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Technology Stocks : Qualcomm Incorporated (QCOM)

QCOM 163.32

+2.3%

Nov 21 9:30 AM EST

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To: Harvey Rosenkrantz who wrote (13504)	8/10/1998 12:20:00 AM
From: Jon Koplik	Read Replies (2) of 152472

Harvey - while we are on the topic of wireless systems not working exactly as one would hope they might -- my wife and I are finally really starting to use our Sprint PCS service often enough to be aware of the subtleties of where it works well (around here), and where it does not. Could one (or more) of you electrical engineering wizards please explain exactly why things do not work well when one is in the middle of a huge shopping mall? Doesn't the wavelength of an electromagnetic wave (whose frequency is 1900 MHz) allow the signal to just "zip" through concrete and steel? (See what happens when us non-E.E.'s learn a tiny bit of physics?) Jon.

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