Universal Licensing System
WRS974
State of Maryland - Univ of Md Center for Eniv Science
License details
| ULS identifier | 1984274 |
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| Call sign | WRS974 |
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| Radio service | MC |
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| Status | C |
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| Grant date | 2014-03-11 |
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| Expiration | 2024-05-31 |
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| Cancellation | 2015-07-28 |
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| Frequency range | 4.1264 - 156.925 MHz (6 frequencies) |
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| Locations | 1 |
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| Representative location | SOLOMONS, CALVERT, MD |
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| Coordinates | 38.3209444, -76.4518889 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:38 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 2.09790000 | | 2.09650000 | 150.000000 | | |
| 1 | 1 | FCL | 2.18340000 | | 2.18200000 | 800.000000 | | |
| 1 | 1 | FCL | 4.12640000 | | 4.12500000 | 1000.000000 | | |
| 1 | 2 | FCL | 156.27500000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.35000000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.80000000 | | | 50.000000 | | |
| 1 | 2 | FCL | 156.92500000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 2.09790000 | | 2K80J3E |
| 1 | 1 | 2.18340000 | | 2K80J3E |
| 1 | 1 | 4.12640000 | | 2K80J3E |
| 1 | 2 | 156.27500000 | | 16K0F3E |
| 1 | 2 | 156.35000000 | | 16K0F3E |
| 1 | 2 | 156.45000000 | | 16K0F3E |
| 1 | 2 | 156.80000000 | | 16K0F3E |
| 1 | 2 | 156.92500000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CHESAPEAKE BIOLOGICAL LAB SHOP BLD, SOLOMONS, CALVERT, MD | 38.32094444, -76.45188889 | 1.000 m | B | 7.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.000 m | | | | | |
| 2 | 1 | T | | 16.000 m | | | | | |
Special conditions
| Type | Condition code |
|---|
| P | 3025 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2015-07-29 | WRS974 | LICAN |
| 2015-07-24 | WRS974 | LIAUA |
| 2015-07-23 | WRS974 | ESUAPR |
| 2014-03-11 | WRS974 | LIREN |
| 2014-03-10 | WRS974 | LETRES |
| 2014-03-02 | WRS974 | ESURNW |
| 2013-07-10 | WRS974 | LIAUA |
| 2013-07-09 | WRS974 | ESUAPR |
| 2011-05-26 | WRS974 | LIAUA |
| 2011-05-25 | WRS974 | ESUAPR |
| 2004-09-25 | WRS974 | LIAUA |
| 2004-09-24 | WRS974 | ESUAPR |
| 2004-03-09 | WRS974 | LIREN |
| 2004-03-03 | WRS974 | LETRES |
| 2002-08-20 | WRS974 | LIAUA |
| 2002-06-13 | WRS974 | LIAUA |
| 2001-04-27 | WRS974 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1984274 | 2026-08-02 02:08:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRS974 | ULS 1984274 | 2026-08-02 02:08:38 |
| Status | C | ULS 1984274 | 2026-08-02 02:08:38 |
| Service | MC | ULS 1984274 | 2026-08-02 02:08:38 |
| Grant Date | 2014-03-11 | ULS 1984274 | 2026-08-02 02:08:38 |
| Expiration Date | 2024-05-31 | ULS 1984274 | 2026-08-02 02:08:38 |
| Cancellation Date | 2015-07-28 | ULS 1984274 | 2026-08-02 02:08:38 |