Universal Licensing System
WIH743
CALIFORNIA INSTITUTE OF TECHNOLOGY
License details
| ULS identifier | 1644722 |
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| Call sign | WIH743 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1995-11-22 |
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| Expiration | 2001-01-02 |
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| Cancellation | 2001-03-04 |
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| Frequency range | 508.1125 - 511.1125 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | PASADENA, LOS ANGELES, CA |
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| Coordinates | 34.1413889, -118.1259167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:49 |
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Licensee
| Name | CALIFORNIA INSTITUTE OF TECHNOLOGY |
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| Applicant type | C |
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| FRN | 0001534759 |
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| Location | PASADENA, CA |
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| Address | PHYSICAL PLANT DEPT 2 83, PASADENA, CA, 91125 |
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| Phone | 8183566770 |
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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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| 2 | 1 | FB4 | 508.11250000 | | | 60.000000 | 95.000000 | |
| 3 | 1 | MO | 508.11250000 | | | 25.000000 | 50.000000 | |
| 1 | 1 | FX1 | 511.11250000 | | | 25.000000 | 100.000000 | |
| 3 | 1 | MO | 511.11250000 | | | 25.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 508.11250000 | | 20K0F3E |
| 3 | 1 | 508.11250000 | | 20K0F3E |
| 1 | 1 | 511.11250000 | | 20K0F3E |
| 3 | 1 | 511.11250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1201 E CALIFORNIA ST, PASADENA, LOS ANGELES, CA | 34.14138889, -118.12591667 | 234.000 m | | | N |
| 2 | T | MOUNT LUKENS, MONTROSE, LOS ANGELES, CA | 34.27222222, -118.24008333 | 1541.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | | | | 27.000 | |
| 1 | 2 | T | | 28.000 m | | | | 779.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1201 E CALIFORNIA ST, PASADENA, CA | | 8183566770 |
License history
| Date | File or call sign | Action |
|---|
| 2001-03-04 | WIH743 | LIEXP |
| 2000-11-23 | WIH743 | LICCNV |
| 2000-10-10 | WIH743 | LETRES |
| 1995-11-22 | WIH743 | LIREN |
| 1995-11-22 | WIH743 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1644722 | 2026-08-02 01:17:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIH743 | ULS 1644722 | 2026-08-02 01:17:49 |
| Status | E | ULS 1644722 | 2026-08-02 01:17:49 |
| Service | IG | ULS 1644722 | 2026-08-02 01:17:49 |
| Grant Date | 1995-11-22 | ULS 1644722 | 2026-08-02 01:17:49 |
| Expiration Date | 2001-01-02 | ULS 1644722 | 2026-08-02 01:17:49 |
| Cancellation Date | 2001-03-04 | ULS 1644722 | 2026-08-02 01:17:49 |