Universal Licensing System
WQPA437
Tri-Signal Integration
License details
| ULS identifier | 3361839 |
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| Call sign | WQPA437 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-03-20 |
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| Expiration | 2022-03-20 |
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| Cancellation | 2022-05-21 |
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| Frequency range | 457.8375 MHz |
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| Locations | 1 |
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| Representative location | Sylmar, LOS ANGELES, CA |
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| Coordinates | 34.3108056, -118.4755000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:57 |
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Licensee
| Name | Tri-Signal Integration |
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| Applicant type | C |
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| FRN | 0021463401 |
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| Location | Sylmar, CA |
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| Address | 15853 Monte St Suite 101, Sylmar, CA, 91342 |
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| Phone | 8185668558 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.61250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.83750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.83750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.41250000 | | 7K60FXE |
| 1 | 1 | 451.41250000 | | 11K2F3E |
| 1 | 1 | 451.61250000 | | 11K2F3E |
| 1 | 1 | 451.61250000 | | 7K60FXE |
| 1 | 1 | 452.83750000 | | 7K60FXE |
| 1 | 1 | 452.83750000 | | 11K2F3E |
| 1 | 1 | 456.41250000 | | 11K2F3E |
| 1 | 1 | 456.41250000 | | 7K60FXE |
| 1 | 1 | 457.83750000 | | 7K60FXE |
| 1 | 1 | 457.83750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | Sylmar, LOS ANGELES, CA | 34.31080556, -118.47550000 | 384.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 15853 Monte Street Suite 101, Sylmar, CA | LOS ANGELES | 8185668558 |
License history
| Date | File or call sign | Action |
|---|
| 2022-05-21 | WQPA437 | LIEXP |
| 2012-03-20 | WQPA437 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3361839 | 2026-08-02 01:19:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQPA437 | ULS 3361839 | 2026-08-02 01:19:57 |
| Status | E | ULS 3361839 | 2026-08-02 01:19:57 |
| Service | IG | ULS 3361839 | 2026-08-02 01:19:57 |
| Grant Date | 2012-03-20 | ULS 3361839 | 2026-08-02 01:19:57 |
| Expiration Date | 2022-03-20 | ULS 3361839 | 2026-08-02 01:19:57 |
| Cancellation Date | 2022-05-21 | ULS 3361839 | 2026-08-02 01:19:57 |