The Icarus Project

The Icarus Project

High Altitude Ballooning

Surface mount components & SVN

Pretty much there now on Icarus III. Moved to surface mount components rather than push through hole. This will help reduce the size of the board. The additional space being needed for the additional sensors and circuits mentioned below.

Modified the primary data structure to use floats rather than strings to store the numeric values such as latitude and longitude. This will aid future calculations. The loss of accuracy is approximately one or two metres which should not cause any significant problems.

Abandoned the idea of having the absolute pressure sensor on board as the sensitivity of such sensors is only down to 15kPa which is only 15,000 meters (50,000 feet) above sea level. Typically a launch will exceed 30,000 meters rendering the information from such a sensor useless. Especially as the area we are particularly interested in is at apogee (The point furthest from Earth).

Set up two SVN repositories to hold development and media from the Icarus project.

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