Universal Licensing System
WRBU663
SERIOUS BUSINESS EXECUTIVE SECURITY LLC
License details
| ULS identifier | 4059612 |
|---|
| Call sign | WRBU663 |
|---|
| Radio service | GB |
|---|
| Status | A |
|---|
| Grant date | 2018-06-25 |
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| Expiration | 2028-06-25 |
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| Frequency range | 815.8375 - 860.8375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | GWYNN OAK, BALTIMORE, MD |
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| Coordinates | 39.3230556, -76.7417222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 815.83750000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | FB2 | 860.83750000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 860.83750000 | | | 3.000000 | 3.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 815.83750000 | | 16K0F1E |
| 2 | 1 | 815.83750000 | | 11K0F2D |
| 2 | 1 | 815.83750000 | | 11K0F3E |
| 2 | 1 | 815.83750000 | | 8K10F1E |
| 2 | 1 | 815.83750000 | | 20K0F1D |
| 2 | 1 | 815.83750000 | | 16K0F1D |
| 2 | 1 | 815.83750000 | | 10K4F3E |
| 2 | 1 | 815.83750000 | | 8K10F1D |
| 2 | 1 | 815.83750000 | | 16K0F3E |
| 2 | 1 | 815.83750000 | | 11K0F1D |
| 2 | 1 | 815.83750000 | | 15K0F2D |
| 1 | 1 | 860.83750000 | | 16K0F1D |
| 1 | 1 | 860.83750000 | | 11K0F2D |
| 1 | 1 | 860.83750000 | | 20K0F1D |
| 1 | 1 | 860.83750000 | | 8K10F1D |
| 1 | 1 | 860.83750000 | | 11K0F3E |
| 1 | 1 | 860.83750000 | | 15K0F2D |
| 1 | 1 | 860.83750000 | | 8K10F1E |
| 1 | 1 | 860.83750000 | | 16K0F1E |
| 1 | 1 | 860.83750000 | | 10K4F3E |
| 1 | 1 | 860.83750000 | | 16K0F3E |
| 1 | 1 | 860.83750000 | | 11K0F1D |
| 2 | 1 | 860.83750000 | | 15K0F2D |
| 2 | 1 | 860.83750000 | | 11K0F3E |
| 2 | 1 | 860.83750000 | | 10K4F3E |
| 2 | 1 | 860.83750000 | | 8K10F1D |
| 2 | 1 | 860.83750000 | | 11K0F1D |
| 2 | 1 | 860.83750000 | | 8K10F1E |
| 2 | 1 | 860.83750000 | | 20K0F1D |
| 2 | 1 | 860.83750000 | | 16K0F1E |
| 2 | 1 | 860.83750000 | | 11K0F2D |
| 2 | 1 | 860.83750000 | | 16K0F1D |
| 2 | 1 | 860.83750000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1917 FEATHERBED LANE, GWYNN OAK, BALTIMORE, MD | 39.32305556, -76.74172222 | 128.000 m | BANT | 6.100 m structure / 6.100 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.100 m | | | | 25.900 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1917 FEATHERBED LANE, GWYNN OAK, MD | BALTIMORE | 4436761447 |
License history
| Date | File or call sign | Action |
|---|
| 2018-06-25 | WRBU663 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4059612 | 2026-08-02 01:21:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBU663 | ULS 4059612 | 2026-08-02 01:21:59 |
| Status | A | ULS 4059612 | 2026-08-02 01:21:59 |
| Service | GB | ULS 4059612 | 2026-08-02 01:21:59 |
| Grant Date | 2018-06-25 | ULS 4059612 | 2026-08-02 01:21:59 |
| Expiration Date | 2028-06-25 | ULS 4059612 | 2026-08-02 01:21:59 |