Universal Licensing System
WPNQ504
STONE AND WEBSTER ENGINEERING CORPORATION
License details
| ULS identifier | 1804600 |
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| Call sign | WPNQ504 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1999-05-04 |
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| Expiration | 2004-05-04 |
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| Cancellation | 2004-06-10 |
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| Frequency range | 452.275 MHz |
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| Locations | 1 |
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| Representative location | MIAMI-DADE, FL |
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| Coordinates | 25.9681389, -80.1450556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:51 |
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Licensee
| Name | STONE AND WEBSTER ENGINEERING CORPORATION |
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| Applicant type | C |
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| Location | N MIAMI, FL |
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| Address | 20803 BISCAYNE BLVD STE 303, N MIAMI, FL, 33180 |
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| Phone | 3056823862 |
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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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| 1 | 1 | MO | 452.27500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 452.27500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MIAMI-DADE, FL | 25.96813889, -80.14505556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 20803 BISCAYNE BLVD N, MIAMI, FL | | 3056823862 |
License history
| Date | File or call sign | Action |
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| 2004-06-23 | WPNQ504 | PNACT |
| 2004-06-10 | WPNQ504 | LITERM |
| 2004-06-10 | WPNQ504 | LETACS |
| 2004-02-09 | WPNQ504 | LETRES |
| 2000-11-23 | WPNQ504 | LICCNV |
| 1999-05-04 | WPNQ504 | AUTHPR |
| 1999-05-04 | WPNQ504 | LIISS |
| WPNQ504 | AUDCAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1804600 | 2026-08-02 01:26:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPNQ504 | ULS 1804600 | 2026-08-02 01:26:51 |
| Status | T | ULS 1804600 | 2026-08-02 01:26:51 |
| Service | IG | ULS 1804600 | 2026-08-02 01:26:51 |
| Grant Date | 1999-05-04 | ULS 1804600 | 2026-08-02 01:26:51 |
| Expiration Date | 2004-05-04 | ULS 1804600 | 2026-08-02 01:26:51 |
| Cancellation Date | 2004-06-10 | ULS 1804600 | 2026-08-02 01:26:51 |