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the Degree Confluence Project
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United States : Illinois

4.8 miles (7.7 km) W of Chebanse, Iroquois, IL, USA
Approx. altitude: 217 m (711 ft)
([?] maps: Google MapQuest Multimap topo aerial world confnav)
Antipode: 41°S 92°E

Accuracy: 1 m (3 ft)
Click on any of the images for the full-sized picture.

#2: West: field and road #3: North:road and my rental car #4: East: the road again #5: GPS #6: GPS showing differential correction. Barely readable due to bright light

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  41°N 88°W (visit #8)  

#1: View south: field

(visited by Florian Schindler)

16-Jan-2011 -- Imagine you are on a business trip, have a free Sunday, got a car and not visting a Confluence Point?
Determined not to let that happen, I set off to visit some of the Confluence Points in the countryside.

During my previous trips I visited the points 43°N 088°W, 42°N 088°W, 42°N 089°W and attempted 42°N 090°W (failed due to dense vegetation on the field in summer).

So today I decided to vist at least two of the "drive-in" points along the 41st parallel.

Said an done. I left the I-57 and drove on the Kanake County Road 37 until the GPS showed a distance of 18 meters.
A quick jump out of the car, crossed the road and the ditch and I started the confluence dance.
Few steps later I got a perfect reading: twelve zeros with differential GPS correction. This reading was stable for several minutes. Indeed here is a perfect environment for GPS: no obstacles and no reflection under wide open skies.

After taking the photos I followed the slogan of the 19th centruy: go west!


 All pictures
#1: View south: field
#2: West: field and road
#3: North:road and my rental car
#4: East: the road again
#5: GPS
#6: GPS showing differential correction. Barely readable due to bright light
ALL: All pictures on one page (broadband access recommended)