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Shadow Stick Compass test for accuracy depending on time durations.

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Xuất bản 08/08/2016
I did this test to show the difference between a half hour test , 1 hour test and 4 hour test. To see the accuracy between them, and the compass was showing the difference only. a half hour test was 20 degrees less accurate then a 4 hour test. Altho the shadow stick shows general direction, so a half hour test may be all one needs. So to sum this up, the longer the test the more accurate it is ,
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