Universal Licensing System
WRVN451
CHILDRENS NATIONAL MEDICAL CENTER
License details
| ULS identifier | 4699791 |
|---|
| Call sign | WRVN451 |
|---|
| Radio service | IG |
|---|
| Status | A |
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| Grant date | 2022-12-13 |
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| Expiration | 2032-12-13 |
|---|
| Frequency range | 461.5 - 466.5 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | Washington, DC |
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| Coordinates | 38.9768889, -77.0325000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 461.50000000 | | | 20.000000 | 50.000000 | |
| 2 | 1 | MO | 461.50000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FXO | 461.50000000 | | | 20.000000 | 50.000000 | |
| 4 | 1 | MO | 461.50000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FXO | 466.50000000 | | | 20.000000 | 50.000000 | |
| 2 | 1 | MO | 466.50000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FXO | 466.50000000 | | | 20.000000 | 50.000000 | |
| 4 | 1 | MO | 466.50000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.50000000 | | 7K60FXE |
| 1 | 1 | 461.50000000 | | 7K60FXD |
| 2 | 1 | 461.50000000 | | 7K60FXE |
| 2 | 1 | 461.50000000 | | 7K60FXD |
| 3 | 1 | 461.50000000 | | 7K60FXD |
| 3 | 1 | 461.50000000 | | 7K60FXE |
| 4 | 1 | 461.50000000 | | 7K60FXE |
| 4 | 1 | 461.50000000 | | 7K60FXD |
| 1 | 1 | 466.50000000 | | 7K60FXE |
| 1 | 1 | 466.50000000 | | 7K60FXD |
| 2 | 1 | 466.50000000 | | 7K60FXE |
| 2 | 1 | 466.50000000 | | 7K60FXD |
| 3 | 1 | 466.50000000 | | 7K60FXE |
| 3 | 1 | 466.50000000 | | 7K60FXD |
| 4 | 1 | 466.50000000 | | 7K60FXE |
| 4 | 1 | 466.50000000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7144 13th Place, NW, Washington, DC | 38.97688889, -77.03250000 | 103.000 m | BANT | 29.300 m structure / 30.500 m overall | |
| 2 | T | | | | | | |
| 3 | T | 111 Michigan Avenue, NW, Washington, DC | 38.92741667, -77.01422222 | 52.000 m | BANT | 36.600 m structure / 37.800 m overall | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 29.300 m | | | | 63.800 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 36.600 m | | | | 34.700 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7144 13th Place, NW, Washington, DC | | 2025452757 |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-12 | WRVN451 | LETCNS |
| 2022-12-13 | WRVN451 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4699791 | 2026-08-02 01:26:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRVN451 | ULS 4699791 | 2026-08-02 01:26:08 |
| Status | A | ULS 4699791 | 2026-08-02 01:26:08 |
| Service | IG | ULS 4699791 | 2026-08-02 01:26:08 |
| Grant Date | 2022-12-13 | ULS 4699791 | 2026-08-02 01:26:08 |
| Expiration Date | 2032-12-13 | ULS 4699791 | 2026-08-02 01:26:08 |