Universal Licensing System
WRTZ281
Boyds Bethesda I/II
License details
| ULS identifier | 4644755 |
|---|
| Call sign | WRTZ281 |
|---|
| Radio service | IG |
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| Status | A |
|---|
| Grant date | 2022-08-02 |
|---|
| Expiration | 2032-08-02 |
|---|
| Frequency range | 452.8125 - 457.9875 MHz (6 frequencies) |
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| Locations | 3 |
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| Representative location | Bethesda, MONTGOMERY, MD |
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| Coordinates | 39.0308333, -77.1352778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.81250000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | MO | 457.28750000 | | | 6.000000 | 6.000000 | |
| 3 | 1 | MO | 457.48750000 | | | 6.000000 | 6.000000 | |
| 2 | 1 | MO | 457.81250000 | | | 6.000000 | 6.000000 | |
| 3 | 1 | MO | 457.88750000 | | | 6.000000 | 6.000000 | |
| 3 | 1 | MO | 457.98750000 | | | 6.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.81250000 | | 8K30F1E |
| 1 | 1 | 452.81250000 | | 4K00F1E |
| 3 | 1 | 457.28750000 | | 4K00F1E |
| 3 | 1 | 457.28750000 | | 8K30F1E |
| 3 | 1 | 457.48750000 | | 4K00F1E |
| 3 | 1 | 457.48750000 | | 8K30F1E |
| 2 | 1 | 457.81250000 | | 4K00F1E |
| 2 | 1 | 457.81250000 | | 8K30F1E |
| 3 | 1 | 457.88750000 | | 8K30F1E |
| 3 | 1 | 457.88750000 | | 4K00F1E |
| 3 | 1 | 457.98750000 | | 8K30F1E |
| 3 | 1 | 457.98750000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6705 Rockledge Dr, Bethesda, MONTGOMERY, MD | 39.03083333, -77.13527778 | 101.000 m | B | 46.000 m structure / 46.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | Bethesda, MONTGOMERY, MD | 39.03083333, -77.13527778 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 23.000 m | | | | 25.600 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 6705 Rockledge Dr, Bethesda, MD | MONTGOMERY | 2404390069 |
License history
| Date | File or call sign | Action |
|---|
| 2023-05-02 | WRTZ281 | LETCNS |
| 2022-08-02 | WRTZ281 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4644755 | 2026-08-02 01:23:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTZ281 | ULS 4644755 | 2026-08-02 01:23:54 |
| Status | A | ULS 4644755 | 2026-08-02 01:23:54 |
| Service | IG | ULS 4644755 | 2026-08-02 01:23:54 |
| Grant Date | 2022-08-02 | ULS 4644755 | 2026-08-02 01:23:54 |
| Expiration Date | 2032-08-02 | ULS 4644755 | 2026-08-02 01:23:54 |