Universal Licensing System
WQBJ334
JOHNS HOPKINS UNIVERSITY
License details
| ULS identifier | 2663773 |
|---|
| Call sign | WQBJ334 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 2004-10-19 |
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| Expiration | 2014-10-19 |
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| Cancellation | 2014-12-20 |
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| Frequency range | 23125 - 23175 MHz (2 frequencies) |
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| Locations | 1 |
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| Coordinates | 38.9077222, -77.0374722 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:43 |
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Licensee
| Name | JOHNS HOPKINS UNIVERSITY |
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| Applicant type | C |
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| FRN | 0002161057 |
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| Location | BALTIMORE, MD |
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| Address | JOHNS HOPKINS UNIV HOMEWOOD CAMPUS GARLAND HALL SUITE 020, BALTIMORE, MD, 21218 |
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| Phone | 4105160570 |
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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 |
|---|
| 1 | 1 | FXO | 23125.00000000 | | | | | |
| 1 | 2 | FXO | 23175.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23125.00000000 | | 50M0D7W |
| 1 | 2 | 23175.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1740 MASSACHUSETTS AVE, WASHINGTON, Washington, DC | 38.90816667, -77.03988889 | 61.600 m | BMAST | 61.500 m structure / 63.400 m overall | |
| 2 | R | | 38.90877778, -77.03913889 | 58.500 m | | | |
| 3 | R | | 38.90772222, -77.03747222 | 22.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | GABRIEL ELECTRONICS HES2-220A | | H | 40.2000 | 43.8000 | | |
| 1 | 2 | R | GABRIEL ELECTRONICS HES2-220A | | | 40.2000 | | | |
| 1 | 3 | R | RADIO WAVES INC. HP2-23 | | | 40.2000 | | | |
| 2 | 1 | T | RADIO WAVES INC. HP2-23 | | V | 40.2000 | 103.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2014-12-20 | WQBJ334 | LIEXP |
| 2014-07-28 | WQBJ334 | LETRES |
| 2008-10-28 | WQBJ334 | LETCNS |
| 2007-07-24 | WQBJ334 | LIMOD |
| 2007-07-23 | WQBJ334 | ESUAPR |
| 2006-05-26 | WQBJ334 | ESUAPR |
| 2004-10-19 | WQBJ334 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2663773 | 2026-08-02 02:42:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQBJ334 | ULS 2663773 | 2026-08-02 02:42:43 |
| Status | E | ULS 2663773 | 2026-08-02 02:42:43 |
| Service | MG | ULS 2663773 | 2026-08-02 02:42:43 |
| Grant Date | 2004-10-19 | ULS 2663773 | 2026-08-02 02:42:43 |
| Expiration Date | 2014-10-19 | ULS 2663773 | 2026-08-02 02:42:43 |
| Cancellation Date | 2014-12-20 | ULS 2663773 | 2026-08-02 02:42:43 |