Universal Licensing System
WRTL442
CalPortland - Oro Grande Cement/Aggregate Plant
License details
| ULS identifier | 4629127 |
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| Call sign | WRTL442 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-06-30 |
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| Expiration | 2032-06-30 |
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| Frequency range | 451.7375 - 467.1875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | ORO GRANDE, SAN BERNARDINO, CA |
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| Coordinates | 34.6067778, -117.3360556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:50 |
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Licensee
| Name | CalPortland - Oro Grande Cement/Aggregate Plant |
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| Applicant type | C |
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| FRN | 0032062317 |
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| Location | ORO GRANDE, CA |
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| Address | 19409 National Trails Highway, ORO GRANDE, CA, 92368 |
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| Phone | 7602455321 |
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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 | MO | 451.73750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 452.98750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 457.98750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 462.18750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 467.18750000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.73750000 | | 11K2F3E |
| 1 | 1 | 451.73750000 | | 11K2F1D |
| 1 | 1 | 451.73750000 | | 11K2F2D |
| 1 | 1 | 452.98750000 | | 11K2F3E |
| 1 | 1 | 452.98750000 | | 11K2F2D |
| 1 | 1 | 452.98750000 | | 11K2F1D |
| 1 | 1 | 457.98750000 | | 11K2F2D |
| 1 | 1 | 457.98750000 | | 11K2F3E |
| 1 | 1 | 457.98750000 | | 11K2F1D |
| 1 | 1 | 462.18750000 | | 11K2F1D |
| 1 | 1 | 462.18750000 | | 11K2F3E |
| 1 | 1 | 462.18750000 | | 11K2F2D |
| 1 | 1 | 467.18750000 | | 11K2F3E |
| 1 | 1 | 467.18750000 | | 11K2F1D |
| 1 | 1 | 467.18750000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ORO GRANDE, SAN BERNARDINO, CA | 34.60677778, -117.33605556 | | | | |
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 | 19409 National Trails Highway, Oro Grande, CA | SAN BERNARDINO | 7602455321 |
License history
| Date | File or call sign | Action |
|---|
| 2022-06-30 | WRTL442 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4629127 | 2026-08-02 01:23:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTL442 | ULS 4629127 | 2026-08-02 01:23:50 |
| Status | A | ULS 4629127 | 2026-08-02 01:23:50 |
| Service | IG | ULS 4629127 | 2026-08-02 01:23:50 |
| Grant Date | 2022-06-30 | ULS 4629127 | 2026-08-02 01:23:50 |
| Expiration Date | 2032-06-30 | ULS 4629127 | 2026-08-02 01:23:50 |