Clubs

• San Francisco Radio Club
• East Bay Amateur Radio Club
• Mount Diablo Amateur Radio Club
• Palo Alto Amateur Radio Association
• Amateur Radio High Altitude Ballooning
• Aloft Super Pressure Balloons for High Altitude Analysis
• Amateur Radio Relay League

Events

• Pacificon San Francisco Bay Area amateur radio convention
• Great Plain Super Launch

Mail Lists

• SF-HAB Announce Only
• SF-Hab Chatter
• Amateur Radio Pico-Ballooning
• Balloons: Weather Balloons, Radiosonde, Amateur Radio Balloons, Pico Balloons (MAB), HAB, etc.
• HABalloon

Flight Prediction Software

• NOAA HYSPLIT – pico flight path ballooning
• HAB Landing Predictor HAB flight path prediction
• Burst Calculator HAB payload weight/gas fill/flight profile planning
• Balloon Calculator – Derived from the CUSF calculator
• Windy – Wind and weather information. Free with enhanced subscription services.
• Ventusky – Wind and weather information
• Camarillo Weather – Interactive global wind maps
• earth.nullschool.net – Wind, weather, … prediction/visualization
• SPLAT – UKHAS Super Pressure Low Altitude Tests – Float1g spreadsheet
• ASTRA – University of Southampton predictor

Balloon Flight Tracking Software

• APRS.fi
• WSPRnet
• Sondehub
• AMSAT Argentina
• wspr.rocks
• RadioSondy/SQ6KXY
• Radiosonde Tracker
• Other WSPR Tools

Communications Software

• WSPR
• APRS
• LoRa

Electronic Design Software

• EasyEDA
• KiCAD EDA
• RF Tools LC Filter Design Tool

Ballooning Supplies

• ZachTek – WSPR GPS Beacon
• QRP Labs – WSPR & APRS Beacon
• Bill Brown, WB8ELK WSPR & APRS Beacon
• JLCPCB – Fast/Cheap PCB with Small Batch Assembly
• Aliexpress – Cheap Party Balloons
• Aliexpress – Polysilicon Solar Cells
• Scientific Balloon Solutions Expensive pico balloon that go higher than the Aliexpress
• Yokohama Balloon – Nylon/Polyethyene plastic balloons that weight less
• Kaymont High Altitude Balloon Source
• Spot Trace Satellite Tracker

Test Software

• u-center – Free GPS diagnostic software
• SATSAGEN – Free spectrum analyzer software

Balloon History and Technology

• Stratocat
• Nation Weather Service Radio Sondes – Past and Present

Notable Amateur Radio Ballooning Projects

• Picospace
• Hackers Space Launch System
• NASA –  Columbia Scientific Balloon Facility Standardized Coarse Azimuth Pointing System
• HAB GPS Guided Parachute – Don’t try this in the US without checking with the FAA, it may be considered a drone.
• Controllable Altitude Balloon – Amateur Radio Loon?
• How Gyros Create Stabilizing Force
  

Inspiration

• Madman Muntz

Consultant

• Dan Bowen