Universal Licensing System
WNXU381
Johns Hopkins University Applied Physics Laboratory LLC
License details
| ULS identifier | 1690386 |
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| Call sign | WNXU381 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-05-16 |
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| Expiration | 2012-03-31 |
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| Cancellation | 2012-06-02 |
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| Frequency range | 464.925 - 469.925 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | HOWARD, MD |
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| Coordinates | 39.1070556, -76.8580278 |
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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 | C |
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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 | 2402287233 |
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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 | MO | 464.92500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.92500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.92500000 | | 20K0F3E |
| 1 | 1 | 469.92500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HOWARD, MD | 39.10705556, -76.85802778 | | | | |
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 |
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| 1 | 11100 JOHN HOPKINS DR, LAUREL, MD | | 3017926000 |
License history
| Date | File or call sign | Action |
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| 2012-06-02 | WNXU381 | LIEXP |
| 2012-01-09 | WNXU381 | LETRES |
| 2009-06-02 | WNXU381 | LIAUA |
| 2009-06-01 | WNXU381 | ESCAPR |
| 2002-05-16 | WNXU381 | LIREN |
| 2002-01-07 | WNXU381 | LETRES |
| 2001-10-12 | WNXU381 | AUDOPR |
| 2000-11-23 | WNXU381 | LICCNV |
| 1997-04-02 | WNXU381 | AUTHPR |
| 1997-03-31 | WNXU381 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1690386 | 2026-08-02 01:14:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNXU381 | ULS 1690386 | 2026-08-02 01:14:18 |
| Status | E | ULS 1690386 | 2026-08-02 01:14:18 |
| Service | IG | ULS 1690386 | 2026-08-02 01:14:18 |
| Grant Date | 2002-05-16 | ULS 1690386 | 2026-08-02 01:14:18 |
| Expiration Date | 2012-03-31 | ULS 1690386 | 2026-08-02 01:14:18 |
| Cancellation Date | 2012-06-02 | ULS 1690386 | 2026-08-02 01:14:18 |