Universal Licensing System
KD20482
SIGMA CHEMICAL COMPANY
License details
| ULS identifier | 1900210 |
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| Call sign | KD20482 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-12-22 |
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| Expiration | 2003-02-12 |
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| Cancellation | 2003-05-18 |
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| Frequency range | 462.4 - 467.4 MHz (3 frequencies) |
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| Locations | 4 |
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| Representative location | SAINT LOUIS, MO |
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| Coordinates | 38.6292222, -90.2062222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:44 |
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Licensee
| Name | SIGMA CHEMICAL COMPANY |
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| Applicant type | C |
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| Location | SAINT LOUIS, MO |
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| Address | SAINT LOUIS, MO, 63178 |
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| Phone | 3147715765 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 462.40000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | FB2 | 462.40000000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO | 462.40000000 | | | 5.000000 | | |
| 4 | 1 | MO | 462.40000000 | | | 5.000000 | | |
| 3 | 1 | MO | 467.25000000 | | | 5.000000 | | |
| 4 | 1 | MO | 467.25000000 | | | 5.000000 | | |
| 3 | 1 | MO | 467.40000000 | | | 5.000000 | | |
| 4 | 1 | MO | 467.40000000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.40000000 | | 20K0F3E |
| 2 | 1 | 462.40000000 | | 20K0F3E |
| 3 | 1 | 462.40000000 | | 20K0F3E |
| 4 | 1 | 462.40000000 | | 20K0F3E |
| 3 | 1 | 467.25000000 | | 20K0F3E |
| 4 | 1 | 467.25000000 | | 20K0F3E |
| 3 | 1 | 467.40000000 | | 20K0F3E |
| 4 | 1 | 467.40000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3500 DEKALB ST, SAINT LOUIS, MO | 38.62922222, -90.20622222 | 153.000 m | | 15.000 m structure / 15.000 m overall | N |
| 2 | T | 3050 SPRUCE ST, SAINT LOUIS, MO | 38.63394444, -90.22427778 | 163.000 m | | 12.000 m structure / 12.000 m overall | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | | |
| 1 | 2 | T | | 12.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3500 DE KALB ST, SAINT LOUIS, MO | | 3147715765 |
License history
| Date | File or call sign | Action |
|---|
| 2003-05-18 | KD20482 | LIEXP |
| 2002-11-18 | KD20482 | LETRES |
| 2002-05-20 | KD20482 | LETAUS |
| 2000-11-24 | KD20482 | LICCNV |
| 1997-12-22 | KD20482 | AUTHPR |
| 1997-12-22 | KD20482 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1900210 | 2026-08-02 01:27:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KD20482 | ULS 1900210 | 2026-08-02 01:27:44 |
| Status | E | ULS 1900210 | 2026-08-02 01:27:44 |
| Service | IG | ULS 1900210 | 2026-08-02 01:27:44 |
| Grant Date | 1997-12-22 | ULS 1900210 | 2026-08-02 01:27:44 |
| Expiration Date | 2003-02-12 | ULS 1900210 | 2026-08-02 01:27:44 |
| Cancellation Date | 2003-05-18 | ULS 1900210 | 2026-08-02 01:27:44 |