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of Santa Ana Exhibit C -3 Statement of Work ev Topologically Integrated Geocoding and Referencing (TIGER): A data format developed by the US Bureau of Census for the 1990 US census to support its mapping needs for the Decennial Census and other Bureau programs. The TIGER files are a digital database of geographic features, such as roads, railroads, rivers, lakes, political boundaries, census statistical boundaries and other boundaries, covering the entire United States. The database includes features information such as latitude and longitude coordinate, the name, the type of feature, address ranges, and other related information. TIGER files require data enhancement in order to meet the needs of Public Safety Dispatching. •S Trimble ASCII Interface Protocol (TAIP): A Trimble - defined specification used to communicate to and from GPS receivers. ❖ Universal Transverse Mercator (UTM): A map projection that divides the world into 60 north -south zones, each covering a strip 6° wide in longitude. In each zone, coordinates are measured north and east in meters. The northing values are measured continuously from zero at the Equator, in a northerly direction. Southerly values are similarly measured from the Equator, south. ❖ X,Y Coordinates: A standard grid coordinate system. Map positions are calculated in feet based on an x (horizontal) and y (vertical) axis. Exhibit C -3, Statement of Work Page C3 - 64 05/2/05 CN: 05 -17505 This document contains Motorola and Motorola confidential, proprietary, and trade secret information and may not be shared with any person or agency not direcity associated wdth the City of Santa Ana without the express written consent of Motorola, Inc., or its designees.