Universal Licensing System
WRBX890
Washington Suburban Sanitary Commission
License details
| ULS identifier | 4067256 |
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| Call sign | WRBX890 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2018-07-20 |
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| Expiration | 2028-07-20 |
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| Frequency range | 928.36875 - 952.36875 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | DAMASCUS, MONTGOMERY, MD |
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| Coordinates | 39.2861111, -77.2061111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.36875000 | | | | | |
| 1 | 1 | FXO | 952.36875000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.36875000 | | 10K6F2D |
| 1 | 1 | 952.36875000 | | 10K6F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 9950 DAMASCUS BLVD., DAMASCUS, MONTGOMERY, MD | 39.28611111, -77.20611111 | 243.500 m | TANK | 292.600 m structure / 296.600 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Kathrein Inc., Scala Divi SL11-940/DT2 | | H | 13.4000 | 360.0000 | | |
| 2 | 1 | R | Kathrein Inc., Scala Divi TY-900 (H) | | | 12.2000 | | | |
| 3 | 1 | T | Kathrein Inc., Scala Divi TY-900 (H) | | H | 12.2000 | 999.0000 | | |
| 4 | 1 | R | Kathrein Inc., Scala Divi SL11-940/DT2 | | | 13.4000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-12-11 | WRBX890 | LIAUA |
| 2019-10-22 | WRBX890 | LETCNS |
| 2018-12-07 | WRBX890 | LIAUA |
| 2018-07-20 | WRBX890 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4067256 | 2026-08-02 02:47:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBX890 | ULS 4067256 | 2026-08-02 02:47:33 |
| Status | A | ULS 4067256 | 2026-08-02 02:47:33 |
| Service | MG | ULS 4067256 | 2026-08-02 02:47:33 |
| Grant Date | 2018-07-20 | ULS 4067256 | 2026-08-02 02:47:33 |
| Expiration Date | 2028-07-20 | ULS 4067256 | 2026-08-02 02:47:33 |