# ECA_CPR_ECO_2A

## Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of `ECA_CPR_ECO_2A` data.

field name | type | dimensions | unit | description
--- | --- | --- | --- | ---
datetime | double | {time} | [seconds since 2000-01-01] | UTC time
latitude | double | {time} | [degree_north] | latitude
longitude | double | {time} | [degree_east] | longitude
altitude | double | {time, vertical} | [m] | altitude
orbit_index | int32 |  |  | absolute orbit number
doppler_velocity | double | {time, vertical} | [m/s] | doppler velocity 10km
doppler_velocity_validity | int32 | {time, vertical} |  | quality flag 10km
radar_reflectivity_factor | double | {time, vertical} | [mm6/m3] | radar reflectivity 10km
index | int32 | {time} |  | zero-based index of the sample within the source product

## Ingestion options

The table below lists the available ingestion options for `ECA_CPR_ECO_2A` products.

option name | legal values | description
--- | --- | ---
bias_corrected | true | whether to ingest the bias corrected data: false (default), true (bias_corrected=true)

## Mapping description

The table below details where and how each variable was retrieved from the input product.

field name | mapping description
--- | ---
datetime | path | /ScienceData/Geo/time
latitude | path | /ScienceData/Geo/latitude
longitude | path | /ScienceData/Geo/longitude
altitude | path | /ScienceData/Geo/bin_height
description | the vertical grid is inverted to make it ascending
orbit_index | path | /HeaderData/VariableProductHeader/MainProductHeader/orbitNumber
doppler_velocity | condition | bias_corrected unset
path | /ScienceData/Data/integrated_doppler_velocity_10km
description | the vertical grid is inverted to make it ascending
condition | bias_corrected=true
path | /ScienceData/Data/integrated_doppler_velocity_10km_bias_corr
description | the vertical grid is inverted to make it ascending
doppler_velocity_validity | condition | bias_corrected unset
path | /ScienceData/Data/doppler_velocity_quality_flag_10km
description | the vertical grid is inverted to make it ascending
condition | bias_corrected=true
path | /ScienceData/Data/doppler_velocity_quality_flag_10km_bias_corr
description | the vertical grid is inverted to make it ascending
radar_reflectivity_factor | path | /ScienceData/Data/integrated_radar_reflectivity_10km
description | the vertical grid is inverted to make it ascending