Recovery Team for 2/17/25 after successful recovery just in between a regional airport and a correction facility!
Welcome to the High Altitude Balloon resource in the San Francisco Bay Area
Who we are
A community interested in amateur radio and ballooning of all forms. We fly balloons when weather permits, flying our own as well as other’s experimental payloads. Please join us!
John Henry Johnson Park launch with help from the GisCube team
We also chat about ballooning on the https://groups.io/g/sf-hab-chatter list. Please use this chatter group for all questions and comments about our balloon flights or balloon topics.
Analysis and information our balloon flights, radiosondes and more Bryan’s Blog
Single Yokohama balloon, 4 Sharp solar cells, boost converter and prototype nichrome wire heating of LiPo cell with aerogel insulation. Went splash June 30, 2025 east of Japan – stay tuned…
Written by Professor Rob Rowlands, of Sonoma State University (A final version of this article, can be found here: globehttps://ee.sonoma.edu/articles/2026/sonoma-state-engineering-students-launch-solar-powered-balloon-circles-globe ) This Spring semester, two accomplished instructors in the Engineering Department at Sonoma State University, Professor Rob Rowlands and Professor Robert (Bob) Salter, guided students in the E444L Radio Frequency Laboratory course to successfully launchContinue reading “SSU RF Ballooning”
After seeing some ground test transmissions and two partial balloon flight data sets, I had Claude.ai take a closer look at the telemetry data to see what information could be inferred. And also looked for possible sources of information for the flights. The following is some of the data about the flights, and some linksContinue reading “UC Davis launches two high-altitude balloons on Picnic Day”
Filing a NOTAM: This needs to be 24 hours in advance, so we need to decide by our planned launch hour. You will need the GPS coordinates you intend to launch from, the direct of travel predicted for your flight, the start and end time in UTC, and the maximum altitude you expect to reach.Continue reading “How to File a NOTAM for Launch”