na aziz jan.
u can get them without any problems. Iranian Channels are shown on FTA satellites ---> Free To Air.
call ur local iranian store or arab store they should know who can sell a dish & reciever in ur area.
LD jAn,
As peyman mentioned Iranian channels are cosidered FTA and you should not have any problem recieving them. The best source of Iformation will be: www.AL7bar.com and www.pansatusa.com