flyng_circus

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  1. Wow, someone actually used the search function! Kudos. www.paratelemetry.com is the most recent one I am familiar with, but be wary that most dropzones dont have a radio. Definately a neat idea but I am not sure that I know anyone using a system such as this.
  2. Yup, thats correct. At 18,000 ft MSL atmospheric pressure is reduced by about half.