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the Degree Confluence Project
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Norway : Akershus

17.0 km (10.5 miles) NE of Oslo, Akershus, Norway
Approx. altitude: 149 m (488 ft)
([?] maps: Google MapQuest Multimap world confnav)
Antipode: 60°S 169°W

Accuracy: 2 m (6 ft)
Click on any of the images for the full-sized picture.

#2: North west #3: North east #4: East #5: South #6: New GPS #7: Old GPS

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  60°N 11°E (visit #5) (secondary) 

#1: West view

(visited by Terje Mathisen)

07-Apr-2008 -- I had an errand in Skedsmokorset, the tiny community north of Oslo where this confluence is located, so after finishing my business I drove over, asked permission at the Wærhaug farm, and then walked down on the wet & stubbly field.

Conditions were not nearly as nice as during my last visit this winter, with the TV crew, but it was still an easy walk in the mud down to the point, and GPS reception was nearly perfect, with 10-11 differentially corrected sats.

Since this was a quick repeat visit, I didn't bother taking one of my regular 360 degree panoramas, I just shot a number of images in different directions.

I intended this visit to be an experiment in GPS precision and consistency, so I carried a total of 4 GPSs on this trip, using 3 different GPS engines:

 Garmin 76S (12-channel Garmin chip)
 Garmin Quest (same 12-channel engine)
 Garmin 76CSx (multi-channel SirfSTAR III chip)
 Nokia N95 8GB (cell phone with GPS)
It turned out that all GPSes more or less agreed on the exact location, but only to about 1 to 2 m precision, barely better than the claimed 2-2.5 m accuracy. This makes it very likely that the location I found is indeed correct, but I cannot claim better than 2 m accuracy. I include photos of two of the GPS screens.


 All pictures
#1: West view
#2: North west
#3: North east
#4: East
#5: South
#6: New GPS
#7: Old GPS
ALL: All pictures on one page (broadband access recommended)