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).
Where To Stay. If you are looking for Siesta Key accommodations, youâve come to the right place! The Siesta Key Chamber of Commerce website is a valuable source of information on Siesta Key Beach accommodations and all things Siesta Key.iesta Key Village is a great place to enjoy nightlife on the key. You'll be within walking distance of shopping, dining, and Siesta Public Beach, the #1 beach in the United States.