Term RMS refers to the mathematical Root Mean Square which is an average of peaks and valleys of a materials surface profile. Ra stands for roughness average. Ra is a average of only peaks; therefore, to get an Ra, multiple your 3.2 to 6.3 by 2 to get 6.4 to 12.4 Ra. AF Kenton.
Closest Airport to Siesta Key, FL. The closest airport is Sarasota Bradenton International Airport (SRQ). Distance from Sarasota Bradenton International Airport to Siesta Key is 10,4 kilometers (6,5 miles).
Siesta Beach (sometimes known as Siesta Key Beach) is a beach located on Siesta Key in the U.S. state of Florida. The sand is 99% pure quartz, soft and cool on the feet. The many awards it has earned include: the whitest and finest sand in the world (The Great International Beach Challenge, 1987), The Best Sand Beach in America (The Travel Channel, 2004), The Best Beach in America (Dr. Beach, 2011, 2017). 2015 awarded #1 U.S. Beach (TripAdvisor source Orlando Sentinel February 18, 2015) Siesta Beach is located on Beach Road on Siesta Key. Siesta Beach is known as one of the most beautiful beaches anywhere in the world. At the Great International White Sand Beach Challenge held in 1987, it was recognized as having the whitest and finest sand in the world..