Universal Licensing System
WPMD583
GRAYCOR INDUSTRIAL CONSTRUCTION LLC
License details
| ULS identifier | 1792362 |
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| Call sign | WPMD583 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1998-06-10 |
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| Expiration | 2003-06-10 |
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| Cancellation | 2002-02-08 |
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| Frequency range | 452.275 - 457.275 MHz (2 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:42 |
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Licensee
| Name | GRAYCOR INDUSTRIAL CONSTRUCTION LLC |
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| Applicant type | C |
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| Location | HOMEWOOD, IL |
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| Address | 1 GRAYCOR DRIVE, HOMEWOOD, IL, 60430 |
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| Phone | 8123627104 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 452.27500000 | | | 25.000000 | 28.000000 | |
| 2 | 1 | MO | 452.27500000 | | | 4.000000 | | |
| 2 | 1 | MO | 457.27500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.27500000 | | 20K0F3E |
| 2 | 1 | 452.27500000 | | 20K0F3E |
| 2 | 1 | 457.27500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | AK STEEL CONSTRUCTION PROJECT, ROCKPORT, SPENCER, IN | 37.98366667, -87.02305556 | 137.000 m | POLE | 9.000 m structure / 12.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 26.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | AK STEEL CONSTRUCTION SITE, ROCKPORT, IN | | 8123627104 |
License history
| Date | File or call sign | Action |
|---|
| 2002-02-08 | WPMD583 | LITERM |
| 2001-10-01 | WPMD583 | AUDCAN |
| 2000-11-23 | WPMD583 | LICCNV |
| 1998-06-10 | WPMD583 | AUTHPR |
| 1998-06-10 | WPMD583 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1792362 | 2026-08-02 01:26:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMD583 | ULS 1792362 | 2026-08-02 01:26:42 |
| Status | T | ULS 1792362 | 2026-08-02 01:26:42 |
| Service | IG | ULS 1792362 | 2026-08-02 01:26:42 |
| Grant Date | 1998-06-10 | ULS 1792362 | 2026-08-02 01:26:42 |
| Expiration Date | 2003-06-10 | ULS 1792362 | 2026-08-02 01:26:42 |
| Cancellation Date | 2002-02-08 | ULS 1792362 | 2026-08-02 01:26:42 |