D ▁data , ▁and ▁the ▁individual ▁records ▁stand ▁alone ▁as ▁meaning ful ▁data , ▁with ▁no ▁references ▁to ▁other ▁records ▁or ▁to ▁an ▁overall ▁schema . ▁So ▁collections ▁of ▁G RI B ▁records ▁can ▁be ▁app ended ▁to ▁each ▁other ▁or ▁the ▁records ▁separated . ▁ ▁Each ▁G RI B ▁record ▁has ▁two ▁components ▁- ▁the ▁part ▁that ▁describes ▁the ▁record ▁( the ▁header ), ▁and ▁the ▁actual ▁binary ▁data ▁itself . ▁The ▁data ▁in ▁G RI B - 1 ▁are ▁typically ▁converted ▁to ▁integers ▁using ▁scale ▁and ▁offset , ▁and ▁then ▁bit - pack ed . ▁G RI B - 2 ▁also ▁has ▁the ▁possibility ▁of ▁compression . ▁ ▁G RI B ▁History ▁▁ ▁G RI B ▁su pers eded ▁the ▁Aer onaut ical ▁Data ▁Format ▁( AD F ). ▁ ▁The ▁World ▁Meteor ological ▁Organ ization ▁( W MO ) ▁Commission ▁for ▁Basic ▁Systems ▁( C BS ) ▁met ▁in ▁ 1 9 8 5 ▁to ▁create ▁the ▁G RI B ▁( GR Id ded ▁Binary ) ▁format . ▁The ▁Working ▁Group ▁on ▁Data ▁Management ▁( W G DM ) ▁in ▁February ▁ 1 9 9 4 , ▁after ▁major ▁changes , ▁approved ▁revision ▁ 1 ▁of ▁the ▁G RI B ▁format . ▁G RI B ▁Edition ▁ 2 ▁format ▁was ▁approved ▁in ▁ 2 0 0 3 ▁at ▁Gene va . ▁ ▁Problem s ▁with ▁G RI B ▁▁ ▁There ▁is ▁no ▁way ▁in ▁G RI B ▁to ▁describe ▁a ▁collection ▁of ▁G RI B ▁records ▁ ▁Each ▁record ▁is