eccodes/definitions/bufr/rdb_key.def

unsigned[1]   rdbType : dump; 
unsigned[1]   rdbSubtype: dump;

alias ls.rdbType=rdbType;
alias ls.rdbSubtype=rdbSubtype;

byte[13]      keyData : hidden; 

meta localYear   bits(keyData,0,12) : long_type ;
meta localMonth  bits(keyData,12,4) : long_type;
meta localDay    bits(keyData,16,6) : long_type;
meta localHour   bits(keyData,22,5) : long_type;
meta localMinute bits(keyData,27,6) : long_type;
meta localSecond bits(keyData,33,6) : long_type;
meta spare  bits(keyData,39,1); # 40 bits = 10 bytes

meta ls.typicalDate sprintf("%.4d%.2d%.2d",localYear,localMonth,localDay) : dump;
meta ls.typicalTime sprintf("%.2d%.2d%.2d",localHour,localMinute,localSecond) :dump;

# isSatellite and other stuff moved to section 3
ascii[8]    keyMore : hidden; 
byte[9]    keySat : hidden; 

# 16 bytes
unsigned[2] messageLength;
alias rdb.messageLength=messageLength;

byte[3] rdbtime;
alias ls.rdbtimeYear = localYear;
alias ls.rdbtimeMonth = localMonth;
meta rdbtimeDay     bits(rdbtime,0,6) : dump,long_type;
meta rdbtimeHour    bits(rdbtime,6,5) : dump,long_type;
meta rdbtimeMinute  bits(rdbtime,11,6) : dump,long_type;
meta rdbtimeSecond  bits(rdbtime,17,6) : dump,long_type;

byte[3] rectime;
meta rectimeDay     bits(rectime,0,6) : dump,long_type;
meta rectimeHour    bits(rectime,6,5) : dump,long_type;
meta rectimeMinute  bits(rectime,11,6) : dump,long_type;
meta rectimeSecond  bits(rectime,17,6) : dump,long_type;

byte[1] corr1Data;
meta correction1     bits(corr1Data,0,6) : dump,long_type;
meta correction1Part bits(corr1Data,6,1) : dump,long_type;

byte[1] corr2Data;
meta correction2     bits(corr2Data,0,6) : dump,long_type;
meta correction2Part bits(corr2Data,6,1) : dump,long_type;

byte[1] corr3Data;
meta correction3     bits(corr3Data,0,6) : dump,long_type;
meta correction3Part bits(corr3Data,6,1) : dump,long_type;

byte[1] corr4Data;
meta correction4     bits(corr4Data,0,6) : dump,long_type;
meta correction4Part bits(corr4Data,6,1) : dump,long_type;

unsigned[1] qualityControl : dump,long_type;
alias qualityControl=qualityControl;
unsigned[3] spare;