[8/56-r1-c1} Corrigendum 1 to Doc. 8/56(Rev.1) - Draft new Rec. ITU-R M.[8D/XN] - Principles & methodol. for frequency sharing in the 1610.6-1613.8 and 1660-1660.5 MHz bands between the mobile-satellite serv. (earth-to-space) and the radio astronmy service