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( . l-~ ." ~ having human interH.ntion. They ~f't up a compulN system to make the call~. collect the data. and put it in a database. In the end thp:" Rctually sent this in- formation out to the Corps and otht-f oflices to USl'. In all the..e systems there is quite II bit of sharing of information lx-tween the major federal agencies that are involved. The last "ySlem, which I will talk about in a little more detail. i.. thf' satellite data colh.'<.,tiun system which we no... USl'. It pro\'ides automat ie, {'\ent driven satellite 1 ransmiss.ion of datiL Chronologically, then. the mail WB!' u"ed ht'forl' 1935, and we ;;till get some mformation that way. The telephone system is really a typt' of the Telemart Sys- tem, and that was ahout 19.').') to present. Thf' radios wert' in the latE' 1!l60s 10 present. Tnt- :\ationlll ,,'eatn!.'r SNviC{' DAHDEC' system went in about 19i6 and there are still somt' of thost, ('perating IOday. OUr satellite system was available in tn[' late l~iOs, but wasn't really implemented throughout tht- Corps until about 1981-198~ to the pr!.'sellt time. The radar, as far as hf.ing a data ('ollt'ctiun system and integrating tht' precipitation information, is really just undl.'f de- velopment now. ThNe are, of coun.e, a lot of radars out there, but this is the application that I am referrinl': to. In its simplest sense. the dat<t ,ollection system we use has a fi{'ld sitt' railed a Data Collt'c\ion Platform. It sends its information, its data, or difft'rt"nt param- eters such as prt'cipitation, air and watt'r tempt:'Tature, and a gauge ht'ight, up to a satellite which increases the signal strength and sends it back down to a col- !fftion iiite much likt' a television satellite system now dO<'s. You can wllt'ct that information and then usu- ally you haw some hardware as,.;o('iated with just look- ing at part of tht' information plus a cumputer to store the information. Our system is shown on this slide IFi~'1Jre il.It's a bit complicated. \\'e naw. down in tht' IUWN right hand cornt'r. ~l~ of thest' data cul1N,tion platforms located in tht' basin. That's not II 101 of ;;tations if you arl:' looking at pre('ipitation. hut it {'O\'N~ the stream flo.....s prHt\" well. Both .....aler control of!i('l:',o in the di;;;trict and the Ht'~t'r\,(lir Control ('t'ntN lI~l'S Ihis informa- tiun \0 Tt'l'Ulatt' thl;"ir resl't'\'oirs and ~l:'t a goud fl,t'l for what i~ going on throughollt thl.' river S~';;ll:'m in the Figure 7. Missouri River Division Data Collection Network 37