Universal Licensing System
WPKZ393
SILICON GRAPHICS COMPUTER SYSTEMS
License details
| ULS identifier | 1753587 |
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| Call sign | WPKZ393 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-10-16 |
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| Expiration | 2002-10-16 |
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| Cancellation | 2003-01-19 |
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| Frequency range | 464.9375 - 469.9375 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | SANTA CLARA, CA |
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| Coordinates | 37.4221667, -122.0760833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:29:05 |
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Licensee
| Name | SILICON GRAPHICS COMPUTER SYSTEMS |
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| Applicant type | C |
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| Location | MOUNTAIN VIEW, CA |
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| Address | 2011 N SHORELINE BLVD, MOUNTAIN VIEW, CA, 940431389 |
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| Phone | 4159601980 |
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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 | MOC | 464.93750000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MOC | 469.93750000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.93750000 | | 20K0F3E |
| 1 | 1 | 469.93750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | SANTA CLARA, CA | 37.42216667, -122.07608333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2011 N SHORELINE BLVD, MOUNTAIN VIEW, CA | | 4159601980 |
License history
| Date | File or call sign | Action |
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| 2003-01-19 | WPKZ393 | LIEXP |
| 2002-07-22 | WPKZ393 | LETRES |
| 2002-01-10 | WPKZ393 | AUDCAN |
| 2000-11-23 | WPKZ393 | LICCNV |
| 1997-10-17 | WPKZ393 | AUTHPR |
| 1997-10-16 | WPKZ393 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1753587 | 2026-08-02 01:29:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKZ393 | ULS 1753587 | 2026-08-02 01:29:05 |
| Status | E | ULS 1753587 | 2026-08-02 01:29:05 |
| Service | IG | ULS 1753587 | 2026-08-02 01:29:05 |
| Grant Date | 1997-10-16 | ULS 1753587 | 2026-08-02 01:29:05 |
| Expiration Date | 2002-10-16 | ULS 1753587 | 2026-08-02 01:29:05 |
| Cancellation Date | 2003-01-19 | ULS 1753587 | 2026-08-02 01:29:05 |