Universal Licensing System
WQXN831
SENTINEL DATA CENTERS
License details
| ULS identifier | 3805707 |
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| Call sign | WQXN831 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2016-04-26 |
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| Expiration | 2026-04-26 |
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| Cancellation | 2026-06-27 |
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| Frequency range | 464.85 - 469.85 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | DURHAM, DURHAM, NC |
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| Coordinates | 35.9360556, -78.8799444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:17 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 464.85000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 464.85000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.85000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.85000000 | | 11K2F3E |
| 2 | 1 | 464.85000000 | | 11K2F3E |
| 2 | 1 | 469.85000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2223 NE CREEK PARKWAY, DURHAM, DURHAM, NC | 35.93605556, -78.87994444 | 104.000 m | B | 12.200 m structure / 12.200 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.200 m | | | | 8.300 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2223 NE CREEK PARKWAY, DURHAM, NC | DURHAM | 9192875710 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-27 | WQXN831 | LIEXP |
| 2026-02-02 | WQXN831 | LETRES |
| 2016-04-26 | WQXN831 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3805707 | 2026-08-02 01:22:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQXN831 | ULS 3805707 | 2026-08-02 01:22:17 |
| Status | E | ULS 3805707 | 2026-08-02 01:22:17 |
| Service | IG | ULS 3805707 | 2026-08-02 01:22:17 |
| Grant Date | 2016-04-26 | ULS 3805707 | 2026-08-02 01:22:17 |
| Expiration Date | 2026-04-26 | ULS 3805707 | 2026-08-02 01:22:17 |
| Cancellation Date | 2026-06-27 | ULS 3805707 | 2026-08-02 01:22:17 |