Universal Licensing System
WPZL253
Los Angeles County Metropolitan Transporation Authority
License details
| ULS identifier | 2581756 |
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| Call sign | WPZL253 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-11-22 |
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| Expiration | 2034-02-04 |
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| Frequency range | 507.3625 - 510.3625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CORONA, RIVERSIDE, CA |
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| Coordinates | 33.8500000, -117.6544444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:13 |
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Licensee
| Name | Los Angeles County Metropolitan Transporation Authority |
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| Applicant type | G |
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| FRN | 0001531201 |
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| Location | Los Angeles, CA |
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| Address | One Gateway Plaza, Los Angeles, CA, 90012 |
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| Phone | 2136176264 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 507.36250000 | | | 100.000000 | 300.000000 | |
| 2 | 1 | MO | 507.36250000 | | | 60.000000 | 100.000000 | |
| 2 | 1 | MO | 510.36250000 | | | 60.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 507.36250000 | | 20K0F3E |
| 1 | 1 | 507.36250000 | | 20K0F1D |
| 1 | 1 | 507.36250000 | | 11K0F3E |
| 2 | 1 | 507.36250000 | | 20K0F3E |
| 2 | 1 | 507.36250000 | | 11K0F3E |
| 2 | 1 | 507.36250000 | | 20K0F1D |
| 2 | 1 | 510.36250000 | | 20K0F3E |
| 2 | 1 | 510.36250000 | | 11K0F3E |
| 2 | 1 | 510.36250000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SIERRA PEAK, N OF FWY 91-2 OFF SKYLINE DR, CORONA, RIVERSIDE, CA | 33.85000000, -117.65444444 | 920.400 m | TOWER | 36.400 m structure / 41.500 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | | | 32.900 m | | 13.1000 | 260.0000 | 587.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | One Gateway Plaza, Los Angeles, CA | LOS ANGELES | 2139223401 |
License history
| Date | File or call sign | Action |
|---|
| 2023-11-22 | WPZL253 | LIREN |
| 2023-11-13 | WPZL253 | LETRES |
| 2013-11-14 | WPZL253 | LIREN |
| 2013-11-11 | WPZL253 | LETRES |
| 2013-11-06 | WPZL253 | ESURNW |
| 2011-11-30 | WPZL253 | LTSAPR |
| 2011-11-30 | WPZL253 | LIAUA |
| 2011-11-29 | WPZL253 | EFUAPR |
| 2011-11-29 | WPZL253 | ESUAPR |
| 2009-05-07 | WPZL253 | LIMOD |
| 2004-11-08 | WPZL253 | LETCNS |
| 2004-02-04 | WPZL253 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2581756 | 2026-08-02 01:13:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPZL253 | ULS 2581756 | 2026-08-02 01:13:13 |
| Status | A | ULS 2581756 | 2026-08-02 01:13:13 |
| Service | IG | ULS 2581756 | 2026-08-02 01:13:13 |
| Grant Date | 2023-11-22 | ULS 2581756 | 2026-08-02 01:13:13 |
| Expiration Date | 2034-02-04 | ULS 2581756 | 2026-08-02 01:13:13 |