Universal Licensing System
WQQH510
Clark Office Building LLC
License details
| ULS identifier | 3430271 |
|---|
| Call sign | WQQH510 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-12-12 |
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| Expiration | 2022-12-12 |
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| Cancellation | 2023-02-11 |
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| Frequency range | 451.325 - 468.675 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | Bethesda, MONTGOMERY, MD |
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| Coordinates | 38.9856667, -77.0880278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:20:49 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.32500000 | | | 40.000000 | 25.000000 | |
| 2 | 1 | MO | 451.32500000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 456.32500000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | MO | 457.75000000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | MO | 461.90000000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | MO | 466.87500000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | MO | 466.90000000 | | | 20.000000 | 20.000000 | |
| 3 | 1 | MO | 468.67500000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.32500000 | | 11K2F3E |
| 2 | 1 | 451.32500000 | | 11K2F3E |
| 2 | 1 | 456.32500000 | | 11K2F3E |
| 3 | 1 | 457.75000000 | | 11K2F3E |
| 3 | 1 | 461.90000000 | | 11K2F3E |
| 3 | 1 | 466.87500000 | | 11K2F3E |
| 3 | 1 | 466.90000000 | | 11K2F3E |
| 3 | 1 | 468.67500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | 7500 Old Georgetown Rd, Bethesda, MONTGOMERY, MD | 38.98566667, -77.08802778 | 30.000 m | B | 49.000 m structure / 49.000 m overall | |
| 2 | | | | | | | |
| 3 | | Bethesda, MONTGOMERY, MD | 38.98566667, -77.08802778 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 31.000 m | V | | | -16.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7500 Old Georgetown, Bethesda, MD | MONTGOMERY | 3016547500 |
License history
| Date | File or call sign | Action |
|---|
| 2023-02-11 | WQQH510 | LIEXP |
| 2022-09-19 | WQQH510 | LETRES |
| 2013-09-10 | WQQH510 | LETCNS |
| 2012-12-12 | WQQH510 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3430271 | 2026-08-02 01:20:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQQH510 | ULS 3430271 | 2026-08-02 01:20:49 |
| Status | E | ULS 3430271 | 2026-08-02 01:20:49 |
| Service | IG | ULS 3430271 | 2026-08-02 01:20:49 |
| Grant Date | 2012-12-12 | ULS 3430271 | 2026-08-02 01:20:49 |
| Expiration Date | 2022-12-12 | ULS 3430271 | 2026-08-02 01:20:49 |
| Cancellation Date | 2023-02-11 | ULS 3430271 | 2026-08-02 01:20:49 |