TY - ECHAP
AU - ECMWF
AB - <p>
  Chapter 1 Overview : The observation world<br />Chapter 2 Preparation of observations<br />Chapter 3 Observation operators<br />Chapter 4 Screening<br />Chapter 5 Deprecated areas<br />Chapter 6 Tables, codes and flags</p>

BT - IFS Documentation CY47R3
DA - 10/2021
DO - 10.21957/ycow5yjr1
LA - eng
M1 - 1
N2 - <p>
  Chapter 1 Overview : The observation world<br />Chapter 2 Preparation of observations<br />Chapter 3 Observation operators<br />Chapter 4 Screening<br />Chapter 5 Deprecated areas<br />Chapter 6 Tables, codes and flags</p>

PB - ECMWF
PY - 2021
T2 - IFS Documentation CY47R3
T3 - IFS Documentation
TI - IFS Documentation CY47R3 - Part I: Observations
UR - https://www.ecmwf.int/node/20195
ER -