Datastream : MWACR
Marine W-band (95 GHz) ARM Cloud Radar
Active Dates
2012.11.01 - 2013.01.08
Measurement Categories
Cloud Properties
Originating Instrument
Marine W-Band (95 GHz) ARM Cloud Radar (MWACR)
Measurements
Only measurements considered scientifically relevant are shown below by default.
Show all measurements
| Measurement | Units | Variable |
|---|---|---|
| Altitude above mean sea level | m | alt ( time ) |
| Base time in Epoch | seconds since 1970-1-1 0:00:00 0:00 | base_time |
| Receiver gain estimated from noise source measurements using Y-factor method | dB | gain ( time ) |
| GPS-determined velocity vectory heading angle | deg | gps_heading ( time ) |
| GPS timestamp | time | gps_timestamp ( time, gps_string_len ) |
| GPS-determined velocity | km/hour | gps_velocity ( time ) |
| Ship heave displacement along vertical axis, positive upward | m | heave ( time ) |
| Ship heave acceleration along vertical axis, positive upward | m/s^2 | heave_acceleration ( time ) |
| Ship heave velocity along vertical axis, positive upward | m/s | heave_velocity ( time ) |
| Range to center of measurement volume | meters | height ( height ) |
| Range to measurement volume | meters | heights ( heights ) |
| North latitude | degree_N | lat ( time ) |
| East longitude | degree_E | lon ( time ) |
| Mean Doppler velocity | meters per second | mean_doppler_velocity ( time, heights ) |
| Receiver noise figure estimated from noise source measurements using Y-factor method. | dB | noise_figure ( time ) |
| Total sky noise power prior to spectrum computation | mW | noise_power_sky ( time ) |
| Noise power spectral density in spectra when viewing antenna port | mW | noise_sky ( time ) |
| Ship pitch, axis starboard-to-port, positive is bow up | deg | pitch ( time ) |
| Polarization mode, 0=copol, 1=xpol | none | polarization ( time ) |
| Quality check results on field: Mean Doppler velocity | unitless | qc_mean_doppler_velocity ( time, heights ) |
| Quality check results on field: Equivalent reflectivity factor | unitless | qc_reflectivity ( time, heights ) |
| Quality check results on field: Spectrum width | unitless | qc_spectral_width ( time, heights ) |
| Quality check results on field: Time offset from midnight | unitless | qc_time ( time ) |
| Equivalent reflectivity factor | dBZ | reflectivity ( time, heights ) |
| Ship roll, axis along ship length, positive is port up | deg | roll ( time ) |
| Signal to noise ratio | dB | signal_to_noise_ratio ( time, height ) |
| Spectrum width | m/s | spectral_width ( time, heights ) |
| Ship surge displacement along ship length, positive forward. | m | surge ( time ) |
| Ship surge acceleration along ship length, positive forward | m/s^2 | surge_acceleration ( time ) |
| Ship surge velocity along ship length, positive forward. | m/s | surge_velocity ( time ) |
| ship sway, starboard-to-port displacement, positive to port | m | sway ( time ) |
| Ship sway acceleration starboard-to-port, positive to port | m/s^2 | sway_acceleration ( time ) |
| Ship sway velocity, starboard-to-port displacement, positive to port | m/s | sway_velocity ( time ) |
| Time offset from midnight | time ( time ) | |
| Time offset from base_time | time_offset ( time ) | |
| Ship yaw, axis vertical, positive is clockwise rotation | deg | yaw ( time ) |
Locations
- ARM Mobile Facility (MAG)
- Los Angeles, CA to Honolulu, HI - container ship Horizon Spirit (M1)
