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!
Pacificon 2025 presentation (PDF) on Amateur Radio Ballooning
Pacificon 2023 presentation (PDF) on Pico Balloons
Stay Connected
Join the SF-HAB announce-only list, used ONLY to announce our flights: https://groups.io/g/sf-hab
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
Beau K6EAU’s QSO Today Interview
Active/Recent Launches
| Call Sign | Launch Date | Description |
| AG6NS-23 | Nov 2, 2025 | Kazu’s tracker design with 3x the RF power. Single Yokohama balloon using party helium. |
| W6MRR-33 | Aug 23, 2025 | Sharp solar cells and nichrome wire heating of liPo cell, insulated with Multi Layer Insulation, and Kazu’s tracker design. |
| W6MRR-32 | May 13, 2025 | 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… |
| AG6NS-20 (APRS AG6NS-11) | March 10, 2025 | Single Yokoma Balloon 2 Sharp solar cells, boost converter & LiPo battery 10, 20 &40 m WSPR, SSTV & CW HF APRS VHF Improved power usage |
| KQ6RS-12 | Nov 14, 2023 | WSPR Buoy |
Recent Posts
Recent Photos
