Universal Licensing System
WNTZ621
SILICON GRAPHICS INC
License details
| ULS identifier | 1033109 |
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| Call sign | WNTZ621 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 1995-07-18 |
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| Expiration | 2000-07-18 |
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| Cancellation | 2000-10-29 |
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| Frequency range | 22125 - 22325 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | MOUNTAIN VIEW, SANTA CLARA, CA |
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| Coordinates | 37.4154722, -122.0696667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:44 |
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Licensee
| Name | SILICON GRAPHICS INC |
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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, 940397311 |
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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 | FXO | 22125.00000000 | | | | | |
| 1 | 2 | FXO | 22325.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 22125.00000000 | | 25M0F8W |
| 1 | 2 | 22325.00000000 | | 25M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1555 PLYMOTH ST BLDG 4, MOUNTAIN VIEW, SANTA CLARA, CA | 37.41547222, -122.06966667 | 6.100 m | | 10.700 m structure / 10.700 m overall | |
| 2 | R | | 37.42213889, -122.07411111 | 3.000 m | | | |
| 3 | R | | 37.42213889, -122.07411111 | 3.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 33.0000 | 331.9000 | | |
| 1 | 2 | R | | | | 33.0000 | | | |
| 1 | 3 | R | | | | 40.0000 | | | |
| 2 | 1 | T | | | V | 40.0000 | 331.9000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-10-29 | WNTZ621 | LIEXP |
| 2000-04-22 | WNTZ621 | LETRES |
| 1999-08-14 | WNTZ621 | LICCNV |
| 1995-06-30 | WNTZ621 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1033109 | 2026-08-02 02:47:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNTZ621 | ULS 1033109 | 2026-08-02 02:47:44 |
| Status | E | ULS 1033109 | 2026-08-02 02:47:44 |
| Service | MG | ULS 1033109 | 2026-08-02 02:47:44 |
| Grant Date | 1995-07-18 | ULS 1033109 | 2026-08-02 02:47:44 |
| Expiration Date | 2000-07-18 | ULS 1033109 | 2026-08-02 02:47:44 |
| Cancellation Date | 2000-10-29 | ULS 1033109 | 2026-08-02 02:47:44 |