11 1 NOT ENOUGH GOOD SIGMA-0 AVAILABLE FOR WIND RETRIEVAL 22 2 POOR AZIMUTH DIVERSITY AMONG SIGMA-0 FOR WIND RETRIEVAL 33 3 ANY BEAM NOISE CONTENT ABOVE THRESHOLD 44 4 PRODUCT MONITORING NOT USED 55 5 PRODUCT MONITORING FLAG 66 6 KNMI QUALITY CONTROL FAILS 77 7 VARIATIONAL QUALITY CONTROL FAILS 88 8 SOME PORTION OF WIND VECTOR CELL IS OVER LAND 99 9 SOME PORTION OF WIND VECTOR CELL IS OVER ICE 1010 10 WIND RETRIEVAL NOT PERFORMED FOR WIND VECTOR CELL 1111 11 REPORTED WIND SPEED IS GREATER THAN 30 M/S 1212 12 REPORTED WIND SPEED IS LESS THAN OR EQUAL TO 3 M/S 1313 13 RAIN FLAG FOR THE WIND VECTOR CELL IS NOT USABLE 1414 14 RAIN FLAG ALGORITHM DETECTS RAIN 1515 15 NO METEOROLOGICAL BACKGROUND USED 1616 16 DATA ARE REDUNDANT 17