Universal Licensing System
WNNY478
CLAYTON ENGINEERING COMPANY INC
License details
| ULS identifier | 1667119 |
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| Call sign | WNNY478 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-01-06 |
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| Expiration | 2004-03-23 |
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| Cancellation | 2004-05-23 |
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| Frequency range | 464.975 - 469.975 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SAINT LOUIS, MO |
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| Coordinates | 38.6731111, -90.3945556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:16 |
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Licensee
| Name | CLAYTON ENGINEERING COMPANY INC |
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| Applicant type | C |
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| Location | SAINT LOUIS, MO |
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| Address | 11920 WESTLINE IND DR, SAINT LOUIS, MO, 63146 |
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| Phone | 3145420009 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 464.97500000 | | | 15.000000 | 15.000000 | |
| 2 | 1 | MO | 469.97500000 | | | 15.000000 | 15.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.97500000 | | 20K0F3E |
| 2 | 1 | 469.97500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11920 WESTLINE INDUSTRIAL DR, SAINT LOUIS, MO | 38.67311111, -90.39455556 | 207.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | 0.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12755 OLIVE BLVD STE 100, SAINT LOUIS, MO | | 3145420009 |
License history
| Date | File or call sign | Action |
|---|
| 2004-05-23 | WNNY478 | LIEXP |
| 2003-12-29 | WNNY478 | LETRES |
| 2001-09-04 | WNNY478 | AUDOPR |
| 2000-11-23 | WNNY478 | LICCNV |
| 1999-01-06 | WNNY478 | AUTHPR |
| 1999-01-06 | WNNY478 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1667119 | 2026-08-02 01:28:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNNY478 | ULS 1667119 | 2026-08-02 01:28:16 |
| Status | E | ULS 1667119 | 2026-08-02 01:28:16 |
| Service | IG | ULS 1667119 | 2026-08-02 01:28:16 |
| Grant Date | 1999-01-06 | ULS 1667119 | 2026-08-02 01:28:16 |
| Expiration Date | 2004-03-23 | ULS 1667119 | 2026-08-02 01:28:16 |
| Cancellation Date | 2004-05-23 | ULS 1667119 | 2026-08-02 01:28:16 |