Universal Licensing System
WPPD844
CRYSTAL SMR INC
License details
| ULS identifier | 1759792 |
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| Call sign | WPPD844 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-11-03 |
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| Expiration | 2004-11-03 |
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| Cancellation | 2005-01-08 |
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| Frequency range | 483.9625 - 486.9625 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | OAKLAND, ALAMEDA, CA |
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| Coordinates | 37.8532500, -122.2094167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:29:08 |
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Licensee
| Name | CRYSTAL SMR INC |
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| Applicant type | C |
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| Location | SAN LEANDRO, CA |
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| Address | 1601 NEPTUNE DR, SAN LEANDRO, CA, 94577 |
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| Phone | 5108959500 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 483.96250000 | | | 90.000000 | 413.000000 | |
| 2 | 1 | MO | 486.96250000 | | | 25.000000 | 63.000000 | |
| 3 | 1 | FX1T | 486.96250000 | | | 25.000000 | 63.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 483.96250000 | | 20K0F3E |
| 2 | 1 | 486.96250000 | | 20K0F3E |
| 3 | 1 | 486.96250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GRIZZLY PEAK, OAKLAND, ALAMEDA, CA | 37.85325000, -122.20941667 | 444.000 m | POLE | 42.000 m structure / 49.000 m overall | N |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 49.000 m | | | | 354.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1601 NEPTUNE DR, SAN LEANDRO, CA | | 5108959500 |
License history
| Date | File or call sign | Action |
|---|
| 2005-01-08 | WPPD844 | LIEXP |
| 2004-08-09 | WPPD844 | LETRES |
| 2002-02-25 | WPPD844 | AUDOPR |
| 2000-11-23 | WPPD844 | LICCNV |
| 1999-11-03 | WPPD844 | AUTHPR |
| 1999-11-03 | WPPD844 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1759792 | 2026-08-02 01:29:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPD844 | ULS 1759792 | 2026-08-02 01:29:08 |
| Status | E | ULS 1759792 | 2026-08-02 01:29:08 |
| Service | IG | ULS 1759792 | 2026-08-02 01:29:08 |
| Grant Date | 1999-11-03 | ULS 1759792 | 2026-08-02 01:29:08 |
| Expiration Date | 2004-11-03 | ULS 1759792 | 2026-08-02 01:29:08 |
| Cancellation Date | 2005-01-08 | ULS 1759792 | 2026-08-02 01:29:08 |