Newbie ; Posts: 7; Karma: 0 ; High Altitude Balloon project.

In the altitude link, you can change the number of hours by changing the last parameter. That's a pity because, "The problem is in the code you didn't post.". 602.42 No person shall release an unoccupied free balloon having a gas-carrying capacity of more than 115 cubic feet (3.256 m3) except in accordance with an authorization issued by the Minister pursuant to section 602.44. Just before launch, call the FSS to advise them of the imminent launch. How far down range are you expecting the path to go? However, in reality, there is redundancy that improves this reliability.
Then, the overall probability of working is (0.99)^4 or about 0.961. A number of features are built into APRSISCE/32 that help with the observation of ARHAB flights, such as radio range circles (based on reported altitude), and projected payload location dead reckoning derived from last reported course and speed. I just need to be able to get a variable integer out of it that goes up and down accordingly.

Both plug into the analog pins making them really easy to integrate. 167; Re: High Altitude Balloon « Reply #10 on: 08 / December / 2009, 18:49:40 » Advertisements. I'll take a look at the RTC and see if that would be worth it. That's still not much power for a 20 mile path. Are you using any sort of HAM band tracking for REALLY long range. Be prepared to give the location, date and time of the flight along with the proposed rate of climb, maximum altitude, and area where the payload will end up.
First I took it up and down the elevator. Two items, each with 0.99 reliability, have reliability of 0.9999 when used redundantly. Posts: 2155; Joined: Fri Sep 01, 2000 11:32 pm; USER_STATUS: OFF_LINE ; Re: High altitude balloons #22231395. We have estimated that the balloon may travel as much as 100 miles south before landing. The chip I plan to send will be programmed in C on a Propeller Activity Board, but it should still give an idea of sensor capabilities. P.S. Easy Build LoRa Tracker Put a medium yagi on a tripod and point it at the balloon, LoRa will give you around 500kM range at circa 1500bps and 10mW. The data gave reliable data prior to this... within 10m of my altitude where I was doing the initial testing and adjusted appropriately in going down the elevator and moving up and down in my hands.

The pressure altitude dropped out at about 24,000 m. We are not sure why the MS5607 gave us such "noisy" altitude values at about 5500 s and 8000 s, but suspect electrical issues associated with arcing at high altitude. If you are going to become involved in Ballooning (or balloonacy, as it is sometimes called), it is important to realize that the airspace is shared among different users and that the Federal Aviation Administration (FAA) has responsibility for making this sharing arrangement work. Also important, is [what EOSS does] to reduce the risk of an air-to-air collision. I looked around and couldn't find any under 100 either, hmmm. There's some simple math you can do to calculate the RF attenuation in line of sight for distance x. by "it" I mean an off the shelf 2 way radio (preferably a 40-50 mile one), would have edited the previous post but it wont let me. [IMG] APRS can also be used to interface with the FAA and to inform Air Traffic Controllers on the position of a balloon as it traverses the controlled Airspace.

Fine craftmanship and [...], All you need is right here.


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