US-based Iranian TV channels have been suffering from the presence of an unidentified signal which is causing disruption and interference. The affected stations are in a multiplex of channels targetted mainly at Iran.
The channels potentially affected, according to the Lyngsat satellite information web site, are CTI TV; Da Ai TV; MAC TV; NITV-National Iranian TV; Iran TV Network; Tapesh TV; VOA TV Persian service; Channel One; Azadi TV; Jaam-e-jam International (an Iranian state external TV service); AFN Farsi Net (radio).