略語大辞典 [C] 16 OTAR over the air re-keying (アメリカ陸軍の)無線再キーイング(方式). 暗号通信方式.over the air re-keying; an encryption keying for EPLRS(enhanced position location reporting system) for the Army;(US); [C:E:MIL]. 丸善「略語大辞典」JLogosID : 11881855