Universal Licensing System
WPKL454
APEX WIRELESS INC
License details
| ULS identifier | 1748258 |
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| Call sign | WPKL454 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-04-02 |
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| Expiration | 2002-04-02 |
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| Cancellation | 2002-06-02 |
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| Frequency range | 461.55 - 469.95 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8815833, -121.9191389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:02 |
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Licensee
| Name | APEX WIRELESS INC |
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| Applicant type | P |
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| FRN | 0005749064 |
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| Location | MARTINEZ, CA |
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| Address | 5011 BLUM RD #6, MARTINEZ, CA, 94553 |
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| Phone | 5104395340 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 461.55000000 | | | 100.000000 | 320.000000 | |
| 2 | 1 | MO | 461.55000000 | | | 50.000000 | 100.000000 | |
| 1 | 1 | FB6 | 464.95000000 | | | 100.000000 | 320.000000 | |
| 2 | 1 | MO | 464.95000000 | | | 50.000000 | 100.000000 | |
| 2 | 1 | MO | 466.55000000 | | | 50.000000 | 100.000000 | |
| 2 | 1 | MO | 469.95000000 | | | 50.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.55000000 | | 20K0F3E |
| 2 | 1 | 461.55000000 | | 20K0F3E |
| 1 | 1 | 464.95000000 | | 20K0F3E |
| 2 | 1 | 464.95000000 | | 20K0F3E |
| 2 | 1 | 466.55000000 | | 20K0F3E |
| 2 | 1 | 469.95000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT DIABLO STATE PARK 9 MI E, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.000 m | TOWER | 87.000 m structure / 69.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 86.000 m | | | | 858.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 5011 BLUM RD #6, MARTINEZ, CA | | 9253708427 |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-02 | WPKL454 | LIEXP |
| 2002-01-07 | WPKL454 | LETRES |
| 2001-12-03 | WPKL454 | LETAUS |
| 2000-11-23 | WPKL454 | LICCNV |
| 1999-02-22 | WPKL454 | LIMOD |
| 1999-02-22 | WPKL454 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1748258 | 2026-08-02 01:14:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKL454 | ULS 1748258 | 2026-08-02 01:14:02 |
| Status | E | ULS 1748258 | 2026-08-02 01:14:02 |
| Service | IG | ULS 1748258 | 2026-08-02 01:14:02 |
| Grant Date | 1997-04-02 | ULS 1748258 | 2026-08-02 01:14:02 |
| Expiration Date | 2002-04-02 | ULS 1748258 | 2026-08-02 01:14:02 |
| Cancellation Date | 2002-06-02 | ULS 1748258 | 2026-08-02 01:14:02 |