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  1. dvdsnyd

    GPS DriftCast (GPS Drift 2.0) Vastly improved landing location prediction based on winds aloft forecasts

    Alright, If any of you have followed or seen GPS Drift, an excel spreadsheet that helps you predict the landing location of your model and high power rockets. I wrote it back in 2021. @MarsLander recently reached out about a weathercock addition to the sheet. This was added and released -...
  2. PeterP

    NAR Level 2 Exam Question

    Hey all! This may be explained elsewhere, but I'm having a hard time finding reliable information about taking the NAR Level 2 exam. I received my Level 1 in March and decided it was time to go for my Level 2. I have the rocket, motor, and a launch date picked out. The only thing left is the...