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Merge remote-tracking branch 'upstream/master'

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Nicholas Sherlock 2015-01-04 10:35:59 +13:00
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@ -130,3 +130,15 @@ From the UBlox documentation:
* Pedestrian - Applications with low acceleration and speed, e.g. how a pedestrian would move. Low acceleration assumed. MAX Altitude [m]: 9000, MAX Velocity [m/s]: 30, MAX Vertical, Velocity [m/s]: 20, Sanity check type: Altitude and Velocity, Max Position Deviation: Small.
* Portable - Applications with low acceleration, e.g. portable devices. Suitable for most situations. MAX Altitude [m]: 12000, MAX Velocity [m/s]: 310, MAX Vertical Velocity [m/s]: 50, Sanity check type: Altitude and Velocity, Max Position Deviation: Medium.
* Airborne < 1G - Used for applications with a higher dynamic range and vertical acceleration than a passenger car. No 2D position fixes supported. MAX Altitude [m]: 50000, MAX Velocity [m/s]: 100, MAX Vertical Velocity [m/s]: 100, Sanity check type: Altitude, Max Position Deviation: Large
## Hardware
There are many GPS receivers available on the market, people have reported success with the following receivers:
Ublox Neo-7M GPS with Compass and Pedestal Mount
http://www.hobbyking.com/hobbyking/store/__55558__Ublox_Neo_7M_GPS_with_Compass_and_Pedestal_Mount.html
RY825AI 18Hz UART USB interface GPS Glonass BeiDou QZSS antenna module flash
http://www.ebay.com/itm/RY825AI-18Hz-UART-USB-interface-GPS-Glonass-BeiDou-QZSS-antenna-module-flash/181566850426