it could be however - most of the polish online tv services require the purchase to go through polish bank account to make sure it is for polish citizen going abroad I guess.
much cheeper is to use polish sky tv online on internet; www.wizja.tv - is around £5 a month. Chanel name Nsport every sunday when league start, also you can see UK and Swedish speedway in Eleven. Also u can find speedway on Polsat Sport, jjust to check one of 16 sport chanels there
