Sasha: I am sure you will hear from others on this but you can add additional balloons. You need to make sure that you have no contact on the balloons with other balloons or flight string as the

Hello, I've written to many groups, but none have really been able to answer the question. For pico balloons, if the weight limit is only 10g for *one balloon*, why can't we just use many of them to

Sounds interesting. Good luck. Seeing just how far we could push the technology is how we all got started in this hobby. :-)

I'm now trying to bend the laws of physics getting long-term SSTV from a pico balloon haha

Hi Bruce, The point of the UHF beacon was just to signal the fact that the LED is still running at low horizon elevations. It was just a cheap 434MHz module occasionally sending a very short carrier

Hi Sasha Can you provide details on the UHF beacon you're using? Thanks Bruce, VE5BNC

Hey y'all, Just launched a DIY pico balloon with an LED attached to it (plus UHF beacon, etc). I literally just want to see how far it goes hehe. It took a while to get everything to the 10g weight

Meant to write CFR. On Thursday, March 16, 2023 at 06:28:26 PM EDT, Hank wrote:

Google will locate several online sources of the CFI. 91.215 - ATC transponder and altitude reporting equipment and use. 91.225 - Automatic Dependent Surveillance-Broadcast (ADS-B) Out equipment and

What are these parts? Administrator issues a notice of proposed rulemaking22 under subsection (b)(1), a person may only operate a high23 altitude balloon

Official U.S. Senate press release for the Kelly-Budd Seeing Objects at Altitude Regularly (SOAR)

I think the key bit is: A provision of the SOAR Act calls on the FAA to create the Aviation Rulemaking Committee (ARC), composed of members from the aviation industry, including

Can we get the content of the article here so I don't need to make an account for yet another news agency that will just spam me? 73 Mark VK5QI

US Senators Introduce Legislation to Track, Identify High-Altitude Balloons

As others have said, the predictor accuracy is often mainly limited by the user inputs (e.g. ascent rate, burst altitude and sea-level descent rate), and how closely your flight actually achieves

In my experience the error is greatest in the direction of travel - less so at right angles to it. I suspect the predictor is quite accurate - its the other factors that cause most of the

I did a comparison of 3 different predictors a few years ago for GPSL and all 3 predictictions were very close to the same. I also took the flights from the previous a year's GPSL and when I used the

Sasha, I am sure results vary, and depend a lot on the accuracy of the input and how recent the winds aloft data is. Getting the "neck lift" accurate under windy conditions can add a significant

Hi Sasha I'd be cautious about relying on any predictions being that accurate every time. There are simply too many variables at play. When the weather conditions are fairly stable, the sondehub

Hey all, In general, how do the predictions of the CUSF engine (predict.sondehub.org) compare with the actual landing site? I've heard the figure of +- 2 miles. What is your opinion on this? Still