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U.S. Army Engineer Topographic Engineering Center CORPSCON <br /> http : //crunch . tec .army . mil/softwore / cor[pscon /corr)scon . htmI <br /> Corpscon is a MS-Windows-based program <br /> which allows the user to convert <br /> Lo WF,"a o„ Fa,M sedO$3 Uam, Hao coordinates between Geographic, State <br /> input Format <br /> .. XurixnntaL Geographic Coordinates. Nall ii Plane and Universal Transverse Mercator <br /> Vertical: NGVO 29. U, survey Feet ( UTM ) systems on the North American <br /> Ontput on . Datum of 1927 ( NAD 27 ) , the North <br /> Nonzond:onrol: Stam Mane. Na 83, Virginia XorIM1 0501, Metas <br /> Vertical: GN990, Meters American Datum of 1983 ( NAD 83 ) and <br /> Send Dam <br /> High Accuracy Reference Networks <br /> Output Window ON <br /> Output Fit: OFF ( HARNs ) . Corpscon uses the National <br /> Ai�b=,`'i` OFF Geodetic Survey ( NGS ) program Nadcon <br /> = to convert between NAD 27, NAD 83 and <br /> HARNs . <br /> Recommended Coordinate System for Indian River County <br /> It is recommended that the County to utilize the Florida State Plane Coordinate System , Fast, <br /> based in the North American Datum of 1983 with adjustments to the High Precision Geodetic <br /> Network ( NAD83/ HPGN ) . <br /> Zone Florida East <br /> ~ Coordinate System State Plane <br /> Datum NAD83 <br /> Projection I Transverse Mercator <br /> n Units U.S. Feet <br /> Scale 0. 99994 11764705882 <br /> Central Meridian -81 . 0 <br /> Origin ( Latitude) 24.333333333333333 <br /> False Easting ) m ) 656166. 6666666665 1 <br /> False Northing (m ) 0 <br /> Figure 6-5: Recommended Coordinate System <br /> for Indian River County <br /> KtTransfer Media and Backup <br /> Transfer Media <br /> One of the greatest challenges in sharing data is the transfer of data from one computer <br /> system to another. One computer may have data that is in a specific format and <br /> coordinate system , yet there may be no common way to transfer the data to other <br /> computers . There are several ways to provide access to data between computers , but few <br /> standards to do so exist . Floppy disks were the traditional method of data transfer for years . <br /> However, the sheer size of data has significantly reduced the usefulness of diskettes . Given <br /> that an average GIS data file can require up to thirty diskettes or more worth of disk storage , <br /> determining other alternatives for data transfer is necessary. <br /> High-capacity media , such as tapes , allow for the transfer of much larger data sets . <br /> Unfortunately, there are hundreds of different types of tape drives in the market . Some tape <br /> drives have surfaced as pseudo-standards for UNIX-based GIS . These tape drives are the <br /> 6-9 <br /> GIS Needs Assessment and Implementation Plan Chapter 6 - Data Standards and Transfer <br />