Re: [iPad] Re: Car holder

 

DavidG wrote:
http://www.apple.com/ipad/specs/   this is a link to the Apple iPad spec page.  

Although the iPad specs page mentions "Assisted GPS", nowhere does it explain "Assisted GPS", what it is, how it works.

Further searching finds "iPad: Understanding Location Services" at:
which includes this:

Improving GPS Accuracy (iPad Wi-Fi + 3G)
GPS accuracy varies depending on the number of GPS satellites visible to the iPad. Locating all visible satellites can take several minutes, with accuracy gradually increasing over time. Use these tips to improve GPS accuracy:

• Ensure the date, time, and timezone are correctly set on the device in Settings > General > Date & Time.
• Important: Incorrect settings on your computer can sync to your device. Verify the date, time, and timezone on any computer that syncs with your device.
• Verify that you have a cellular or Wi-Fi network connection. This allows the Assisted GPS (A-GPS) on the device to locate visible GPS satellites faster, in addition to providing initial location information using the Wi-Fi or cellular networks.
• Maintain a clear view of the horizon in several directions. Keep in mind that walls, vehicle roofs, tall buildings, mountains, and other obstructions can block line of sight to GPS satellites. When this occurs, your device will automatically use Wi-Fi or cellular networks to determine your position, until the GPS satellites are visible to the device again.

Which very clearly indicates that a Wifi + 3G iPad does receive the Global Positioning System satellites' broadcasts.

-- 
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 Jim Saklad                                     mailto:jimdoc@me.com

 Apple: Rise, and rise again, until lambs become lions

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