The source was a 10 element array centered on the sound channel axis. The sound channel axis was at a depth of 175 meters. The array spacing was at 12.5 feet. Only 5 sources or less were on at any particular time. Numbering starts from the top of the array. Date Time Signal Sources Ship Speed Heading 26 january 0000:51 CW 1 3 5 1.50 m/s 9.58 degrees true 26 january 0002 CW 1 3 5 7 26 january 0050:51 CW 26 january 0053 CW 1 3 5 7 26 january 0100 CW 26 january 0300 P 1 3 5 7 10 1.61 320.70 26 january 0400 P 26 january 0600 M1 2 4 6 8 10 1.64 300.08 26 january 0700 M1 26 january 0900 M3 2 4 6 8 10 1.58 298.93 26 january 1000 M3 26 january 1200 CW 2 4 6 8 10 1.54 254.53 26 january 1300 CW 26 january 1500 P 2 4 6 8 10 1.54 232.71 26 january 1525 P 4 6 8 10 26 january 1600 P 26 january 1800 M1 1 4 6 8 10 1.60 224.96 26 january 1819 M1 3 4 6 8 10 26 january 1900 M1 26 january 2100 M4 3 4 6 8 10 1.34 251.67 26 january 2200 M4 27 january 0000 CW 3 4 6 8 10 1.29 254.09 27 january 0100 CW 27 january 0300 P 3 4 6 8 10 1.92 243.69 27 january 0400 P 27 january 0600 M1 3 4 6 8 1.50 239.70 27 january 0601 M1 3 4 6 8 10 27 january 0700 M1 27 january 0900 M2 3 4 6 10 1.81 238.66 27 january 0902 M2 1 3 4 6 10 27 january 0918 M2 3 4 6 10 27 january 0950 M2 3 4 6 7 10 27 january 1000 M2 27 january 1200 CW 1 3 4 6 10 1.71 234.36 27 january 1204 CW 1 3 4 6 27 january 1205 CW 1 3 4 6 7 27 january 1215 CW 3 4 6 7 27 january 1230 CW 3 4 5 6 7 27 january 1300 CW 27 january 1500 P unknown 1.55 237.90 27 january 1600 P 29 january 0900 M3 2 3 4 5 9 1.68 178.91 29 january 0910 M3 3 4 5 9 29 january 0912 M3 3 4 5 6 9 29 january 0914 M3 intermittent on all sources 29 january 0916 M3 3 4 5 6 9 29 january 1000 M3 29 january 1200 CW 3 4 5 6 9 1.77 172.96 29 january 1300 CW 29 january 1500 P 3 4 5 6 9 1.81 180.95 29 january 1600 P 29 january 1800 M1 3 4 5 6 9 1.74 183.96 29 january 1837 M1 3 4 5 6 29 january 1900 M1 29 january 2100 M4 3 4 5 6 1.98 328.91 29 january 2200 M4 30 january 0000 CW 3 4 5 6 1.03 335. 30 january 0100 CW 30 january 0300 P 3 4 5 6 1.49 313. 30 january 0400 P 30 january 0600 M1 3 4 5 6 1.59 300. 30 january 0700 M1 30 january 0900 M2 3 5 1.70 270. 30 january 0940 M2 3 6 30 january 1000 M2 30 january 1200 CW 3 6 2.09 270.63 30 january 1300 CW 30 january 1500 P 4 6 1.61 268.28 30 january 1600 P 30 january 1800 M1 4 6 1.77 273.07 30 january 1900 M1 30 january 2100 M3 3 4 6 1.44 280.29 30 january 2117 M3 3 6 30 january 2200 M3 31 january 0000 CW 6 1.16 289.17 31 january 0030 CW 31 january 0300 P 6 1.44 10. 31 january 0330 P 31 january 0600 M1 6 2.06 327. 31 january 0630 M1 31 january 0900 M4 6 1.59 328. 31 january 0930 M4 31 january 1213 CW 3 1.27 266.41 31 january 1230 CW 31 january 1500 P 3 1.91 267.84 31 january 1530 P 31 january 1800 M1 3 1.41 273.48 31 january 1830 M1 31 january 2100 M2 3 1.62 277.28 31 january 2130 M2 The local sound speed profile measured by an XSV was: depth(meters) speed(meters/second) 0 1459.7 25 1461.1 50 1461.3 75 1461.1 100 1458.4 125 1453.8 150 1453.6 175 1453.3 200 1454.3 225 1454.5 250 1455.5 300 1460.0 350 1462.0 400 1463.3 450 1465.0 500 1466.2 550 1467.2 600 1468.2 700 1469.9 800 1471.6 1000 1474.5 The water depth at the source was 1150 meters.