Spencer Webb, president of antenna design and consulting firm AntennaSys, has written a nice explanation of how cell phone antennas are designed and tested, and how this may play into the reception problems iPhone 4 users are experiencing when holding the phone in certain ways. follow link
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Sometimes you want to move a file in the Finder across volumes, not copy that file. Holding down the Command key while dragging ensures that the item is copied, and then its original deleted, adding up to a move.
- ExtraBITS for 28 June 2010 (28 Jun 10)
More Details on the iPhone 4 Antenna Issue