Universal Licensing System
WPKS918
GRADEX INC
License details
| ULS identifier | 1872733 |
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| Call sign | WPKS918 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-08-23 |
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| Expiration | 2022-06-26 |
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| Cancellation | 2022-08-27 |
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| Frequency range | 452 - 457 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | INDIANAPOLIS, MARION, IN |
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| Coordinates | 39.9244722, -86.2513889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:56 |
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Licensee
| Name | GRADEX INC |
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| Applicant type | C |
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| FRN | 0006682488 |
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| Location | INDIANAPOLIS, IN |
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| Address | 4901 ROBISON RD, INDIANAPOLIS, IN, 46268 |
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| Phone | 3175733970 |
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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 | 452.00000000 | | | 75.000000 | 80.000000 | |
| 2 | 1 | MO | 452.00000000 | | | 90.000000 | 90.000000 | |
| 2 | 1 | MO | 457.00000000 | | | 90.000000 | 90.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.00000000 | | 11K2F3E |
| 1 | 1 | 452.00000000 | | 20K0F3E |
| 2 | 1 | 452.00000000 | | 11K2F3E |
| 2 | 1 | 452.00000000 | | 20K0F3E |
| 2 | 1 | 457.00000000 | | 11K2F3E |
| 2 | 1 | 457.00000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4901 ROBISON RD, INDIANAPOLIS, MARION, IN | 39.92447222, -86.25138889 | 273.000 m | TOWER | 22.000 m structure / 28.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 28.000 m | | | | 37.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 4901 ROBISON RD, INDIANAPOLIS, IN | MARION | 3175733970 |
License history
| Date | File or call sign | Action |
|---|
| 2022-08-27 | WPKS918 | LIEXP |
| 2012-08-23 | WPKS918 | LIREN |
| 2012-06-18 | WPKS918 | ESCAPR |
| 2012-04-02 | WPKS918 | LETRES |
| 2002-05-18 | WPKS918 | LIREN |
| 2002-04-01 | WPKS918 | LETRES |
| 2002-03-13 | WPKS918 | LIAUA |
| 2001-10-16 | WPKS918 | AUDOPR |
| 2000-11-24 | WPKS918 | LICCNV |
| 1997-06-26 | WPKS918 | LIISS |
| 1997-06-26 | WPKS918 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1872733 | 2026-08-02 01:15:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKS918 | ULS 1872733 | 2026-08-02 01:15:56 |
| Status | E | ULS 1872733 | 2026-08-02 01:15:56 |
| Service | IG | ULS 1872733 | 2026-08-02 01:15:56 |
| Grant Date | 2012-08-23 | ULS 1872733 | 2026-08-02 01:15:56 |
| Expiration Date | 2022-06-26 | ULS 1872733 | 2026-08-02 01:15:56 |
| Cancellation Date | 2022-08-27 | ULS 1872733 | 2026-08-02 01:15:56 |