Universal Licensing System
WNSN400
FOUR STAR INVESTIGATIONS
License details
| ULS identifier | 1673977 |
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| Call sign | WNSN400 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-06-13 |
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| Expiration | 2005-06-18 |
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| Cancellation | 2005-08-20 |
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| Frequency range | 463.75 - 468.75 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | PITTSBURGH, ALLEGHENY, PA |
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| Coordinates | 40.4431111, -79.8653333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:13 |
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Licensee
| Name | FOUR STAR INVESTIGATIONS |
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| Applicant type | C |
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| FRN | 0003179009 |
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| Location | PITTSBURGH, PA |
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| Address | 11900 FRANKSTOWN RD, PITTSBURGH, PA, 15235 |
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| Phone | 4127818882 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | FB4 | 463.75000000 | | | 100.000000 | 500.000000 | |
| 1 | 1 | FX1 | 468.75000000 | | | 40.000000 | | |
| 3 | 1 | MO | 468.75000000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 463.75000000 | | 20K0F3E |
| 1 | 1 | 468.75000000 | | 20K0F3E |
| 3 | 1 | 468.75000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PA | | | | | |
| 2 | T | 1717 PENN AVE, PITTSBURGH, ALLEGHENY, PA | 40.44311111, -79.86533333 | 387.000 m | | 27.000 m structure / 27.000 m overall | N |
| 3 | T | ALLEGHENY, PA | 40.44311111, -79.86533333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 43.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12 FEDERAL DR, PITTSBURGH, PA | | 4127818882 |
License history
| Date | File or call sign | Action |
|---|
| 2005-08-20 | WNSN400 | LIEXP |
| 2005-03-28 | WNSN400 | LETRES |
| 2001-09-17 | WNSN400 | AUDOPR |
| 2000-11-23 | WNSN400 | LICCNV |
| 2000-06-13 | WNSN400 | LIREN |
| 2000-06-13 | WNSN400 | AUTHPR |
| 2000-03-17 | WNSN400 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1673977 | 2026-08-02 01:12:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNSN400 | ULS 1673977 | 2026-08-02 01:12:13 |
| Status | E | ULS 1673977 | 2026-08-02 01:12:13 |
| Service | IG | ULS 1673977 | 2026-08-02 01:12:13 |
| Grant Date | 2000-06-13 | ULS 1673977 | 2026-08-02 01:12:13 |
| Expiration Date | 2005-06-18 | ULS 1673977 | 2026-08-02 01:12:13 |
| Cancellation Date | 2005-08-20 | ULS 1673977 | 2026-08-02 01:12:13 |