Universal Licensing System
WRVL644
Johns Hopkins University Applied Physics Laboratory LLC
License details
| ULS identifier | 4696980 |
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| Call sign | WRVL644 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-12-06 |
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| Expiration | 2032-12-06 |
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| Frequency range | 157.56 MHz |
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| Locations | 2 |
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| Representative location | LAUREL, HOWARD, MD |
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| Coordinates | 39.1640000, -76.8969167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:18 |
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Licensee
| Name | Johns Hopkins University Applied Physics Laboratory LLC |
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| Applicant type | G |
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| FRN | 0005564471 |
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| Location | LAUREL, MD |
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| Address | 11100 Johns Hopkins Rd., LAUREL, MD, 20723 |
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| Phone | 2402287410 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 157.56000000 | | | 60.000000 | 60.000000 | |
| 2 | 1 | MO | 157.56000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 157.56000000 | | 11K0F1D |
| 1 | 1 | 157.56000000 | | 11K2F3E |
| 2 | 1 | 157.56000000 | | 11K2F3E |
| 2 | 1 | 157.56000000 | | 11K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BLDG 1 RM S401 JOHNS HOPKINS, LAUREL, HOWARD, MD | 39.16400000, -76.89691667 | 137.000 m | B | 152.000 m structure / 152.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.000 m | | | | 182.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 11100 JOHNS HOPKINS ROAD, LAUREL, MD | HOWARD | 3019530835 |
License history
| Date | File or call sign | Action |
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| 2022-12-06 | WRVL644 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4696980 | 2026-08-02 01:14:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRVL644 | ULS 4696980 | 2026-08-02 01:14:18 |
| Status | A | ULS 4696980 | 2026-08-02 01:14:18 |
| Service | IG | ULS 4696980 | 2026-08-02 01:14:18 |
| Grant Date | 2022-12-06 | ULS 4696980 | 2026-08-02 01:14:18 |
| Expiration Date | 2032-12-06 | ULS 4696980 | 2026-08-02 01:14:18 |