Going_Manual if you spend your time glued to 118.35 or any other frequency trying to work out nationalities then you are barking up the wrong tree. Try to realise that not all Indians have "Indian accents" I know of 2 Indians with Scottish accents and I work with Brummie Indians as well, whose accents are far from anything you refer to.
If you want to do a survey like that why not ask EK direct? To me this is a pointless unneccessary thread