sark110 with pc and android

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Hi group, today I did try to set up my portable vertical and find out that there is a difference in the data showing on my laptop and Android mobile device. Now I do not know which is accurate. The laptop start to behave strangely (see the pic attached), and after some time the lines became "furry" When has checked on Android the lines were straight. But there is a difference in the parameters. Has anyone experienced a similar issue?