[8D/263] Prop. modif. to PDNR in Attach. 5 to Doc. 8D/194 - Preliminary draft new Rec. ITU-R M.[RNSS.ISS]-Technical charact. of current and prospective RNSS (space-to-space) receivers to be consid. in interf. studies in the band 1215-1260 and 1559-1610 MHz