With normal sonar, the time between the ping being sent and its reception is determined by the range to the target. In a phased array, in this case just the two modules, the difference in the ...

The MoD said the frigate had located the hunter-killer submarine using the towed array sonar - a long tube fitted with sensitive hydrophones to listen under the water. A periscope was spotted on ...

The Type 093B sails with 100 crew members. They operate a variety of sophisticated equipment, including Type 359 radar, ...