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Sep 7, 2018 · Geospatial data about Chicago, Illinois Electric Grid. Export to multiple formats and projections for GIS, CAD, API.
- The National Grid
- National Grid Reference Numbers
- Four-Figure Grid References
- Six-Figure Map References
- Using Compass Romer Lines
- Variations of Grid References
- Latitude and Longitude
Before we look at what the grid reference numbers mean, it’s important to understand the wider picture of the National Grid. Ordnance Survey divides Great Britain into 100 km by 100 km squares, each with a two-letter code. The two-letter codes can be found printed in faint-blue capitals on Ordnance Survey maps and can also be found in the map key. ...
The numbers going across the map from left to right are called eastings, and go up in value eastwards, and the numbers going up the map from bottom to top are called northings, because they go up in a northward direction. There are two main types of grid reference: 1. four-figure grid reference, such as ‘19 45’, indicates a 1 km by 1 km square on t...
When giving a four-figure grid reference, you should always give the eastings number first and the northings number second, very much like when giving the reading of a graph in school, where you give the x coordinate first followed by the y. An easy way to remember this is that to get the first number, you go along the corridor (horizontal, x axis,...
To get the six-figure grid reference, you have to imagine that the four-figure square is further divided up into tenths. In the example below, the grey box is in the four-figure grid reference square ‘18 44’, but more accurately it is 7 tenths across and 8 tenths up within that larger grid square, therefore the six-figure map reference is ‘187 448’...
The romer lines marked on the base plate of most compasses can help you to get a more accurate grid reference. You choose the scale of the map you’re using and then move the compass base plate over the map to show the tenths within a map square. This is more accurate than guessing the tenth gradations within a square
In addition to the standard four, six and ten-digit formats, you may also come across several other ways that National Grid references can be quoted. For example, the summit of Snowdon’s grid reference is ‘SH 609 543’, but this may also be referred to as: 1. An abbreviated number where the two National Grid letters are omitted, usually used if the ...
Using latitude and longitude is a more accurate method of pinpointing the exact location of a very specific place on the earth’s surface and is commonly used by satellite positioning systems and GPS devices. Latitude specifies the north-south position of a point and longitude the east-west position. You may come across the abbreviated version of th...
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Chicago's streets were laid out in a street grid that grew from the city's ... 10.0 9.3 8.4 10.8 ... Ethnic origins in Chicago Map of racial distribution ...
- United States
- Illinois
- March 4, 1837; 186 years ago
WGS84 Co-Ordinates example :-Lat =53.870659 Long=-1.200235 or Lat =53.870659N Long=1.200235W
ZIP code 60606 is located in northeast Illinois and covers a slightly less than average land area compared to other ZIP codes in the United States. It also has an extremely large population density. The people living in ZIP code 60606 are primarily white. The number of people in their late 20s to early 40s is extremely large while the number of ...
- Cook County
- Chicago, IL ( View All Cities)
- Loop
- Central (2:19pm)
4625 N MILWAUKEE AVE. E108. E108-TL23-A47. 2-2-2/6-7-3. 2. 11. E109. 2358 S WHIPPLE ST. E109.
Find out the zoning districts and regulations for different areas of the city with this updated map from the Planning Department.
