Universal Licensing System
WPMS724
CERTIFIED SECURITY
License details
| ULS identifier | 1800173 |
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| Call sign | WPMS724 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-12-02 |
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| Expiration | 2003-12-02 |
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| Cancellation | 2004-02-01 |
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| Frequency range | 451.4 - 456.4 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | RIVER GROVE, COOK, IL |
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| Coordinates | 41.8789167, -87.6361667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:48 |
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Licensee
| Name | CERTIFIED SECURITY |
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| Applicant type | C |
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| Location | RIVER GROVE, IL |
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| Address | 2720 N THATCHER, RIVER GROVE, IL, 60171 |
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| Phone | 7084569700 |
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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 | 451.40000000 | | | 100.000000 | 400.000000 | |
| 2 | 1 | MO | 451.40000000 | | | 100.000000 | | |
| 1 | 1 | FX1 | 456.40000000 | | | 100.000000 | 400.000000 | |
| 2 | 1 | MO | 456.40000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.40000000 | | 11K2F3E |
| 2 | 1 | 451.40000000 | | 11K2F3E |
| 1 | 1 | 456.40000000 | | 11K2F3E |
| 2 | 1 | 456.40000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2720 N THATCHER, RIVER GROVE, COOK, IL | 41.87891667, -87.63616667 | 55.000 m | B | 14.000 m structure / 18.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | -106.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2720 NORTH THATCHER, RIVER GROVE, IL | | 7084569700 |
License history
| Date | File or call sign | Action |
|---|
| 2004-02-01 | WPMS724 | LIEXP |
| 2003-09-04 | WPMS724 | LETRES |
| 2002-04-26 | WPMS724 | LETAUS |
| 2000-11-23 | WPMS724 | LICCNV |
| 1998-12-02 | WPMS724 | LIISS |
| 1998-12-02 | WPMS724 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1800173 | 2026-08-02 01:26:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMS724 | ULS 1800173 | 2026-08-02 01:26:48 |
| Status | E | ULS 1800173 | 2026-08-02 01:26:48 |
| Service | IG | ULS 1800173 | 2026-08-02 01:26:48 |
| Grant Date | 1998-12-02 | ULS 1800173 | 2026-08-02 01:26:48 |
| Expiration Date | 2003-12-02 | ULS 1800173 | 2026-08-02 01:26:48 |
| Cancellation Date | 2004-02-01 | ULS 1800173 | 2026-08-02 01:26:48 |