Information About Atlas / Community Reference
Coordinates Query
This program can be used to retrieve reference coordinates for a
particular community in a given state, or for multiple
communities within a state. The coordinates may then be plotted
on a Tiger Census Map using the link or green blocks (to change
the map size), if so desired, to show the location of the
reference point to that community and adjacent communities.
Some points of interest:
- Selection of a state is always required. You may
enter one or more letters in the City field. The query will find
all the reference coordinates for cities that start with the
entered letters.
- Abbreviations are usually spelled out, for example Saint
Louis for St. Louis, MO. However, this may not always be the
case, as in Sault Ste Marie, MI.
- You may elect to see the retrieved coordinates on a map.
Selecting the Map of Coordinates option will set up the
information needed to create the map. Then select "Go Get the
Map" to display the map in the right center frame.
- The initial map area covered by map generated through the
Community Coordinates program is 0.7 degrees latitude and 0.7
degrees longitude.
- The FCC does not guarantee the accuracy of any of the
reference coordinates used in this program. Where accuracy is
essential, the coordinates should be verified against other
sources (U.S.G.S. maps, surveys, etc.)
- The U.S. Census Bureau
has a similar reference coordinate function, the U.S.
Gazetteer. Decimal coordinates of communities may be
obtained, and population data as well.
- Please be aware that the Census Bureau's Gazetteer and the
FCC's Community Coordinates programs may produce different
results in some instances. There may also be differences compared
to community data in other FCC databases. We will not try to
resolve these discrepancies.
- In many cases, the reference point will not correspond to
the physical center of a community. This may be due to the
selection of a post office or other landmark as the center,
or the city may have grown since the point was selected.
- Petitioners seeking to establish a new FM or TV allotment in
a community should be aware that a community shown through this
program may not be suitable for an allotment. A "community"
shown in this data may be merely a portion of a larger community
or a very small named place. Such "communities" may not qualify
as an community in an allotment proceeding.
The Community Coordinates query is located at
http://www.fcc.gov/fcc-bin/mb/audio/atlas2.html. This
information page is located at
http://www.fcc.gov/mb/audio/bickel/atlas4.html.
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