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 Key Beach is central Sarasota's gateway to the sparkling waters of the Gulf of Mexico, an island with luxurious amenities and a relaxed vibe. Find Activities & Attractions Listings Get Siesta Key Trip Ideas View Siesta Key Events Watch Siesta Key Videos. 1  Tweet.asual and beautiful, home to some of the world's best beaches, and a short drive to all that greater Sarasota has to offer. Siesta Key is a destination for all who stay or live in the Sarasota area thanks to the wide variety of entertainment and dining options that stretch its length.