Universal Licensing System
WNTU346
SPECTRADYNE INC
License details
| ULS identifier | 1029368 |
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| Call sign | WNTU346 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 1998-12-17 |
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| Expiration | 2009-02-08 |
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| Cancellation | 1999-03-02 |
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| Frequency range | 18142 - 18412 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8994722, -87.6216944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:12 |
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Licensee
| Name | SPECTRADYNE INC |
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| FRN | 0004537445 |
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| Location | SAN JOSE, CA |
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| Address | 6331 SAN IGNACIO AVE, SAN JOSE, CA, 95119 |
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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 | FXO | 18142.00000000 | 18412.00000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 18142.00000000 | | 5M75C3F |
| 1 | 1 | 18142.00000000 | | 250KF3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 198 E DELAWARE, CHICAGO, COOK, IL | 41.89947222, -87.62169444 | 15.800 m | | 81.700 m structure / 81.700 m overall | |
| 2 | R | | 41.88752778, -87.61947222 | 15.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 44.7000 | 171.7000 | | |
| 1 | 2 | R | | | | 44.7000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-14 | WNTU346 | LICCNV |
| 1999-03-02 | WNTU346 | LICAN |
| 1998-12-17 | WNTU346 | LIREN |
| 1998-01-26 | WNTU346 | COR |
| 1997-06-24 | WNTU346 | COR |
| 1994-02-08 | WNTU346 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1029368 | 2026-08-02 02:44:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNTU346 | ULS 1029368 | 2026-08-02 02:44:12 |
| Status | C | ULS 1029368 | 2026-08-02 02:44:12 |
| Service | MG | ULS 1029368 | 2026-08-02 02:44:12 |
| Grant Date | 1998-12-17 | ULS 1029368 | 2026-08-02 02:44:12 |
| Expiration Date | 2009-02-08 | ULS 1029368 | 2026-08-02 02:44:12 |
| Cancellation Date | 1999-03-02 | ULS 1029368 | 2026-08-02 02:44:12 |