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<br />__._.~_.O.3*__........__..__~.___________~m._a~u,,:~nH_____R_____..__~n___~__~ <br /> <br />TABLE 15. <br /> <br />COMPONENTS AND COST OF LENA GULQ, HAHNING SXSTEM <br /> <br />Micro-computer <br /> <br />2 @ $5000 eacl1 <br /> <br />*10000 <br /> <br />Repeater Station <br /> <br />3000 <br /> <br />Antenna <br /> <br />400 <br /> <br />Antenna Duplexer <br /> <br />1200 <br /> <br />Stream gages <br /> <br />1450 <br /> <br />Rain gages <br /> <br />13175, <br /> <br />VHF Transmitter <br /> <br />2500 <br /> <br />Elect roni cs <br /> <br />1300 <br /> <br />Decoders <br /> <br />23400 <br /> <br />Recei vers <br /> <br />18000 <br /> <br />Sour 'Je: K. Stewart, 1985. <br /> <br />~.__'.__"__n_.____._________n________._._m._.~R~O'~I._n____~_.n_n___fl.____~__~ <br /> <br />The drainage area covered by this warning s:!rstem if I slightly more than <br />11 squal'e miles. The Urban Drainage and Flood Control District also <br />employs the services of a private weather forHca~ltol' from mid-'May to <br />mid-;3eptember at a cost of $37,500. <br /> <br />!iarri s County, Texas <br />1'he Harris County autcmated flood warning s:rstem is a real-time, <br />self"pO\;ered system that serves the Houston, 'I'e:ws area by collecting <br />rainfall and water level data at thirty-(~ight ],o()ations. The information <br />is tl'ansmit.ted by radio signal to a computerized base st.ation for <br />processing and display. The previous 'method of flood warning relJed on <br />indi viduals/crews to provide data from staff gages. The lack of ccmplete <br />covel'age and less than real-time processi.ng li.mited the .effectiveness of <br />sllch a system so the county authorized funding for an automatecl system. <br />The total cost of the system was $250,000. eos':" were limited by <br />utilizing in-place U.S.G.S. gaging stations. <br />System Overview: <br />IBM lIT computer with 10 megabyte har'cl ,i.:lsk <br />Modem access by U.S.G.S.. C,O.E., and I~.W.S. <br />Quantum software utilizing ALERT programs <br />Display map (computerized) <br />Radio transmitters utilizing N.W.S. fr'''JIlencies <br />Precipi tation sensor's <br />Stream level sensors <br /> <br />-41-, <br />