Universal Licensing System
WQSM281
LEIDOS BIOMEDICAL RESEARCH, INC.
License details
| ULS identifier | 3526127 |
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| Call sign | WQSM281 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-10-25 |
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| Expiration | 2033-10-29 |
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| Frequency range | 461.725 - 467.5125 MHz (7 frequencies) |
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| Locations | 4 |
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| Representative location | Frederick, FREDERICK, MD |
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| Coordinates | 39.4385833, -77.3705278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:20:22 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.72500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 461.72500000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 462.18750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 462.46250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 462.51250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 466.72500000 | | | 10.000000 | 10.000000 | |
| 4 | 1 | FX1 | 466.72500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 467.18750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 467.51250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.72500000 | | 11K2F3E |
| 2 | 1 | 461.72500000 | | 11K2F3E |
| 3 | 1 | 462.18750000 | | 11K2F3E |
| 3 | 1 | 462.46250000 | | 11K2F3E |
| 3 | 1 | 462.51250000 | | 11K2F3E |
| 2 | 1 | 466.72500000 | | 11K2F3E |
| 4 | 1 | 466.72500000 | | 11K2F3E |
| 3 | 1 | 467.18750000 | | 11K2F3E |
| 3 | 1 | 467.51250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | 8560 Progress Drive, Frederick, FREDERICK, MD | 39.43858333, -77.37052778 | 94.000 m | BANT | 18.000 m structure / 20.000 m overall | |
| 2 | | | | | | | |
| 3 | | Frederick, FREDERICK, MD | 39.43858333, -77.37052778 | | | | |
| 4 | | MD | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 20.000 m | | | | -32.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 101 Boyles Street, Fort Detrick, MD | FREDERICK | 3018465351 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-25 | WQSM281 | LIREN |
| 2016-08-16 | WQSM281 | LITRAN |
| 2016-05-27 | WQSM281 | ESCAPR |
| 2014-01-04 | WQSM281 | LIAUA |
| 2014-01-03 | WQSM281 | ESCAPR |
| 2013-10-29 | WQSM281 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3526127 | 2026-08-02 01:20:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQSM281 | ULS 3526127 | 2026-08-02 01:20:22 |
| Status | A | ULS 3526127 | 2026-08-02 01:20:22 |
| Service | IG | ULS 3526127 | 2026-08-02 01:20:22 |
| Grant Date | 2023-10-25 | ULS 3526127 | 2026-08-02 01:20:22 |
| Expiration Date | 2033-10-29 | ULS 3526127 | 2026-08-02 01:20:22 |