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Thread: Spikes on graph

  1. #1

    Default Spikes on graph

    Hi all,
    I just installed inSSIDer - a wonderful tool that helps me to optimize my wifi net in a pretty crowded area.
    THere are up to 10 wifi networks [mine included] and I had to chose the less congested channel.
    Please find attached two pics showing my issue.
    My question is:
    what on earth is that light-blue graph [see inssider_timeGraph.jpg] that has such a srong signal?
    as you may see, my router is constant at -50db while that "offender" is peaking above -15db?
    Thanks in advance

    2.4GHz chans
    Click image for larger version. 

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    Click image for larger version. 

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  2. #2


    Hello protozaur,

    So the way inSSIDer works is that it pulls the information it needs directly from your wireless card. So, those spikes you see are when your wireless card receives bad information (like a null reading for RSSI). That means inSSIDer receives this data and the way it handles it is that it sets the RSSI to 0. Which is why you end up seeing these spikes.



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