A drag reducing composition comprising a finely divided, solid polyolefin friction reducing agent formed from olefins containing from 2 to 30 carbon atoms, the polyolefin drag reducing agent suspended in a suspending medium and comprising 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate containing up to 10% by weight of water. The data reading section reads a reproduced file selected from a first file and a second file. The on-die termination circuit has a reduced input capacitance. Data is transmitted through among the nodes through the communications links in the form of packets. Pulses matching the criteria are considered as potential radar pulses. The plurality of differential microphones are supported on the support member such that their principal axes of directionality are approximately orthogonal to the given plane.