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the Degree Confluence Project
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United States : Oregon

1.3 miles (2.1 km) NW of Hayesville, Marion, OR, USA
Approx. altitude: 53 m (173 ft)
([?] maps: Google MapQuest Multimap topo aerial world confnav)
Antipode: 45°S 57°E

Accuracy: 3 m (9 ft)
Click on any of the images for the full-sized picture.

#2: Stopping less than 5 m from the spot #3: I5 marker noting the 45th parallel #4: GPS #5: Map with tracklog

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  45°N 123°W (visit #5)  

#1: 360 degree panorama from the confluence

(visited by Terje Mathisen)

18-Apr-2005 -- After the successful visit to 46°N 123°W yesterday evening I stayed overnight in Hillsboro, then met up with some friends there for breakfast and lunch.

Afterwards I got back onto I5, straight south to exit 260B in Salem: Taking this exit, then going across the intersection and directly onto the ramp leading back onto I5 south, is the only way to get to this confluence, since it is located in the middle of the onramp.

I had very nice weather at this point, and excellent GPS reception (10-11 satellites, plus WAAS coverage), so the EPE numbers got down to the 7-12 feet range most of the day.

I had to wait for a gap in the traffic, then run across the ramp while trying to get a picture of the GPS as it passed through the all-zero condition. I did this about 5 times as the track log shows.

Afterwards I went on to 45°N 124°W


 All pictures
#1: 360 degree panorama from the confluence
#2: Stopping less than 5 m from the spot
#3: I5 marker noting the 45th parallel
#4: GPS
#5: Map with tracklog
ALL: All pictures on one page (broadband access recommended)