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tackyattack
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What would be the cheapest option to measure the altitude of a near space balloon? I know GPS can't be used because it is restricted to work below a certain point.
es1 said:I don't have much knowledge on taking measurements at near space so maybe a barometric sensor can't even be used that high but if it can then probably something like this would be my guess. This one even includes the temp measurement you'll need. Sparkfun has many useful sensors for the hobbyist.
http://www.sparkfun.com/products/9694
DaleSwanson said:but there are some GPS's that will function at either a very high altitude or very high speed (just not both at once).
DragonPetter said:What about this device?
http://datasheet.octopart.com/ASDX015A24R-Honeywell-datasheet-29814.pdf
The example to use it is here. He says it goes down to nearly vacuum pressure levels.
http://www.thefintels.com/aer/atom_altimeter.htm
I would maybe use a different chip if I were him, but he has the code and layout done already.
A high altitude balloon altimeter is a device used to measure the altitude of a high altitude balloon. It is typically a small electronic instrument that uses sensors to detect changes in air pressure and calculate the altitude of the balloon.
Having an altimeter for a high altitude balloon is important for several reasons. It allows the balloon operator to track the altitude of the balloon, which is crucial for safety and navigation. It also provides valuable data for scientific research and experiments conducted with the balloon.
There are several types of high altitude balloon altimeters, including barometric altimeters, GPS altimeters, and radio altimeters. Barometric altimeters use air pressure to determine altitude, GPS altimeters use satellite signals, and radio altimeters use radio waves to measure altitude.
The cheapest option for a high altitude balloon altimeter is a barometric altimeter. These can be purchased for as low as $20 and are relatively simple to use. However, they may not be as accurate as other types of altimeters.
Yes, there are DIY options for high altitude balloon altimeters, such as using a smartphone app or building your own altimeter using a microcontroller and sensors. However, these options may require more technical knowledge and may not be as reliable as commercially available altimeters.