Universal Licensing System
WNTJ304
TELECONFERENCE SERVICE INC
License details
| ULS identifier | 1022557 |
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| Call sign | WNTJ304 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 1993-10-29 |
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| Expiration | 1998-10-29 |
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| Frequency range | 17960 MHz |
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| Locations | 2 |
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| Representative location | CREVE COEUR, ST. LOUIS, MO |
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| Coordinates | 38.6744722, -90.4023333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:51 |
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Licensee
| Name | TELECONFERENCE SERVICE INC |
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| Applicant type | C |
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| Location | OAKBROOK, IL |
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| Address | 619 ENTERPRISE DR STE 205, OAKBROOK, IL, 60521 |
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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 | 17960.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 17960.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1015 CORPORATE SQ, CREVE COEUR, ST. LOUIS, MO | 38.67447222, -90.40233333 | 216.400 m | | 12.200 m structure / 15.200 m overall | |
| 2 | R | | 38.67252778, -90.38900000 | 218.800 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 | 38.7000 | 100.5000 | | |
| 1 | 2 | R | | | | 38.7000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-14 | WNTJ304 | LICCNV |
| 1999-08-06 | WNTJ304 | COR |
| 1999-07-22 | WNTJ304 | COR |
| 1993-10-29 | WNTJ304 | LIMOD |
| 1993-10-25 | WNTJ304 | LIMOD |
| 1993-10-13 | WNTJ304 | LIMOD |
| 1991-04-18 | WNTJ304 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1022557 | 2026-08-02 02:47:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNTJ304 | ULS 1022557 | 2026-08-02 02:47:51 |
| Status | E | ULS 1022557 | 2026-08-02 02:47:51 |
| Service | MG | ULS 1022557 | 2026-08-02 02:47:51 |
| Grant Date | 1993-10-29 | ULS 1022557 | 2026-08-02 02:47:51 |
| Expiration Date | 1998-10-29 | ULS 1022557 | 2026-08-02 02:47:51 |