Universal Licensing System
WRWT458
Montgomery County Public Schools
License details
| ULS identifier | 4744036 |
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| Call sign | WRWT458 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-03-27 |
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| Expiration | 2033-03-27 |
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| Frequency range | 463.85 - 468.85 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Silver Spring, MONTGOMERY, MD |
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| Coordinates | 39.0490278, -77.0318333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:30 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 463.85000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 463.85000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 468.85000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.85000000 | | 7K60FXE |
| 1 | 1 | 463.85000000 | | 11K2F3E |
| 1 | 1 | 463.85000000 | | 7K60FXD |
| 2 | 1 | 463.85000000 | | 7K60FXD |
| 2 | 1 | 463.85000000 | | 7K60FXE |
| 2 | 1 | 463.85000000 | | 11K2F3E |
| 2 | 1 | 468.85000000 | | 7K60FXD |
| 2 | 1 | 468.85000000 | | 7K60FXE |
| 2 | 1 | 468.85000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11800 Monticello Ave, Silver Spring, MONTGOMERY, MD | 39.04902778, -77.03183333 | 134.000 m | BANT | 18.300 m structure / 22.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 22.000 m | | | | 63.900 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | Odessa Shannon MS - 11800 Monticello Ave, Silver Spring, MD | MONTGOMERY | 2407404150 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-27 | WRWT458 | LETCNS |
| 2023-03-27 | WRWT458 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4744036 | 2026-08-02 01:19:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWT458 | ULS 4744036 | 2026-08-02 01:19:30 |
| Status | A | ULS 4744036 | 2026-08-02 01:19:30 |
| Service | IG | ULS 4744036 | 2026-08-02 01:19:30 |
| Grant Date | 2023-03-27 | ULS 4744036 | 2026-08-02 01:19:30 |
| Expiration Date | 2033-03-27 | ULS 4744036 | 2026-08-02 01:19:30 |