Universal Licensing System
WRYB748
JOHNS HOPKINS UNIVERSITY
License details
| ULS identifier | 4793636 |
|---|
| Call sign | WRYB748 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-07-21 |
|---|
| Expiration | 2033-07-21 |
|---|
| Frequency range | 457.0625 - 469.8625 MHz (10 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | WASHINGTON, DC |
|---|
| Coordinates | 38.8930833, -77.0196111 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:44 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 457.06250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.88750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 461.65000000 | | | 50.000000 | 48.000000 | |
| 2 | 1 | MO | 461.65000000 | | | 4.000000 | 4.000000 | |
| 1 | 2 | FB2 | 462.47500000 | | | 50.000000 | 48.000000 | |
| 2 | 1 | MO | 462.47500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 463.93750000 | | | 50.000000 | 48.000000 | |
| 2 | 1 | MO | 463.93750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 464.86250000 | | | 50.000000 | 48.000000 | |
| 2 | 1 | MO | 464.86250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.65000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 467.47500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 468.93750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.86250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 457.06250000 | | 7K60FXD |
| 2 | 1 | 457.06250000 | | 11K2F3E |
| 2 | 1 | 457.06250000 | | 7K60FXE |
| 2 | 1 | 457.88750000 | | 11K2F3E |
| 2 | 1 | 457.88750000 | | 7K60FXE |
| 2 | 1 | 457.88750000 | | 7K60FXD |
| 1 | 1 | 461.65000000 | | 7K60FXD |
| 1 | 1 | 461.65000000 | | 7K60FXE |
| 1 | 1 | 461.65000000 | | 11K2F3E |
| 2 | 1 | 461.65000000 | | 7K60FXE |
| 2 | 1 | 461.65000000 | | 11K2F3E |
| 2 | 1 | 461.65000000 | | 7K60FXD |
| 1 | 2 | 462.47500000 | | 7K60FXE |
| 1 | 2 | 462.47500000 | | 11K2F3E |
| 1 | 2 | 462.47500000 | | 7K60FXD |
| 2 | 1 | 462.47500000 | | 7K60FXE |
| 2 | 1 | 462.47500000 | | 7K60FXD |
| 2 | 1 | 462.47500000 | | 11K2F3E |
| 1 | 1 | 463.93750000 | | 11K2F3E |
| 1 | 1 | 463.93750000 | | 7K60FXE |
| 1 | 1 | 463.93750000 | | 7K60FXD |
| 2 | 1 | 463.93750000 | | 11K2F3E |
| 2 | 1 | 463.93750000 | | 7K60FXD |
| 2 | 1 | 463.93750000 | | 7K60FXE |
| 1 | 1 | 464.86250000 | | 11K2F3E |
| 1 | 1 | 464.86250000 | | 7K60FXE |
| 1 | 1 | 464.86250000 | | 7K60FXD |
| 2 | 1 | 464.86250000 | | 7K60FXE |
| 2 | 1 | 464.86250000 | | 7K60FXD |
| 2 | 1 | 464.86250000 | | 11K2F3E |
| 2 | 1 | 466.65000000 | | 7K60FXE |
| 2 | 1 | 466.65000000 | | 7K60FXD |
| 2 | 1 | 466.65000000 | | 11K2F3E |
| 2 | 1 | 467.47500000 | | 7K60FXE |
| 2 | 1 | 467.47500000 | | 7K60FXD |
| 2 | 1 | 467.47500000 | | 11K2F3E |
| 2 | 1 | 468.93750000 | | 7K60FXE |
| 2 | 1 | 468.93750000 | | 11K2F3E |
| 2 | 1 | 468.93750000 | | 7K60FXD |
| 2 | 1 | 469.86250000 | | 7K60FXE |
| 2 | 1 | 469.86250000 | | 11K2F3E |
| 2 | 1 | 469.86250000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 555 PENNSYLVANIA AVE, WASHINGTON, DC | 38.89308333, -77.01961111 | 5.000 m | BANT | 53.600 m structure / 54.300 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.600 m | | | | -32.500 | |
| 1 | 2 | T | | | | | | | |
| 2 | 1 | T | | 53.300 m | | | | 6.200 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 555 PENNSYLVANIA AVE, WASHINGTON, DC | | 4102749597 |
License history
| Date | File or call sign | Action |
|---|
| 2024-04-23 | WRYB748 | LETCNS |
| 2023-12-21 | WRYB748 | LIMOD |
| 2023-07-21 | WRYB748 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4793636 | 2026-08-02 01:23:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRYB748 | ULS 4793636 | 2026-08-02 01:23:44 |
| Status | A | ULS 4793636 | 2026-08-02 01:23:44 |
| Service | IG | ULS 4793636 | 2026-08-02 01:23:44 |
| Grant Date | 2023-07-21 | ULS 4793636 | 2026-08-02 01:23:44 |
| Expiration Date | 2033-07-21 | ULS 4793636 | 2026-08-02 01:23:44 |