Universal Licensing System
KNIW857
St. Mary's, County Of
License details
| ULS identifier | 1198515 |
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| Call sign | KNIW857 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2013-01-05 |
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| Expiration | 2023-03-26 |
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| Cancellation | 2023-05-27 |
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| Frequency range | 156.18 - 159.075 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | CALIFORNIA, ST. MARY'S, MD |
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| Coordinates | 38.2973611, -76.5246667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:40 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 156.18000000 | | | 225.000000 | 500.000000 | |
| 3 | 1 | FB | 156.18000000 | | | 110.000000 | 220.000000 | |
| 4 | 1 | MO | 156.18000000 | | | 110.000000 | | |
| 1 | 1 | FX1 | 159.07500000 | | | 110.000000 | | |
| 4 | 1 | MO | 159.07500000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 156.18000000 | | 20K0F3E |
| 3 | 1 | 156.18000000 | | 20K0F3E |
| 4 | 1 | 156.18000000 | | 20K0F3E |
| 1 | 1 | 159.07500000 | | 20K0F3E |
| 4 | 1 | 159.07500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MD | | | | | |
| 2 | T | OFF MD RT 4 1/2 MI W OF INT 235, CALIFORNIA, ST. MARY'S, MD | 38.29736111, -76.52466667 | 37.000 m | | 41.000 m structure / 41.000 m overall | N |
| 3 | T | SAINT MARY EOC, LEONARDTOWN, ST. MARY'S, MD | 38.28902778, -76.63552778 | 34.000 m | | 46.000 m structure / 46.000 m overall | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 41.000 m | | | | | |
| 1 | 3 | T | | 50.000 m | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | .5 MI W RT 235 & 4, CALIFORNIA, MD | ST. MARY'S | 3018638400 |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5071 |
License history
| Date | File or call sign | Action |
|---|
| 2023-05-27 | KNIW857 | LIEXP |
| 2023-03-16 | KNIW857 | ESURNW |
| 2023-02-24 | KNIW857 | ESURNW |
| 2023-01-25 | KNIW857 | ESURNW |
| 2023-01-02 | KNIW857 | LETRES |
| 2013-01-05 | KNIW857 | LIREN |
| 2013-01-04 | KNIW857 | ESUAPR |
| 2012-12-31 | KNIW857 | LETRES |
| 2012-12-26 | KNIW857 | ESURNW |
| 2012-02-23 | KNIW857 | LIAUA |
| 2012-02-23 | KNIW857 | ESCAPR |
| 2012-02-22 | KNIW857 | ESUAPR |
| 2012-02-22 | KNIW857 | EFUAPR |
| 2003-01-31 | KNIW857 | LIREN |
| 2002-12-30 | KNIW857 | LETRES |
| 2002-10-19 | KNIW857 | LIAUA |
| 2001-10-29 | KNIW857 | AUDOPR |
| 2000-10-20 | KNIW857 | LICCNV |
| 1998-01-16 | KNIW857 | LIREN |
| 1998-01-16 | KNIW857 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1198515 | 2026-08-02 01:18:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNIW857 | ULS 1198515 | 2026-08-02 01:18:40 |
| Status | E | ULS 1198515 | 2026-08-02 01:18:40 |
| Service | PW | ULS 1198515 | 2026-08-02 01:18:40 |
| Grant Date | 2013-01-05 | ULS 1198515 | 2026-08-02 01:18:40 |
| Expiration Date | 2023-03-26 | ULS 1198515 | 2026-08-02 01:18:40 |
| Cancellation Date | 2023-05-27 | ULS 1198515 | 2026-08-02 01:18:40 |