Universal Licensing System
WPTW451
Multiplex Company Inc
License details
| ULS identifier | 2372891 |
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| Call sign | WPTW451 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-12-31 |
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| Expiration | 2011-12-31 |
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| Cancellation | 2012-03-03 |
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| Frequency range | 451.3375 - 457.5125 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | St. Louis, ST. LOUIS, MO |
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| Coordinates | 38.5858333, -90.5525000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:47 |
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Licensee
| Name | Multiplex Company Inc |
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| Applicant type | C |
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| FRN | 0006491138 |
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| Location | St Louis, MO |
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| Address | 250 Old Ballwin Rd, St Louis, MO, 630214800 |
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| Phone | 6362569797 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.33750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 452.51250000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 456.33750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 457.51250000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.33750000 | | 11K2F3E |
| 1 | 1 | 452.51250000 | | 11K2F3E |
| 1 | 1 | 456.33750000 | | 11K2F3E |
| 1 | 1 | 457.51250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | St. Louis, ST. LOUIS, MO | 38.58583333, -90.55250000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 250 Old Ballwin Rd, St. Louis, MO | ST. LOUIS | 6362569797 |
License history
| Date | File or call sign | Action |
|---|
| 2012-03-03 | WPTW451 | LIEXP |
| 2011-10-10 | WPTW451 | LETRES |
| 2002-09-30 | WPTW451 | LETCNS |
| 2001-12-31 | WPTW451 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2372891 | 2026-08-02 01:14:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTW451 | ULS 2372891 | 2026-08-02 01:14:47 |
| Status | E | ULS 2372891 | 2026-08-02 01:14:47 |
| Service | IG | ULS 2372891 | 2026-08-02 01:14:47 |
| Grant Date | 2001-12-31 | ULS 2372891 | 2026-08-02 01:14:47 |
| Expiration Date | 2011-12-31 | ULS 2372891 | 2026-08-02 01:14:47 |
| Cancellation Date | 2012-03-03 | ULS 2372891 | 2026-08-02 01:14:47 |