https://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.png00Miami Flight Academyhttps://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.pngMiami Flight Academy2018-05-24 15:17:022018-05-24 15:17:02What is the meaning of a single coded identification received only once approximately every 30 seconds from a VORTAC?