Universal Licensing System
WPRM404
GRAYCOR INDUSTRIAL CONSTRUCTORS INC
License details
| ULS identifier | 1833393 |
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| Call sign | WPRM404 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2005-10-07 |
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| Expiration | 2015-11-17 |
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| Cancellation | 2016-01-23 |
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| Frequency range | 463.925 - 468.925 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | MIDDLETOWN, BUTLER, OH |
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| Coordinates | 39.4828333, -84.3674444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:52 |
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Licensee
| Name | GRAYCOR INDUSTRIAL CONSTRUCTORS INC |
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| Applicant type | C |
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| FRN | 0006637854 |
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| Location | HOMEWOOD, IL |
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| Address | ONE GRAYCOR DRIVE, HOMEWOOD, IL, 60430 |
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| Phone | 7082060500 |
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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 | 463.92500000 | | | 45.000000 | 90.000000 | |
| 3 | 1 | MO | 463.92500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FX1 | 468.92500000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 468.92500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.92500000 | | 20K0F3E |
| 3 | 1 | 463.92500000 | | 20K0F3E |
| 2 | 1 | 468.92500000 | | 20K0F3E |
| 3 | 1 | 468.92500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | AK STEEL DOOR 600 A REAR CONTRACTORS GATE A, MIDDLETOWN, BUTLER, OH | 39.48283333, -84.36744444 | 226.000 m | B | 30.000 m structure / 32.000 m overall | N |
| 2 | T | BUTLER, OH | | | | | N |
| 3 | T | MIDDLETOWN, BUTLER, OH | 39.48283333, -84.36744444 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 32.000 m | | | | 16.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | OXFORD STATE RD, MIDDLETOWN, OH | BUTLER | 5137276814 |
License history
| Date | File or call sign | Action |
|---|
| 2016-01-23 | WPRM404 | LIEXP |
| 2015-08-24 | WPRM404 | LETRES |
| 2005-10-07 | WPRM404 | LIREN |
| 2005-10-07 | WPRM404 | LTSAPR |
| 2005-08-22 | WPRM404 | LETRES |
| 2003-02-03 | WPRM404 | LETCNS |
| 2002-05-06 | WPRM404 | LIMOD |
| 2002-03-06 | WPRM404 | LITIN |
| 2001-10-05 | WPRM404 | AUDOPR |
| 2000-11-23 | WPRM404 | LICCNV |
| 2000-11-17 | WPRM404 | AUTHPR |
| 2000-11-17 | WPRM404 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1833393 | 2026-08-02 01:15:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPRM404 | ULS 1833393 | 2026-08-02 01:15:52 |
| Status | E | ULS 1833393 | 2026-08-02 01:15:52 |
| Service | IG | ULS 1833393 | 2026-08-02 01:15:52 |
| Grant Date | 2005-10-07 | ULS 1833393 | 2026-08-02 01:15:52 |
| Expiration Date | 2015-11-17 | ULS 1833393 | 2026-08-02 01:15:52 |
| Cancellation Date | 2016-01-23 | ULS 1833393 | 2026-08-02 01:15:52 |