Universal Licensing System
WPTR257
MONSANTO
License details
| ULS identifier | 2365972 |
|---|
| Call sign | WPTR257 |
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| Radio service | IG |
|---|
| Status | C |
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| Grant date | 2011-11-03 |
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| Expiration | 2021-11-28 |
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| Cancellation | 2016-02-23 |
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| Frequency range | 452.075 - 466.675 MHz (6 frequencies) |
|---|
| Locations | 2 |
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| Representative location | ST LOUIS, ST. LOUIS, MO |
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| Coordinates | 38.6747222, -90.3986111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:44 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.07500000 | | | 40.000000 | 30.000000 | |
| 2 | 1 | MO | 457.07500000 | | | 25.000000 | 20.000000 | |
| 1 | 1 | FB2 | 461.30000000 | | | 40.000000 | 30.000000 | |
| 1 | 1 | FB2 | 461.67500000 | | | 40.000000 | 30.000000 | |
| 2 | 1 | MO | 466.30000000 | | | 25.000000 | 20.000000 | |
| 2 | 1 | MO | 466.67500000 | | | 25.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.07500000 | | 20K0F3E |
| 2 | 1 | 457.07500000 | | 20K0F3E |
| 1 | 1 | 461.30000000 | | 20K0F3E |
| 1 | 1 | 461.67500000 | | 20K0F3E |
| 2 | 1 | 466.30000000 | | 20K0F3E |
| 2 | 1 | 466.67500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 800 N LINDBERGH, ST LOUIS, ST. LOUIS, MO | 38.67472222, -90.39861111 | 210.000 m | B | 14.000 m structure / 17.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 17.000 m | | | | 63.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 800 LINDBERGH BLVD, SAINT LOUIS, MO | ST. LOUIS | 3146941007 |
License history
| Date | File or call sign | Action |
|---|
| 2016-02-23 | WPTR257 | LICAN |
| 2016-02-22 | WPTR257 | ESUAPR |
| 2011-11-03 | WPTR257 | LIREN |
| 2011-11-03 | WPTR257 | LIAUA |
| 2011-11-02 | WPTR257 | ESCAPR |
| 2011-09-05 | WPTR257 | LETRES |
| 2002-08-26 | WPTR257 | LETCNS |
| 2002-06-13 | WPTR257 | AUTHPR |
| 2002-06-12 | WPTR257 | INTDUP |
| 2002-06-12 | WPTR257 | COR |
| 2002-05-29 | WPTR257 | LIASS |
| 2001-11-28 | WPTR257 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2365972 | 2026-08-02 01:14:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTR257 | ULS 2365972 | 2026-08-02 01:14:44 |
| Status | C | ULS 2365972 | 2026-08-02 01:14:44 |
| Service | IG | ULS 2365972 | 2026-08-02 01:14:44 |
| Grant Date | 2011-11-03 | ULS 2365972 | 2026-08-02 01:14:44 |
| Expiration Date | 2021-11-28 | ULS 2365972 | 2026-08-02 01:14:44 |
| Cancellation Date | 2016-02-23 | ULS 2365972 | 2026-08-02 01:14:44 |