SAE J1663:2019 pdf free

SAE J1663:2019 pdf free.Truth-in-Labeling Standard for Navigation Map Databases
Coverage- Coverage will be specified for each attribute. Vendors shall state coverage for a particular map database in the U.S. as a collection of county/state pairs, and in Canada as a collection of census division/province pairs. If some additional portion of a county is included in the coverage, the criteria for such inclusion and the geographic description of the included part shall be stated clearly.
STATES一States are the major political divisions of the United States. Additionally, there are “state equivalents” such as the District of Columbia and the outlying possessions of Guam and American Samoa, the Commonwealth of Puerto Rico, and the Territory of the U.S. Virgin Islands. Provinces are the major political divisions of Canada.
COUNTIES一Counties are the basic political divisions of the states. Their boundaries are defined by their respective state governments. All states have counties with the exception of Alaska where the Census Bureau created county equivalents called “Census Areas” and “Boroughs.” In Louisiana, counties are called “parishes.” There are county equivalents called “Independent Cities” which are cities politically independent of any county. Baltimore, MD; St. Louis, MO; and Carson City, NV are independent cities as are 41 cities in Virginia.
In Canada, Census Division is the generic term for the basic political divisions of the provinces except for Newfoundland, Manitoba, Saskatchewan, and Alberta, where it applies to equivalent statistical areas created by Statistics Canada. Where the Census Divisions are political entities, their names vary from province to province. They are called counties in Prince Edward Island, Nova Scotia, and parts of Ontario. In the rest of the provinces they may be called regional districts, regional municipalities, and at least 5 other names. The lack of consistency for this type of area may make it difficult, if not impossible to select Census Divisions as a measurement area for many parts of Canada.SAE J1663 pdf free download.