Universal Licensing System
WPMG281
GENERAL MOTORS RESEARCH CORPORATION
License details
| ULS identifier | 1793797 |
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| Call sign | WPMG281 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 1998-07-14 |
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| Expiration | 2003-07-14 |
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| Cancellation | 2003-07-08 |
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| Frequency range | 456.175 - 467.475 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | WENTZVILLE, ST. CHARLES, MO |
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| Coordinates | 38.8181111, -90.8187500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 456.17500000 | | | 4.000000 | | |
| 2 | 1 | MO | 457.77500000 | | | 4.000000 | | |
| 1 | 1 | FB2 | 462.37500000 | | | 30.000000 | 60.000000 | |
| 2 | 1 | MO | 467.25000000 | | | 4.000000 | | |
| 2 | 1 | MO | 467.37500000 | | | 4.000000 | | |
| 2 | 1 | MO | 467.47500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 456.17500000 | | 20K0F3E |
| 2 | 1 | 457.77500000 | | 20K0F3E |
| 1 | 1 | 462.37500000 | | 20K0F3E |
| 2 | 1 | 467.25000000 | | 20K0F3E |
| 2 | 1 | 467.37500000 | | 20K0F3E |
| 2 | 1 | 467.47500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1500 E RT A, WENTZVILLE, ST. CHARLES, MO | 38.81811111, -90.81875000 | 189.000 m | BTWR | 24.000 m structure / 23.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 23.000 m | | | | 42.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1500 E RT A, WENTZVILLE, MO | | 3143272052 |
License history
| Date | File or call sign | Action |
|---|
| 2003-07-09 | WPMG281 | LICAN |
| 2003-04-21 | WPMG281 | LETRES |
| 2002-08-29 | WPMG281 | LIAUA |
| 2001-11-06 | WPMG281 | AUDOPR |
| 2001-09-11 | WPMG281 | LIAUA |
| 2000-11-23 | WPMG281 | LICCNV |
| 1998-07-14 | WPMG281 | LIISS |
| 1998-07-14 | WPMG281 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1793797 | 2026-08-02 01:10:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMG281 | ULS 1793797 | 2026-08-02 01:10:26 |
| Status | C | ULS 1793797 | 2026-08-02 01:10:26 |
| Service | IG | ULS 1793797 | 2026-08-02 01:10:26 |
| Grant Date | 1998-07-14 | ULS 1793797 | 2026-08-02 01:10:26 |
| Expiration Date | 2003-07-14 | ULS 1793797 | 2026-08-02 01:10:26 |
| Cancellation Date | 2003-07-08 | ULS 1793797 | 2026-08-02 01:10:26 |