Universal Licensing System
WREX436
Courtyard Marriott
License details
| ULS identifier | 4234740 |
|---|
| Call sign | WREX436 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-12-21 |
|---|
| Expiration | 2029-12-21 |
|---|
| Frequency range | 451.3375 - 456.4375 MHz (4 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | ROCKVILLE, MONTGOMERY, MD |
|---|
| Coordinates | 39.1038889, -77.1895278 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:28 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.33750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.43750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.33750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.43750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.33750000 | | 7K60FXE |
| 1 | 1 | 451.43750000 | | 7K60FXE |
| 1 | 1 | 456.33750000 | | 7K60FXE |
| 1 | 1 | 456.43750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ROCKVILLE, MONTGOMERY, MD | 39.10388889, -77.18952778 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2500 RESEARCH BLVD, ROCKVILLE, MD | MONTGOMERY | 3016706700 |
License history
| Date | File or call sign | Action |
|---|
| 2020-09-22 | WREX436 | LETCNS |
| 2019-12-21 | WREX436 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4234740 | 2026-08-02 01:23:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WREX436 | ULS 4234740 | 2026-08-02 01:23:28 |
| Status | A | ULS 4234740 | 2026-08-02 01:23:28 |
| Service | IG | ULS 4234740 | 2026-08-02 01:23:28 |
| Grant Date | 2019-12-21 | ULS 4234740 | 2026-08-02 01:23:28 |
| Expiration Date | 2029-12-21 | ULS 4234740 | 2026-08-02 01:23:28 |