Universal Licensing System
WPKC741
SECURITY USA
License details
| ULS identifier | 1744331 |
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| Call sign | WPKC741 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-01-22 |
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| Expiration | 2002-01-22 |
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| Cancellation | 2002-05-05 |
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| Frequency range | 461.475 - 466.475 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | CONTRA COSTA, CA |
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| Coordinates | 37.9368611, -122.3577500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:59 |
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Licensee
| Name | SECURITY USA |
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| Applicant type | C |
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| Location | OAKLAND, CA |
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| Address | 3560 GRAND AVE SECOND FLR, OAKLAND, CA, 946102010 |
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| Phone | 5108392727 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 461.47500000 | | | 25.000000 | | |
| 1 | 1 | MO | 461.47500000 | | | 4.000000 | | |
| 1 | 1 | MO | 466.47500000 | | | 4.000000 | | |
| 1 | 1 | MO | 466.47500000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.47500000 | | 20K0F3E |
| 1 | 1 | 461.47500000 | | 20K0F3E |
| 1 | 1 | 466.47500000 | | 20K0F3E |
| 1 | 1 | 466.47500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CONTRA COSTA, CA | 37.93686111, -122.35775000 | | | | |
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 | 3560 GRAND AVE, OAKLAND, CA | | 5108392727 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-05 | WPKC741 | LIEXP |
| 2002-01-29 | WPKC741 | AUDCAN |
| 2001-10-29 | WPKC741 | LETRES |
| 2000-11-23 | WPKC741 | LICCNV |
| 1997-01-22 | WPKC741 | AUTHPR |
| 1997-01-22 | WPKC741 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1744331 | 2026-08-02 01:28:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKC741 | ULS 1744331 | 2026-08-02 01:28:59 |
| Status | E | ULS 1744331 | 2026-08-02 01:28:59 |
| Service | IG | ULS 1744331 | 2026-08-02 01:28:59 |
| Grant Date | 1997-01-22 | ULS 1744331 | 2026-08-02 01:28:59 |
| Expiration Date | 2002-01-22 | ULS 1744331 | 2026-08-02 01:28:59 |
| Cancellation Date | 2002-05-05 | ULS 1744331 | 2026-08-02 01:28:59 |