http://groklab.org/handhygiene/2009/10/17/14-wave-antenna-test/ Just another Groklab.org weblog Mon, 28 Nov 2011 02:43:21 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://groklab.org/handhygiene/2009/10/17/14-wave-antenna-test/comment-page-1/#comment-47 State of the Antenna Analysis « Hand Hygiene Thu, 22 Oct 2009 22:07:35 +0000 http://groklab.org/handhygiene/2009/10/17/14-wave-antenna-test/#comment-47 [...] Quarter Wave Antenna, verticalVertical small antenna through SMA connector.  Fully crossed 2 heights, 4 distances, 10 angles.  Power level 7.  Conclusion.  Works well at the high heights, clear distinction.  However, lower motes couldn’t get the signal.  Probably the signal pattern cuts them out. [...] [...] Quarter Wave Antenna, verticalVertical small antenna through SMA connector.  Fully crossed 2 heights, 4 distances, 10 angles.  Power level 7.  Conclusion.  Works well at the high heights, clear distinction.  However, lower motes couldn’t get the signal.  Probably the signal pattern cuts them out. [...]

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