Universal Licensing System
WSDU504
Harvard University Art Museums
License details
| ULS identifier | 4982241 |
|---|
| Call sign | WSDU504 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2024-07-17 |
|---|
| Expiration | 2034-07-17 |
|---|
| Frequency range | 452.225 - 467.0125 MHz (6 frequencies) |
|---|
| Locations | 5 |
|---|
| Representative location | Cambridge, MIDDLESEX, MA |
|---|
| Coordinates | 42.3741111, -71.1141667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:25:32 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.22500000 | | | 40.000000 | 30.000000 | |
| 4 | 1 | MO | 452.22500000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FX1 | 457.22500000 | | | 6.000000 | 6.000000 | |
| 4 | 1 | MO | 457.22500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | FB2 | 461.76250000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | MO | 461.76250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | FB2 | 462.01250000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | MO | 462.01250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FX1 | 466.76250000 | | | 6.000000 | 6.000000 | |
| 5 | 1 | MO | 466.76250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FX1 | 467.01250000 | | | 6.000000 | 6.000000 | |
| 5 | 1 | MO | 467.01250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.22500000 | | 7K60FXD |
| 1 | 1 | 452.22500000 | | 11K2F3E |
| 1 | 1 | 452.22500000 | | 7K60FXE |
| 4 | 1 | 452.22500000 | | 11K2F3E |
| 4 | 1 | 452.22500000 | | 7K60FXE |
| 4 | 1 | 452.22500000 | | 7K60FXD |
| 3 | 1 | 457.22500000 | | 11K2F3E |
| 3 | 1 | 457.22500000 | | 7K60FXE |
| 3 | 1 | 457.22500000 | | 7K60FXD |
| 4 | 1 | 457.22500000 | | 7K60FXE |
| 4 | 1 | 457.22500000 | | 11K2F3E |
| 4 | 1 | 457.22500000 | | 7K60FXD |
| 2 | 1 | 461.76250000 | | 11K2F3E |
| 2 | 1 | 461.76250000 | | 7K60FXE |
| 2 | 1 | 461.76250000 | | 7K60FXD |
| 5 | 1 | 461.76250000 | | 11K2F3E |
| 5 | 1 | 461.76250000 | | 7K60FXE |
| 5 | 1 | 461.76250000 | | 7K60FXD |
| 2 | 1 | 462.01250000 | | 11K2F3E |
| 2 | 1 | 462.01250000 | | 7K60FXD |
| 2 | 1 | 462.01250000 | | 7K60FXE |
| 5 | 1 | 462.01250000 | | 11K2F3E |
| 5 | 1 | 462.01250000 | | 7K60FXE |
| 5 | 1 | 462.01250000 | | 7K60FXD |
| 3 | 1 | 466.76250000 | | 7K60FXE |
| 3 | 1 | 466.76250000 | | 11K2F3E |
| 3 | 1 | 466.76250000 | | 7K60FXD |
| 5 | 1 | 466.76250000 | | 7K60FXE |
| 5 | 1 | 466.76250000 | | 7K60FXD |
| 5 | 1 | 466.76250000 | | 11K2F3E |
| 3 | 1 | 467.01250000 | | 11K2F3E |
| 3 | 1 | 467.01250000 | | 7K60FXE |
| 3 | 1 | 467.01250000 | | 7K60FXD |
| 5 | 1 | 467.01250000 | | 7K60FXD |
| 5 | 1 | 467.01250000 | | 7K60FXE |
| 5 | 1 | 467.01250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 32 Quincy Street, Cambridge, MIDDLESEX, MA | 42.37411111, -71.11416667 | 9.000 m | BANT | 10.000 m structure / 13.000 m overall | |
| 2 | T | 200 Inner Belt Road, Somerville, MIDDLESEX, MA | 42.37819444, -71.08475000 | 3.100 m | B | 19.800 m structure / 19.800 m overall | |
| 3 | T | MA | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 13.000 m | | | | -3.000 | |
| 1 | 2 | T | | 19.800 m | | | | 1.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 32 Quincy Street, Cambridge, MA | MIDDLESEX | 6174963977 |
License history
| Date | File or call sign | Action |
|---|
| 2025-04-15 | WSDU504 | LETCNS |
| 2024-07-17 | WSDU504 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4982241 | 2026-08-02 01:25:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSDU504 | ULS 4982241 | 2026-08-02 01:25:32 |
| Status | A | ULS 4982241 | 2026-08-02 01:25:32 |
| Service | IG | ULS 4982241 | 2026-08-02 01:25:32 |
| Grant Date | 2024-07-17 | ULS 4982241 | 2026-08-02 01:25:32 |
| Expiration Date | 2034-07-17 | ULS 4982241 | 2026-08-02 01:25:32 |