Universal Licensing System
WPJZ504
ANTIOCH UNIFIED SCHOOL DISTRICT
License details
| ULS identifier | 1742867 |
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| Call sign | WPJZ504 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-09-29 |
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| Expiration | 2011-12-20 |
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| Cancellation | 2012-02-25 |
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| Frequency range | 461.5125 - 468.5875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | CONTRA COSTA, CA |
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| Coordinates | 37.9676944, -121.7852222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:40 |
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Licensee
| Name | ANTIOCH UNIFIED SCHOOL DISTRICT |
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| Applicant type | G |
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| FRN | 0005559794 |
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| Location | ANTIOCH, CA |
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| Address | 4700 LONE TREE WAY, ANTIOCH, CA, 94509 |
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| Phone | 9257765555 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 461.51250000 | | | 2.000000 | | |
| 1 | 1 | MO | 463.58750000 | | | 2.000000 | | |
| 1 | 1 | MO | 463.93750000 | | | 2.000000 | | |
| 1 | 1 | MO | 464.53750000 | | | 2.000000 | | |
| 1 | 1 | MO | 468.58750000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.51250000 | | 20K0F3E |
| 1 | 1 | 463.58750000 | | 20K0F3E |
| 1 | 1 | 463.93750000 | | 20K0F3E |
| 1 | 1 | 464.53750000 | | 20K0F3E |
| 1 | 1 | 468.58750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CONTRA COSTA, CA | 37.96769444, -121.78522222 | | | | |
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 | 4700 LONE TREE WAY, ANTIOCH, CA | | 9257765555 |
License history
| Date | File or call sign | Action |
|---|
| 2012-02-25 | WPJZ504 | LIEXP |
| 2011-09-26 | WPJZ504 | LETRES |
| 2001-09-29 | WPJZ504 | LIAUA |
| 2001-09-29 | WPJZ504 | LIREN |
| 2001-09-24 | WPJZ504 | LETRES |
| 2001-08-27 | WPJZ504 | AUDOPR |
| 2000-11-23 | WPJZ504 | LICCNV |
| 1996-12-20 | WPJZ504 | LIISS |
| 1996-12-20 | WPJZ504 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1742867 | 2026-08-02 01:14:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPJZ504 | ULS 1742867 | 2026-08-02 01:14:40 |
| Status | E | ULS 1742867 | 2026-08-02 01:14:40 |
| Service | IG | ULS 1742867 | 2026-08-02 01:14:40 |
| Grant Date | 2001-09-29 | ULS 1742867 | 2026-08-02 01:14:40 |
| Expiration Date | 2011-12-20 | ULS 1742867 | 2026-08-02 01:14:40 |
| Cancellation Date | 2012-02-25 | ULS 1742867 | 2026-08-02 01:14:40 |