Universal Licensing System
WPMB505
MARRIOTT ONTARIO AIRPORT
License details
| ULS identifier | 1791319 |
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| Call sign | WPMB505 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-05-13 |
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| Expiration | 2003-05-13 |
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| Cancellation | 2003-08-17 |
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| Frequency range | 452.225 - 457.225 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | ONTARIO, SAN BERNARDINO, CA |
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| Coordinates | 34.0663889, -117.6014444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:42 |
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Licensee
| Name | MARRIOTT ONTARIO AIRPORT |
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| Applicant type | C |
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| Location | ONTARIO, CA |
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| Address | 2200 E HOLT AVE, ONTARIO, CA, 91761 |
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| Phone | 9099755000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 452.22500000 | | | 25.000000 | 45.000000 | |
| 2 | 1 | MO | 452.22500000 | | | 25.000000 | | |
| 2 | 1 | MO | 457.22500000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.22500000 | | 20K0F3E |
| 2 | 1 | 452.22500000 | | 20K0F3E |
| 2 | 1 | 457.22500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 2200 E HOLT BLVD, ONTARIO, SAN BERNARDINO, CA | 34.06638889, -117.60144444 | 293.000 m | B | 9.000 m structure / 10.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 10.000 m | | | | 76.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2200 E HOLT AVE, ONTARIO, CA | | 9099755000 |
License history
| Date | File or call sign | Action |
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| 2003-08-17 | WPMB505 | LIEXP |
| 2003-02-19 | WPMB505 | LETRES |
| 2001-10-03 | WPMB505 | AUDOPR |
| 2000-11-23 | WPMB505 | LICCNV |
| 1998-05-13 | WPMB505 | LIISS |
| 1998-05-13 | WPMB505 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1791319 | 2026-08-02 01:26:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMB505 | ULS 1791319 | 2026-08-02 01:26:42 |
| Status | E | ULS 1791319 | 2026-08-02 01:26:42 |
| Service | IG | ULS 1791319 | 2026-08-02 01:26:42 |
| Grant Date | 1998-05-13 | ULS 1791319 | 2026-08-02 01:26:42 |
| Expiration Date | 2003-05-13 | ULS 1791319 | 2026-08-02 01:26:42 |
| Cancellation Date | 2003-08-17 | ULS 1791319 | 2026-08-02 01:26:42 |