plan-position indicator repeater
(рлк.) виносний індикатор кругового огляду
adjacent PPI (plan position indicator)
digital radio frequency memory jamming (DRFM jamming); repeater jamming
instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)
operational plan; operation plan
surface position indicator (SPI)
moving map ground position indicator
vehicle position and direction indicator
launching position (missile position)
changeover from travelling position to fire position
position and navigation unit / position navigation unit (PNU)