| Subject: | TWP/DL/C3 - Fault in RF attenuator |
| DataStreams: | twpdlC3.00, twpdlppiC3.b1, twpdlppiC3.a0, twpdlfptC3.a0, twpdlcal1C3.b1, twpdlcal1C3.a0,
twpdlcal2C3.b1, twpdlfptC3.b1, twpdlcal2C3.a0
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| Description: | The instrument was shipped to the vendor (Halo Photonics) for repair. The root cause of
the problem was traced to an intermittent fault in an RF attenuator in the transmitter. The
RF attenuator was replaced.
In addition to the repair, several upgrades were performed. These included the
installation of a new PC with Win7, new control software, and the installation of a tip-tilt sensor. |
| Suggestions: | Do not use data |
| Measurements: | twpdlcal2C3.a0: - Radial velocity(radial_velocity)
- Beam azimuth relative to Lidar home point(relative_azimuth)
- Intensity (signal to noise ratio + 1)(intensity)
- Attenuated backscatter(attenuated_backscatter)
more
twpdlcal2C3.b1: - Attenuated backscatter(attenuated_backscatter)
- Intensity (signal to noise ratio + 1)(intensity)
- Radial velocity(radial_velocity)
more
twpdlfptC3.a0: - Radial velocity(radial_velocity)
- Attenuated backscatter(attenuated_backscatter)
- Intensity (signal to noise ratio + 1)(intensity)
more
twpdlC3.00: - (Raw data stream - documentation not supported)
more
twpdlfptC3.b1: - Radial velocity(radial_velocity)
- Attenuated backscatter(attenuated_backscatter)
- Intensity (signal to noise ratio + 1)(intensity)
more
twpdlcal1C3.a0: - Attenuated backscatter(attenuated_backscatter)
- Intensity (signal to noise ratio + 1)(intensity)
- Radial velocity(radial_velocity)
more
twpdlcal1C3.b1: - Radial velocity(radial_velocity)
- Intensity (signal to noise ratio + 1)(intensity)
- Attenuated backscatter(attenuated_backscatter)
more
twpdlppiC3.b1: - Attenuated backscatter(attenuated_backscatter)
- Intensity (signal to noise ratio + 1)(intensity)
- Radial velocity(radial_velocity)
more
twpdlppiC3.a0: - Radial velocity(radial_velocity)
- Attenuated backscatter(attenuated_backscatter)
- Intensity (signal to noise ratio + 1)(intensity)
more
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