Universal Licensing System
WPPX581
RUDOLPH SLETTEN INC
License details
| ULS identifier | 1821527 |
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| Call sign | WPPX581 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 2000-03-01 |
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| Expiration | 2005-03-01 |
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| Cancellation | 2004-06-10 |
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| Frequency range | 451.95 - 456.95 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | STANFORD, SANTA CLARA, CA |
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| Coordinates | 37.4341111, -122.1749722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:02 |
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Licensee
| Name | RUDOLPH SLETTEN INC |
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| Applicant type | C |
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| Location | STANFORD, CA |
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| Address | 300 PASTEUR DRIVE ROOM HG021, STANFORD, CA, 943052203 |
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| Phone | 6507237485 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.95000000 | | | 25.000000 | 77.000000 | |
| 3 | 1 | MO | 451.95000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | FX1 | 456.95000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 456.95000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.95000000 | | 20K0F3E |
| 3 | 1 | 451.95000000 | | 20K0F3E |
| 2 | 1 | 456.95000000 | | 20K0F3E |
| 3 | 1 | 456.95000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 300 PASTEUR DR, STANFORD, SANTA CLARA, CA | 37.43411111, -122.17497222 | 25.000 m | B | 18.000 m structure / 15.000 m overall | N |
| 2 | T | CA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | -78.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | | | 6507237485 |
License history
| Date | File or call sign | Action |
|---|
| 2004-06-23 | WPPX581 | PNACT |
| 2004-06-10 | WPPX581 | LITERM |
| 2004-06-10 | WPPX581 | LETACS |
| 2000-11-23 | WPPX581 | LICCNV |
| 2000-03-02 | WPPX581 | AUTHPR |
| 2000-03-01 | WPPX581 | LIISS |
| WPPX581 | AUDCAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1821527 | 2026-08-02 01:27:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPX581 | ULS 1821527 | 2026-08-02 01:27:02 |
| Status | T | ULS 1821527 | 2026-08-02 01:27:02 |
| Service | IG | ULS 1821527 | 2026-08-02 01:27:02 |
| Grant Date | 2000-03-01 | ULS 1821527 | 2026-08-02 01:27:02 |
| Expiration Date | 2005-03-01 | ULS 1821527 | 2026-08-02 01:27:02 |
| Cancellation Date | 2004-06-10 | ULS 1821527 | 2026-08-02 01:27:02 |