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Neo6: Patch - Helix antennaOn the images bellow you can see two GPS traces, first image is obtained running the helix antenna with +/- 3m error. The image on the right show the original patch result with more than 20 meters errors/jumps. If you are really looking for a very high reliability i would recommend to use a NEO-6 GPS module instead of the now popular M8N, this old NEO-6 device is less subject to position glitches. (see next example) If you want to use a magnetometer you can use a separate HMC5883l module.
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In this test two GPS modules are used at same time, the left GPS trace show the original GPS Neo8m module and to the right trace another same module running helix antenna with SMA connector. You can notice the North-East spike, those spikes or quick jumps can occurs as well using a helix antenna. The position change jump quickly 10m or more and return slowly to original position. This jumps issue looks related to neo7/neo8 family and can occur using only GPS(USA) as well. |
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