85000000 | | 7K60FXD |
| 1 | 1 | 463.85000000 | | 11K2F1D |
| 1 | 1 | 463.85000000 | | 7K60FXE |
| 1 | 1 | 463.85000000 | | 11K2F3E |
| 2 | 1 | 463.85000000 | | 7K60FXD |
| 2 | 1 | 463.85000000 | | 11K2F3E |
| 2 | 1 | 463.85000000 | | 7K60FXE |
| 2 | 1 | 463.85000000 | | 11K2F1D |
| 3 | 1 | 463.85000000 | | 8K10F1E |
| 3 | 1 | 463.85000000 | | 8K10F1D |
| 3 | 1 | 463.85000000 | | 11K2F3E |
| 3 | 1 | 463.85000000 | | 11K2F1D |
| 5 | 1 | 463.85000000 | | 11K2F3E |
| 5 | 1 | 463.85000000 | | 11K2F1D |
| 5 | 1 | 463.85000000 | | 8K10F1E |
| 5 | 1 | 463.85000000 | | 8K10F1D |
| 5 | 1 | 463.85000000 | | 8K10F1D |
| 5 | 1 | 463.85000000 | | 11K2F3E |
| 5 | 1 | 463.85000000 | | 11K2F1D |
| 5 | 1 | 463.85000000 | | 8K10F1E |
| 2 | 1 | 468.85000000 | | 7K60FXE |
| 2 | 1 | 468.85000000 | | 11K2F3E |
| 2 | 1 | 468.85000000 | | 11K2F1D |
| 2 | 1 | 468.85000000 | | 7K60FXD |
| 4 | 1 | 468.85000000 | | 8K10F1E |
| 4 | 1 | 468.85000000 | | 11K2F3E |
| 4 | 1 | 468.85000000 | | 8K10F1D |
| 4 | 1 | 468.85000000 | | 11K2F1D |
| 5 | 1 | 468.85000000 | | 11K2F1D |
| 5 | 1 | 468.85000000 | | 8K10F1E |
| 5 | 1 | 468.85000000 | | 8K10F1D |
| 5 | 1 | 468.85000000 | | 11K2F3E |
| 5 | 1 | 468.85000000 | | 8K10F1D |
| 5 | 1 | 468.85000000 | | 11K2F3E |
| 5 | 1 | 468.85000000 | | 11K2F1D |
| 5 | 1 | 468.85000000 | | 8K10F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1350 MASS AVE, CAMBRIDGE, MIDDLESEX, MA | 42.37261111, -71.11855556 | 5.000 m | BANT | 36.500 m structure / 41.400 m overall | N |
| 2 | T | | | | | | N |
| 3 | T | 33 KIRKLAND STREET, CAMBRIDGE, MIDDLESEX, MA | 42.37713889, -71.11350000 | 6.000 m | BANT | 52.100 m structure / 56.400 m overall | N |
| 4 | T | MA | | | | | N |
| 5 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 41.400 m | | | | 22.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 56.400 m | | | | 34.500 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1033 MASSACHUSETTS AVE., FLOOR 6, OFFICE 628, CAMBRIDGE, MA | MIDDLESEX | 6174963212 |
License history
| Date | File or call sign | Action |
|---|
| 2022-04-21 | WNJD225 | LIREN |
| 2022-03-21 | WNJD225 | LETRES |
| 2018-06-14 | WNJD225 | LIMOD |
| 2012-03-21 | WNJD225 | LIREN |
| 2012-03-19 | WNJD225 | LETRES |
| 2011-04-05 | WNJD225 | LTSFNR |
| 2011-04-04 | WNJD225 | EFCFNR |
| 2011-04-04 | WNJD225 | LTSAPR |
| 2011-04-04 | WNJD225 | ESCFNR |
| 2011-04-02 | WNJD225 | LIAUA |
| 2011-04-01 | WNJD225 | EFCAPR |
| 2011-04-01 | WNJD225 | ESCAPR |
| 2011-03-29 | WNJD225 | LIMOD |
| 2011-02-03 | WNJD225 | LIAUA |
| 2011-02-03 | WNJD225 | LTSAPR |
| 2011-02-02 | WNJD225 | EFCAPR |
| 2011-02-02 | WNJD225 | ESCAPR |
| 2002-04-26 | WNJD225 | LIREN |
| 2002-04-25 | WNJD225 | LITIN |
| 2002-03-18 | WNJD225 | LETRES |
| 2001-09-28 | WNJD225 | AUDOPR |
| 2000-11-23 | WNJD225 | LICCNV |
| 1997-05-19 | WNJD225 | LIREN |
| 1997-05-19 | WNJD225 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1658508 | 2026-08-02 01:10:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNJD225 | ULS 1658508 | 2026-08-02 01:10:35 |
| Status | A | ULS 1658508 | 2026-08-02 01:10:35 |
| Service | IG | ULS 1658508 | 2026-08-02 01:10:35 |
| Grant Date | 2022-04-21 | ULS 1658508 | 2026-08-02 01:10:35 |
| Expiration Date | 2032-06-15 | ULS 1658508 | 2026-08-02 01:10:35 |