Universal Licensing System
WNTM686
WASHINGTON SUBURBAN SANITARY COMMISSION
License details
| ULS identifier | 1024733 |
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| Call sign | WNTM686 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2018-08-14 |
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| Expiration | 2028-11-04 |
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| Frequency range | 6286.19 - 6705 MHz (3 frequencies) |
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| Locations | 3 |
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| Representative location | Greater Upper Marlbo, PRINCE GEORGE'S, MD |
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| Coordinates | 38.7926111, -76.7330278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 6286.19000000 | | | | | |
| 1 | 1 | FXO | 6695.00000000 | | | | | |
| 1 | 2 | FXO | 6705.00000000 | | | | | |
| 1 | 5 | FXO | 6705.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 6286.19000000 | | 30M0D7W |
| 1 | 1 | 6695.00000000 | | 10M0D9W |
| 1 | 2 | 6705.00000000 | | 10M0D9W |
| 1 | 5 | 6705.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6600 Crane Highway, Greater Upper Marlbo, PRINCE GEORGE'S, MD | 38.79261111, -76.73302778 | 16.800 m | LTOWER | 70.100 m structure / 75.000 m overall | N |
| 2 | R | | 38.70983333, -76.86188889 | 70.100 m | | | |
| 3 | R | | 38.89066667, -76.86911111 | 61.000 m | | | |
| 4 | R | | 38.77288889, -76.92091667 | 75.900 m | | | |
| 6 | R | | 38.71661111, -76.85475000 | 72.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 42.3000 | 312.7000 | | |
| 1 | 2 | R | | | | 42.3000 | | | |
| 1 | 3 | R | | | | 42.3000 | | | |
| 1 | 4 | R | ANDREW CORPORATION UHX6-59WB RF | | | 38.8000 | 0.0000 | | |
| 1 | 6 | R | ANDREW HX8-6W | | | 41.6000 | 0.0000 | | |
| 2 | 1 | T | | | V | 42.3000 | 230.7000 | | |
| 3 | 1 | T | ANDREW CORPORATION UHX6-59WB RF | | V | 38.8000 | 262.4000 | | |
| 5 | 1 | T | ANDREW HX8-6W | | H | 41.6000 | 231.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-09 | WNTM686 | LIMOD |
| 2025-12-07 | WNTM686 | LOATRM |
| 2025-12-07 | WNTM686 | ANATRM |
| 2025-12-07 | WNTM686 | FRATRM |
| 2025-12-07 | WNTM686 | PAATRM |
| 2025-07-30 | WNTM686 | PNLISR |
| 2025-07-30 | WNTM686 | LETTRS |
| 2025-03-25 | WNTM686 | LETCNS |
| 2023-12-21 | WNTM686 | LIMOD |
| 2019-12-11 | WNTM686 | LIAUA |
| 2018-12-07 | WNTM686 | LIAUA |
| 2018-08-14 | WNTM686 | LIREN |
| 2018-08-13 | WNTM686 | LETRES |
| 2018-08-06 | WNTM686 | ESURNW |
| 2011-09-13 | WNTM686 | LETCNS |
| 2011-08-12 | WNTM686 | AUTHPR |
| 2011-05-17 | WNTM686 | LETCNS |
| 2010-02-17 | WNTM686 | LIMOD |
| 2008-08-19 | WNTM686 | LIREN |
| 2008-08-11 | WNTM686 | LETRES |
| 2002-07-09 | WNTM686 | LIAUA |
| 1999-08-14 | WNTM686 | LICCNV |
| 1999-07-22 | WNTM686 | COR |
| 1998-08-13 | WNTM686 | LIREN |
| 1993-11-04 | WNTM686 | LIMOD |
| 1992-03-13 | WNTM686 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1024733 | 2026-08-02 02:47:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNTM686 | ULS 1024733 | 2026-08-02 02:47:36 |
| Status | A | ULS 1024733 | 2026-08-02 02:47:36 |
| Service | MW | ULS 1024733 | 2026-08-02 02:47:36 |
| Grant Date | 2018-08-14 | ULS 1024733 | 2026-08-02 02:47:36 |
| Expiration Date | 2028-11-04 | ULS 1024733 | 2026-08-02 02:47:36 |