Universal Licensing System
WPKJ398
CONTECH CONSTRUCTION PRODUCTS INC
License details
| ULS identifier | 1908795 |
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| Call sign | WPKJ398 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-04-02 |
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| Expiration | 2022-03-11 |
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| Cancellation | 2022-05-14 |
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| Frequency range | 451.875 - 462.425 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | SPRINGFIELD, SANGAMON, IL |
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| Coordinates | 39.7559167, -89.6384444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:48 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | FB2 | 451.87500000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | MO | 451.87500000 | | | 5.000000 | 5.000000 | |
| 5 | 1 | MO | 456.87500000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB | 462.42500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 462.42500000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | FBT | 462.42500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 451.87500000 | | 11K2F3E |
| 5 | 1 | 451.87500000 | | 11K2F3E |
| 5 | 1 | 456.87500000 | | 11K2F3E |
| 1 | 1 | 462.42500000 | | 11K2F3E |
| 2 | 1 | 462.42500000 | | 11K2F3E |
| 3 | 1 | 462.42500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1110 STEVENSON DR, SPRINGFIELD, SANGAMON, IL | 39.75755556, -89.63122222 | 180.000 m | B | 8.000 m structure / 9.000 m overall | N |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
| 4 | T | 1110 STEVENSON DR, SPRINGFIELD, SANGAMON, IL | 39.75591667, -89.63844444 | 182.000 m | SILO | 44.100 m structure / 45.700 m overall | N |
| 5 | T | SANGAMON, IL | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | 14.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 45.700 m | | | | 57.000 | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1110 STEVENSON DR, SPRINGFIELD, IL | SANGAMON | 2175295461 |
License history
| Date | File or call sign | Action |
|---|
| 2022-05-14 | WPKJ398 | LIEXP |
| 2021-12-13 | WPKJ398 | LETRES |
| 2017-11-02 | WPKJ398 | LIMOD |
| 2012-04-02 | WPKJ398 | LIREN |
| 2012-02-22 | WPKJ398 | LTSAPR |
| 2011-12-19 | WPKJ398 | LETRES |
| 2002-05-03 | WPKJ398 | AUDOPR |
| 2002-03-09 | WPKJ398 | LIREN |
| 2001-12-17 | WPKJ398 | LETRES |
| 2000-11-24 | WPKJ398 | LICCNV |
| 1997-03-11 | WPKJ398 | LIISS |
| 1997-03-11 | WPKJ398 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1908795 | 2026-08-02 01:12:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKJ398 | ULS 1908795 | 2026-08-02 01:12:48 |
| Status | E | ULS 1908795 | 2026-08-02 01:12:48 |
| Service | IG | ULS 1908795 | 2026-08-02 01:12:48 |
| Grant Date | 2012-04-02 | ULS 1908795 | 2026-08-02 01:12:48 |
| Expiration Date | 2022-03-11 | ULS 1908795 | 2026-08-02 01:12:48 |
| Cancellation Date | 2022-05-14 | ULS 1908795 | 2026-08-02 01:12:48 |