version: 67.00
glider: 236
mission: 2
dive: 652
start: 2 20 121 19 26 36
data:
$ID,236
$MISSION,2
$DIVE,652
$N_DIVES,0
$STOP_T,0
$D_SURF,2
$D_FLARE,3
$D_TGT,500
$D_ABORT,1010
$D_NO_BLEED,200
$D_BOOST,2
$T_BOOST,0
$D_FINISH,0
$D_PITCH,0
$D_SAFE,0
$D_CALL,0
$SURFACE_URGENCY,0
$SURFACE_URGENCY_TRY,0
$SURFACE_URGENCY_FORCE,0
$T_DIVE,170
$T_MISSION,190
$T_ABORT,1440
$T_TURN,225
$T_TURN_SAMPINT,-5
$T_NO_W,180
$T_LOITER,7200
$T_EPIRB,0
$USE_BATHY,-1
$USE_ICE,0
$ICE_FREEZE_MARGIN,0.30000001
$D_OFFGRID,990
$RELAUNCH,1
$APOGEE_PITCH,-5
$MAX_BUOY,80
$GLIDE_SLOPE,30
$SPEED_FACTOR,1
$RHO,1.0275
$MASS,72660
$NAV_MODE,0
$FERRY_MAX,45
$KALMAN_USE,2
$HD_A,0.003
$HD_B,0.0099900002
$HD_C,1.6e-05
$HEADING,-1
$ESCAPE_HEADING,0
$ESCAPE_HEADING_DELTA,10
$FIX_MISSING_TIMEOUT,0
$TGT_DEFAULT_LAT,4736
$TGT_DEFAULT_LON,-12218
$TGT_AUTO_DEFAULT,0
$SM_CC,425
$N_FILEKB,8
$FILEMGR,0
$CALL_NDIVES,1
$COMM_SEQ,0
$PROTOCOL,9
$N_NOCOMM,2
$NOCOMM_ACTION,163
$N_NOSURFACE,0
$UPLOAD_DIVES_MAX,-1
$CALL_TRIES,5
$CALL_WAIT,60
$CAPUPLOAD,0
$CAPMAXSIZE,100000
$T_GPS,5
$N_GPS,100440
$T_RSLEEP,1
$STROBE,0
$RAFOS_PEAK_OFFSET,0
$RAFOS_CORR_THRESH,60
$RAFOS_HIT_WINDOW,3600
$RAFOS_MMODEM,0
$PITCH_MIN,190
$PITCH_MAX,3920
$C_PITCH,2140
$PITCH_DBAND,0.1
$PITCH_CNV,0.0041299998
$PITCH_GAIN,20
$PITCH_TIMEOUT,30
$PITCH_MAXERRORS,1
$PITCH_ADJ_GAIN,0
$PITCH_ADJ_DBAND,0
$PITCH_W_GAIN,3
$PITCH_W_DBAND,0.5
$ROLL_MIN,670
$ROLL_MAX,3465
$ROLL_DEG,80
$C_ROLL_DIVE,2100
$C_ROLL_CLIMB,2100
$HEAD_ERRBAND,10
$ROLL_CNV,0.054945
$ROLL_TIMEOUT,15
$ROLL_MAXERRORS,1
$ROLL_ADJ_GAIN,0
$ROLL_ADJ_DBAND,0
$VBD_MIN,500
$VBD_MAX,3960
$C_VBD,2500
$VBD_DBAND,2
$VBD_CNV,-0.24529999
$VBD_LP_IGNORE,0
$VBD_TIMEOUT,720
$PITCH_VBD_SHIFT,0.003
$UNCOM_BLEED,20
$VBD_MAXERRORS,1
$W_ADJ_DBAND,2
$DBDW,0
$LOITER_W_DBAND,0
$LOITER_DBDW,0
$LOITER_D_TOP,150
$LOITER_D_BOTTOM,250
$LOITER_N_DIVE,0
$CF8_MAXERRORS,20
$AH0_24V,575
$AH0_10V,0
$MINV_24V,11
$MINV_10V,11
$MAXI_24V,5
$MAXI_10V,1.5
$FG_AHR_10V,59.97332
$FG_AHR_24V,162.3672
$PHONE_SUPPLY,2
$PRESSURE_YINT,-170.66119
$PRESSURE_SLOPE,0.00022638284
$COMPASS_USE,4
$ALTIM_PING_FIT,0
$ALTIM_TOP_PING_RANGE,0
$ALTIM_BOTTOM_TURN_MARGIN,0
$ALTIM_TOP_TURN_MARGIN,0
$ALTIM_TOP_MIN_OBSTACLE,1
$ALTIM_PING_DEPTH,0
$ALTIM_PING_DELTA,0
$ALTIM_FREQUENCY,13
$ALTIM_PULSE,3
$ALTIM_SENSITIVITY,2
$XPDR_VALID,4
$XPDR_INHIBIT,90
$XPDR_INT,0
$XPDR_REP,0
$INT_PRESSURE_SLOPE,1.9639999e-06
$INT_PRESSURE_YINT,0
$DEEPGLIDER,0
$DEEPGLIDERMB,0
$MOTHERBOARD,6
$DEVICE1,120
$DEVICE2,-1
$DEVICE3,-1
$DEVICE4,-1
$DEVICE5,-1
$DEVICE6,-1
$LOGGERS,1
$LOGGERDEVICE1,7
$LOGGERDEVICE2,-1
$LOGGERDEVICE3,-1
$LOGGERDEVICE4,-1
$COMPASS_DEVICE,66
$COMPASS2_DEVICE,-1
$PHONE_DEVICE,33
$GPS_DEVICE,48
$RAFOS_DEVICE,-1
$NETWORK_DEVICE,-1
$PRESSURE_DEVICE,34
$XPDR_DEVICE,21
$SIM_W,0
$SEABIRD_T_G,0.0043000001
$SEABIRD_T_H,0.00063999998
$SEABIRD_T_I,2.4999999e-05
$SEABIRD_T_J,4.3e-06
$SEABIRD_C_G,-10
$SEABIRD_C_H,1
$SEABIRD_C_I,-0.0020000001
$SEABIRD_C_J,0.00019999999
$SC_RECORDABOVE,2000.0
$SC_PROFILE,7.0
$SC_XMITPROFILE,7.0
$SC_NDIVE,1.0
$GPS1,200221,191932,4735.761,-12553.904,30,0.9,31,15.8
$_CALLS,1
$_SM_DEPTHo,0.69
$_SM_ANGLEo,-61.3
$GPS2,200221,192618,4735.763,-12553.858,2,0.7,3,15.8
$SPEED_LIMITS,0.170,0.192
$TGT_NAME,IN7
$TGT_LATLONG,4737.940,-12540.550
$TGT_RADIUS,7000.000
$KALMAN_CONTROL,0.000,0.000
$KALMAN_X,0.0,0.0,0.0,0.0,0.0
$KALMAN_Y,0.0,0.0,0.0,0.0,0.0
$MHEAD_RNG_PITCHd_Wd,60.6,17092,-24.0,-9.804,-27.02
$D_GRID,1000
$GCHEAD,st_secs,flags,vbd_ctl,pitch_ctl,roll_ctl,vbd_ad_start,vbd_pot1_ad_start,vbd_pot2_ad_start,pitch_ad_start,roll_ad_start,depth,ob_vertv,data_pts,end_secs,vbd_secs,pitch_secs,roll_secs,vbd_i,pitch_i,roll_i,vbd_ad,vbd_pot1_ad,vbd_pot2_ad,pitch_ad,roll_ad,vbd_errors,pitch_errors,roll_errors,vbd_volts,pitch_volts,roll_volts
$STATE,5,end surface,CONTROL_FINISHED_OK
$STATE,5,begin dive
$GC,7.55,16386,-77.86,-1.43,0.00,761.3,762.4,760.1,173.9,2083.2,0.00,0.00,0,87.74,79.57,0.00,0.00,0.005,0.000,0.000,2507.41,2486.94,2527.88,174.12,2082.31,0,0,0,14.95,30.00,30.00
$GC,88.02,18727,-77.86,-1.43,80.00,2505.7,2485.3,2526.0,173.9,2083.1,3.25,-3.51,15,119.89,7.93,14.34,3.84,0.007,0.253,0.113,2816.09,2809.81,2822.38,1792.62,3473.50,0,0,0,15.10,15.22,14.95
$GC,342.74,1028,-77.86,-1.43,0.00,2815.2,2808.8,2821.6,1792.6,3474.2,59.05,-21.48,66,348.47,0.00,0.00,3.47,0.000,0.000,0.062,2816.62,2810.56,2822.69,1792.31,2083.88,0,0,0,30.00,30.00,15.57
$GC,527.88,260,-77.86,-1.43,80.00,2815.3,2808.9,2821.8,1792.8,2084.7,89.10,-14.63,103,533.60,0.00,0.00,3.79,0.000,0.000,0.108,2815.59,2809.69,2821.50,1792.00,3474.62,0,0,0,30.00,30.00,15.52
$GC,721.71,1028,-77.86,-1.43,0.00,2815.3,2808.8,2821.8,1792.2,3474.5,115.48,-12.74,142,728.65,0.00,0.00,3.45,0.000,0.000,0.058,2817.09,2810.75,2823.44,1792.00,2081.94,0,0,0,30.00,30.00,15.62
$GC,1027.96,260,-77.86,-1.43,80.00,2815.8,2809.1,2822.5,1792.6,2081.8,149.70,-10.98,173,1033.70,0.00,0.00,3.80,0.000,0.000,0.109,2816.25,2810.50,2822.00,1791.75,3475.00,0,0,0,30.00,30.00,15.55
$GC,1086.81,1028,-77.86,-1.43,0.00,2816.0,2809.9,2822.1,1792.7,3474.7,157.19,-12.98,185,1093.72,0.00,0.00,3.42,0.000,0.000,0.057,2816.84,2810.25,2823.44,1792.44,2081.94,0,0,0,30.00,30.00,15.64
$GC,1393.05,260,-77.86,-1.43,80.00,2815.8,2809.1,2822.4,1792.8,2082.4,190.10,-11.21,216,1398.79,0.00,0.00,3.75,0.000,0.000,0.109,2818.72,2812.38,2825.06,1791.12,3472.81,0,0,0,30.00,30.00,15.55
$GC,1438.06,1028,-77.86,-1.43,0.00,2816.1,2809.8,2822.4,1792.2,3473.6,195.46,-11.89,225,1442.62,0.00,0.00,3.43,0.000,0.000,0.057,2818.69,2812.12,2825.25,1792.62,2081.75,0,0,0,30.00,30.00,15.66
$GC,1748.13,516,-77.86,-1.43,-80.00,2815.9,2809.3,2822.6,1792.4,2081.7,231.67,-12.01,257,1753.93,0.00,0.00,4.10,0.000,0.000,0.153,2817.72,2810.69,2824.75,1792.19,662.94,0,0,0,30.00,30.00,15.43
$GC,1817.26,1028,-77.86,-1.43,0.00,2815.8,2809.2,2822.4,1792.4,662.8,240.83,-12.99,271,1823.93,0.00,0.00,3.53,0.000,0.000,0.053,2816.53,2810.56,2822.50,1792.75,2121.88,0,0,0,30.00,30.00,15.70
$GC,2123.20,0,-77.86,-1.43,0.00,2816.1,2809.6,2822.5,1792.5,2121.7,276.59,-11.44,302,2124.53,0.00,0.00,0.00,0.000,0.000,0.000,2815.16,2809.00,2821.31,1792.12,2121.56,0,0,0,30.00,30.00,30.00
$GC,2423.31,0,-77.86,-1.43,0.00,2816.2,2809.8,2822.6,1792.4,2121.4,310.67,-11.39,332,2424.63,0.00,0.00,0.00,0.000,0.000,0.000,2816.16,2809.38,2822.94,1792.25,2121.81,0,0,0,30.00,30.00,30.00
$GC,2723.26,0,-77.86,-1.43,0.00,2816.0,2809.4,2822.7,1792.5,2121.9,343.36,-11.16,362,2724.59,0.00,0.00,0.00,0.000,0.000,0.000,2816.28,2809.50,2823.06,1792.19,2122.00,0,0,0,30.00,30.00,30.00
$GC,3023.29,516,-77.86,-1.43,-80.00,2815.9,2809.6,2822.1,1792.6,2121.7,377.90,-11.65,392,3029.13,0.00,0.00,4.25,0.000,0.000,0.155,2816.38,2809.56,2823.19,1792.19,663.19,0,0,0,30.00,30.00,15.39
$GC,3078.32,1028,-77.86,-1.43,0.00,2816.0,2810.1,2821.9,1792.6,663.2,385.16,-14.23,403,3083.89,0.00,0.00,3.54,0.000,0.000,0.055,2816.62,2809.62,2823.62,1792.06,2120.31,0,0,0,30.00,30.00,15.70
$GC,3383.35,260,-77.86,-1.43,80.00,2815.8,2809.1,2822.4,1792.4,2120.0,419.28,-11.32,434,3389.08,0.00,0.00,3.70,0.000,0.000,0.117,2818.53,2812.31,2824.75,1791.81,3474.50,0,0,0,30.00,30.00,15.51
$GC,3422.17,1028,-77.86,-1.43,0.00,2816.0,2809.6,2822.4,1792.9,3475.5,423.86,-11.95,442,3429.10,0.00,0.00,3.44,0.000,0.000,0.060,2818.34,2812.25,2824.44,1791.25,2082.94,0,0,0,30.00,30.00,15.62
$GC,3728.39,516,-77.86,-1.43,-80.00,2816.1,2809.6,2822.6,1792.5,2083.0,454.70,-9.49,473,3734.20,0.00,0.00,4.14,0.000,0.000,0.157,2814.94,2808.50,2821.38,1792.69,664.19,0,0,0,30.00,30.00,15.35
$GC,3823.40,1028,-77.86,-1.43,0.00,2815.7,2809.1,2822.2,1792.6,664.1,465.46,-11.61,492,3828.98,0.00,0.00,3.55,0.000,0.000,0.056,2818.12,2812.12,2824.12,1792.31,2118.81,0,0,0,30.00,30.00,15.68
$GC,4128.44,0,-77.86,-1.43,0.00,2815.9,2809.8,2821.9,1792.6,2119.2,493.72,-9.42,523,4129.76,0.00,0.00,0.00,0.000,0.000,0.000,2815.97,2809.62,2822.31,1791.62,2119.06,0,0,0,30.00,30.00,30.00
$STATE,4198,end dive,TARGET_DEPTH_EXCEEDED
$STATE,4198,begin apogee
$GC,4199.72,10243,0.00,-0.25,0.00,2815.7,2809.6,2821.8,1792.5,2083.1,500.31,-9.53,530,4270.33,65.43,2.21,0.07,1.644,0.148,0.259,2499.09,2506.44,2491.75,2079.94,2117.81,0,0,0,10.91,15.48,15.19
$STATE,4272,end apogee,CONTROL_FINISHED_OK
$STATE,4272,begin climb
$GC,4272.73,10243,77.86,1.43,0.00,2498.1,2504.9,2491.2,2080.0,2117.6,502.09,0.00,537,4350.08,70.44,2.90,0.00,1.604,0.084,0.000,2180.47,2191.81,2169.12,2491.88,2117.81,0,0,0,12.17,15.31,30.00
$GC,4648.49,8486,105.60,1.52,80.00,2172.1,2190.1,2154.0,2491.9,2117.8,478.40,7.48,575,4679.80,25.73,0.00,3.76,1.513,0.000,0.119,2067.28,2084.31,2050.25,2491.25,3473.75,0,0,0,11.55,30.00,15.30
$GC,4728.57,1092,105.60,1.53,0.00,2066.3,2085.4,2047.2,2491.6,3473.6,471.28,9.16,591,4734.06,0.00,0.00,3.52,0.000,0.000,0.059,2065.41,2085.00,2045.81,2491.88,2080.25,0,0,0,30.00,30.00,15.45
$GC,5033.53,2629,105.60,1.58,-80.00,2062.6,2085.4,2039.8,2491.8,2080.1,444.74,8.15,622,5039.39,0.00,0.20,4.04,0.000,0.087,0.141,2060.94,2083.56,2038.31,2534.69,663.06,0,0,0,30.00,15.59,15.42
$GC,5092.41,17414,105.60,1.58,0.00,2060.4,2081.0,2039.8,2535.2,663.1,437.75,12.27,634,5099.28,0.00,0.00,3.54,0.000,0.000,0.050,2060.84,2081.50,2040.19,2534.94,2124.56,0,0,0,30.00,30.00,15.63
$GC,5398.56,16646,105.60,1.58,80.00,2060.0,2081.1,2038.9,2535.6,2124.4,407.30,9.40,665,5404.13,0.00,0.00,3.68,0.000,0.000,0.114,2061.00,2081.25,2040.75,2533.69,3473.44,0,0,0,30.00,30.00,15.52
$GC,5513.58,17414,105.60,1.58,0.00,2060.0,2081.2,2038.8,2535.1,3474.4,394.46,10.90,688,5519.14,0.00,0.00,3.40,0.000,0.000,0.059,2058.16,2079.44,2036.88,2534.94,2078.62,0,0,0,30.00,30.00,15.65
$GC,5818.62,16450,105.60,1.62,0.00,2058.6,2080.8,2036.3,2535.2,2078.7,367.72,8.72,719,5819.96,0.00,0.00,0.00,0.000,0.000,0.000,2058.59,2081.00,2036.19,2535.06,2078.62,0,0,0,30.00,30.00,30.00
$GC,6118.65,16450,105.60,1.64,0.00,2058.1,2081.1,2035.1,2534.8,2078.6,340.52,9.06,749,6119.98,0.00,0.00,0.00,0.000,0.000,0.000,2058.50,2081.44,2035.56,2534.44,2078.56,0,0,0,30.00,30.00,30.00
$GC,6418.67,16710,105.60,1.68,80.00,2058.2,2081.5,2034.9,2535.3,2079.2,312.78,8.60,779,6424.28,0.00,0.00,3.83,0.000,0.000,0.113,2057.50,2080.25,2034.75,2535.75,3473.75,0,0,0,30.00,30.00,15.52
$GC,6547.50,17414,105.60,1.68,0.00,2057.8,2080.7,2034.9,2535.3,3473.6,300.77,9.67,805,6554.42,0.00,0.00,3.41,0.000,0.000,0.057,2058.56,2081.81,2035.31,2534.69,2078.81,0,0,0,30.00,30.00,15.67
$GC,6853.75,10791,130.78,1.75,-80.00,2057.5,2081.1,2033.9,2535.2,2079.2,277.58,7.69,836,6884.55,22.51,0.19,3.96,1.353,0.106,0.140,1965.38,1987.19,1943.56,2571.06,663.06,0,0,0,11.25,15.72,15.55
$GC,7097.71,1028,130.78,1.75,0.00,1961.6,1982.6,1940.5,2572.2,663.0,249.01,12.39,885,7104.57,0.00,0.00,3.57,0.000,0.000,0.052,1961.72,1982.81,1940.62,2571.88,2127.00,0,0,0,30.00,30.00,15.64
$GC,7403.92,580,130.78,1.77,-80.00,1959.7,1982.2,1937.1,2571.6,2127.2,219.98,9.07,916,7409.69,0.00,0.00,4.12,0.000,0.000,0.133,1958.75,1981.44,1936.06,2571.38,663.06,0,0,0,30.00,30.00,15.43
$GC,7512.82,1028,130.78,1.77,0.00,1959.8,1982.1,1937.5,2570.8,662.8,207.89,11.23,938,7519.67,0.00,0.00,3.55,0.000,0.000,0.050,1960.28,1982.62,1937.94,2570.94,2127.25,0,0,0,30.00,30.00,15.68
$GC,7819.00,580,130.78,1.80,-80.00,1959.3,1982.6,1936.1,2571.7,2127.4,180.34,8.99,969,7824.72,0.00,0.00,4.11,0.000,0.000,0.130,1957.97,1980.31,1935.62,2571.31,662.06,0,0,0,30.00,30.00,15.43
$GC,8047.95,1028,130.78,1.80,0.00,1958.9,1982.2,1935.6,2571.4,662.1,154.05,13.96,1015,8054.84,0.00,0.00,3.55,0.000,0.000,0.051,1958.81,1982.31,1935.31,2571.38,2125.81,0,0,0,30.00,30.00,15.67
$GC,8354.14,16966,130.78,1.85,-80.00,1958.3,1982.7,1933.9,2571.6,2126.2,125.16,8.20,1046,8359.78,0.00,0.00,4.08,0.000,0.000,0.128,1958.72,1982.38,1935.06,2571.50,661.94,0,0,0,30.00,30.00,15.43
$GC,8403.04,19527,130.78,1.89,0.00,1958.2,1982.7,1933.7,2571.4,662.1,121.04,8.37,1056,8409.94,0.00,0.17,3.53,0.000,0.093,0.049,1957.97,1980.81,1935.12,2607.25,2127.19,0,0,0,30.00,15.46,15.69
$GC,8709.19,10535,188.02,2.06,80.00,1958.1,1982.2,1934.0,2608.1,2127.7,101.56,5.01,1087,8766.79,48.28,0.20,3.67,1.199,0.081,0.111,1733.25,1759.38,1707.12,2649.44,3474.62,0,0,0,11.44,15.72,15.39
$GC,8964.59,1028,188.02,2.06,0.00,1726.8,1753.6,1699.9,2649.4,3475.1,73.21,11.32,1138,8970.33,0.00,0.00,3.46,0.000,0.000,0.054,1726.56,1753.44,1699.69,2649.06,2080.06,0,0,0,30.00,30.00,15.56
$GC,9149.71,10791,236.48,2.21,-80.00,1725.4,1753.6,1697.2,2649.6,2080.1,61.53,5.74,1175,9197.48,41.42,0.16,3.98,1.122,0.095,0.132,1535.75,1566.19,1505.31,2684.00,662.06,0,0,0,11.66,15.60,15.35
$GC,9420.30,1028,236.48,2.21,0.00,1530.3,1559.8,1500.8,2684.7,662.2,38.93,9.50,1229,9426.04,0.00,0.00,3.55,0.000,0.000,0.049,1530.69,1559.75,1501.62,2684.19,2127.44,0,0,0,30.00,30.00,15.57
$GC,9605.33,324,236.48,2.24,80.00,1528.7,1560.1,1497.2,2683.8,2127.9,22.60,8.72,1266,9611.09,0.00,0.00,3.66,0.000,0.000,0.106,1528.34,1559.00,1497.69,2684.50,3475.31,0,0,0,30.00,30.00,15.47
$STATE,9815,end climb,SURFACE_DEPTH_REACHED
$STATE,9815,begin surface coast
$STATE,9835,end surface coast,CONTROL_FINISHED_OK
$STATE,9835,begin surface
$SM_CCo,10027.60,163.01,1.038,0,768.3,761.6,775.1,424.78
$SM_CCo,10028.76,0.00,0.009,0,767.7,761.8,773.6,424.94
$SM_CCo,10029.93,0.00,2.656,0,768.8,763.4,774.2,424.66
$SM_GC,0.35,0.00,17.08,3.39,2.656,0.061,0.054,768.8,763.4,774.2,175.1,2079.1,0,0,0,30.36,15.54,15.67
$SUPER,27,71,254,1,0,0
$IRIDIUM_FIX,4736.20,-12553.42,200221,163317
$TCM_TEMP,191.03
$XPDR_PINGS,2,14.0,11.5
$SC_FREEKB,3609760
$HUMID,57.24
$TEMP,8.12
$INTERNAL_PRESSURE,7.79586
$24V_AH,14.03,192.242
$10V_AH,14.69,0.000
$FG_AHR_24Vo,162.548
$FG_AHR_10Vo,60.011
$DEVICES,VBD_pump,Pitch_motor,Roll_motor,Iridium,Transponder_ping,GPS,Core,LPSleep,Compass,RAFOS,Transponder,Compass2
$DEVICE_SECS,524.340,37.445,140.805,222.643,0.500,12.476,3905.898,6279.657,2180.563,0.000,0.000,0.000
$DEVICE_MAMPS,2656.224,253.296,258.544,212.275,420.000,15.000,11.800,2.800,5.000,0.000,0.000,0.000
$SENSORS,legato,nil,nil,nil,nil,nil,SciCon,nil,nil,nil
$SENSOR_SECS,0.000,0.000,0.000,0.000,0.000,0.000,9872.000,0.000,0.000,0.000
$SENSOR_MAMPS,0.000,0.000,0.000,0.000,0.000,0.000,6.495,0.000,0.000,0.000
$MEM,1099916,51,75812,114
$DATA_FILE_SIZE,48240,1312
$CAP_FILE_SIZE,487024,0
$SDSIZE,3918848,3739776
$SDFILEDIR,3286,1
$ERRORS,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0
$GPS,200221,221439,4735.918,-12553.461,44,0.9,45,15.8