Universal Licensing System
WRX247
CHUMO CONSTRUCTION INC
License details
| ULS identifier | 1874235 |
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| Call sign | WRX247 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-09-09 |
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| Expiration | 2004-11-13 |
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| Cancellation | 2005-01-15 |
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| Frequency range | 451.9 - 456.9 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | CORONA, ORANGE, CA |
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| Coordinates | 33.7105833, -117.5342222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:09 |
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Licensee
| Name | CHUMO CONSTRUCTION INC |
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| Applicant type | C |
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| FRN | 0001519834 |
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| Location | BALDWIN PARK, CA |
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| Address | 14425 JOANBRIDGE ST, BALDWIN PARK, CA, 91706 |
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| Phone | 8189609502 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB4 | 451.90000000 | | | 250.000000 | 1250.000000 | |
| 3 | 1 | FB4 | 451.90000000 | | | 100.000000 | 500.000000 | |
| 4 | 1 | MO | 451.90000000 | | | 70.000000 | 350.000000 | |
| 5 | 1 | MO | 451.90000000 | | | 70.000000 | 350.000000 | |
| 1 | 1 | FX1 | 456.90000000 | | | 15.000000 | 150.000000 | |
| 4 | 1 | MO | 456.90000000 | | | 70.000000 | 350.000000 | |
| 5 | 1 | MO | 456.90000000 | | | 70.000000 | 350.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.90000000 | | 20K0F3E |
| 3 | 1 | 451.90000000 | | 20K0F3E |
| 4 | 1 | 451.90000000 | | 20K0F3E |
| 5 | 1 | 451.90000000 | | 20K0F3E |
| 1 | 1 | 456.90000000 | | 20K0F3E |
| 4 | 1 | 456.90000000 | | 20K0F3E |
| 5 | 1 | 456.90000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CA | | | | | |
| 2 | T | SANTIAGO PEAK, CORONA, ORANGE, CA | 33.71058333, -117.53422222 | 1734.000 m | | | N |
| 3 | T | MOUNT LUKENS, MONTROSE, LOS ANGELES, CA | 34.26777778, -118.23702778 | 1536.000 m | | | N |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 24.000 m | | | | | |
| 1 | 3 | T | | 20.000 m | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 14427 JOAN BRIDGE ST, BALDWIN PARK, CA | | 8189609502 |
License history
| Date | File or call sign | Action |
|---|
| 2005-01-15 | WRX247 | LIEXP |
| 2004-08-16 | WRX247 | LETRES |
| 2001-09-10 | WRX247 | AUDOPR |
| 2000-11-24 | WRX247 | LICCNV |
| 1999-09-09 | WRX247 | LIREN |
| 1999-09-09 | WRX247 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1874235 | 2026-08-02 01:11:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRX247 | ULS 1874235 | 2026-08-02 01:11:09 |
| Status | E | ULS 1874235 | 2026-08-02 01:11:09 |
| Service | IG | ULS 1874235 | 2026-08-02 01:11:09 |
| Grant Date | 1999-09-09 | ULS 1874235 | 2026-08-02 01:11:09 |
| Expiration Date | 2004-11-13 | ULS 1874235 | 2026-08-02 01:11:09 |
| Cancellation Date | 2005-01-15 | ULS 1874235 | 2026-08-02 01:11:09 |