1. 
   Radio Acoustic Sounding System
   The Amazing Race: A Corrida Milionária (Portuguese for The Million Dollar Race) was a Brazilian version of the popular franchised reality television show The Amazing Race. Hosted by Rony Curvelo, it was independently produced and aired in a purchased time slot in the Brazilian television network R...
   Found op http://en.wikipedia.org/wiki/Radio_Acoustic_Sounding_System
   
   
2. 
   Radio acoustic sounding system
   A radio acoustic sounding system (RASS) is a system for measuring the atmospheric lapse rate using backscattering of radio waves from an acoustic wave front to measure the speed of sound at various heights above the ground. This is possible because the compression and rarefaction of air by an acous...
   Found op http://en.wikipedia.org/wiki/Radio_acoustic_sounding_system
   
   

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