Universal Licensing System
WPKX945
STERLING SYSTEMS LIMITED DBA ALL SECURITY MONITORING SERVICES
License details
| ULS identifier | 1753176 |
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| Call sign | WPKX945 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-09-22 |
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| Expiration | 2002-09-22 |
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| Cancellation | 2003-01-12 |
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| Frequency range | 465.9375 MHz |
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| Locations | 1 |
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| Representative location | DUPAGE, IL |
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| Coordinates | 42.0144722, -87.9086667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:19 |
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Licensee
| Name | STERLING SYSTEMS LIMITED DBA ALL SECURITY MONITORING SERVICES |
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| Applicant type | C |
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| FRN | 0002843464 |
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| Location | CHICAGO, IL |
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| Address | CHICAGO, IL, 60657 |
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| Phone | 7732485580 |
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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 | MO | 465.93750000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 465.93750000 | | 16K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | DUPAGE, IL | 42.01447222, -87.90866667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | | | 7732485580 |
License history
| Date | File or call sign | Action |
|---|
| 2003-01-12 | WPKX945 | LIEXP |
| 2002-07-01 | WPKX945 | LETRES |
| 2002-04-29 | WPKX945 | AUDOPR |
| 2000-11-23 | WPKX945 | LICCNV |
| 1997-09-22 | WPKX945 | AUTHPR |
| 1997-09-22 | WPKX945 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1753176 | 2026-08-02 01:11:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKX945 | ULS 1753176 | 2026-08-02 01:11:19 |
| Status | E | ULS 1753176 | 2026-08-02 01:11:19 |
| Service | IG | ULS 1753176 | 2026-08-02 01:11:19 |
| Grant Date | 1997-09-22 | ULS 1753176 | 2026-08-02 01:11:19 |
| Expiration Date | 2002-09-22 | ULS 1753176 | 2026-08-02 01:11:19 |
| Cancellation Date | 2003-01-12 | ULS 1753176 | 2026-08-02 01:11:19 |