To facilitate this on lower cost receivers, a new civilian code signal on L2, called L2C, was added to the Block IIR-M satellites, which was first launched in 2005.
Radi facilitacije te mogućnosti na jeftinijim prijamnicima, novi civilni kodni signal na L2, nazvan L2C, pridodan je na satelitima Block IIR-M koji su prvi put lansirani 2005.