HOT-320 Optics Readme file Tully Rohrer -LISST-200X arrived without flowthrough chamber, so we will install it next to the LISST-100X on the optics cage. -200X software installed on White Lab Thinkpad and Optics computer. Cal files: LISST-100X: hot320_lisst1421_cal1 LISST-200X: dzsc.asc FL3: hot320_fl3_dark1 BBFL2: hot320_bbfl2_dark1 7/13/20 Hyperpro Darks: 19:58-20:04 - Hyperpro, Station Kahe, sn0120 Lat/Long: 21 20.6N, 158 16.3W Clouds: 60% Wind: 5 kts Swell: 0.5m Pressure Tare: 9.906732 Start End Depth Cast 1 2108 2114 188m Cast 2 2117 2123 187m Yo-Yo 2127 2133 20m - 21:41 HST: Started UW1 hyperpro logging. 7/14/20 - Hyperpro, Station ALOHA Lat/Long: 22 44.3 N, 157 55.1 W Clouds: 30% Wind: 20 kts Swell: 1m Pressure Tare: 9.925 Start End Depth Yo-Yo 2308 2322 20m Cast 1 2323 2328 185m Cast 2 2336 2343 180m - 8 min delay in yo-yo due to wire angle issues - UW2 started at 2359 7/15/20 - Optics Cast Lat/Long: 22 45 N, 158 00 W Wind: 20 kts, current opposite the wind. Net tow prior was very challenging Swell: not recorded LISST 1421 (3 profiles) FL3 654 FLBB2 1554 SBE37SI 3809 DH4-102 Speed: 10m/min down, 20m/min up IN: 11:52 DOWN 1: 1155 UP 1: 1214 DOWN 2: 1225 UP 2: 1245 DOWN 3: 1256 UP 3: 114 STOP: 1:21-1:28 OUT: 134 DH4 flooded during cast. All data lost. Cracks found around a bulkhead connector, which went from there to the main o-ring groove. Trying out DH4 sn126 to see if it's functional. It is - both the 9V battery and clock coin cell are dead, but will work when externally powered. Port 1 ASCII 19200 Port 2 Empty Port 3 ASCII 9600 Port 4 ASCII 19200 DH4_126_JULY2020.wlh 7/18/20 - Optics Cast Lat/Long: 22 45.23 N, 158 04.54 W Wind: not recorded Swell: not recorded LISST 1421 (3 profiles) FL3 654 FLBB2 1554 SBE37SI 3809 DH4-126 Speed: 10m/min down, 20m/min up IN: 1000 DOWN 1: 1004 UP 1: 1024 OUT: 1035 Stopped for Grabowski Net Tow. IN2: 1123 DOWN 2: 1126 UP 2: 1146 DOWN 3: 1156 UP 3: 1216 STOP: 12:23-12:28 (intercomparison) OUT: 1236 Successful swap of DH4 instruments. - Hyperpro, Station ALOHA, near WHOTS mooring Lat/Long: 22 46.6 N, 157 54.9 W Clouds: 70% Wind: 12 kts Swell: 1.5m Pressure Tare: not recorded Start End Depth Yoyo2 2235 2241 20m Aloha3 2246 2253 180m Aloha4 2303 2308 180m Freezing/connection issues, all on upcast. Cable issues suspected, will bring sn 0207's cable nxt time to test this.