Parameter values: Sort by alphabetical glider order
ID | 241 | FIX_MISSING_TIMEOUT | 0 | HEAD_ERRBAND | 10 | ALTIM_SENSITIVITY | 2 |
MISSION | 4 | TGT_DEFAULT_LAT | 4736 | ROLL_CNV | 0.054945 | XPDR_VALID | 4 |
DIVE | 5 | TGT_DEFAULT_LON | -12218 | ROLL_TIMEOUT | 15 | XPDR_INHIBIT | 90 |
N_DIVES | 5 | TGT_AUTO_DEFAULT | 0 | ROLL_MAXERRORS | 1 | XPDR_INT | 0 |
STOP_T | 0 | SM_CC | 603.25 | ROLL_ADJ_GAIN | 0 | XPDR_REP | 0 |
D_SURF | 2 | N_FILEKB | 8 | ROLL_ADJ_DBAND | 0 | INT_PRESSURE_SLOPE | 1.9639999e-06 |
D_FLARE | 3 | FILEMGR | 0 | VBD_MIN | 500 | INT_PRESSURE_YINT | -1.4 |
D_TGT | 160 | CALL_NDIVES | 1 | VBD_MAX | 3960 | DEEPGLIDER | 0 |
D_ABORT | 170 | COMM_SEQ | 15 | C_VBD | 3000 | DEEPGLIDERMB | 0 |
D_NO_BLEED | 500 | PROTOCOL | 9 | VBD_DBAND | 2 | MOTHERBOARD | 6 |
D_BOOST | 0 | N_NOCOMM | 1 | VBD_CNV | -0.24529999 | DEVICE1 | -1 |
T_BOOST | 0 | NOCOMM_ACTION | 163 | VBD_LP_IGNORE | 0 | DEVICE2 | -1 |
D_FINISH | 0 | N_NOSURFACE | 0 | VBD_TIMEOUT | 720 | DEVICE3 | -1 |
D_PITCH | 0 | UPLOAD_DIVES_MAX | -1 | PITCH_VBD_SHIFT | 0.0012300001 | DEVICE4 | -1 |
D_SAFE | 0 | CALL_TRIES | 5 | UNCOM_BLEED | 20 | DEVICE5 | -1 |
D_CALL | 0 | CALL_WAIT | 60 | VBD_MAXERRORS | 1 | DEVICE6 | -1 |
SURFACE_URGENCY | 0 | CAPUPLOAD | 0 | C_VBD_AUTO_DELTA | 0.5 | LOGGERS | 7 |
SURFACE_URGENCY_TRY | 0 | CAPMAXSIZE | 100000 | C_VBD_AUTO_MAX | 100 | LOGGERDEVICE1 | 7 |
SURFACE_URGENCY_FORCE | 0 | T_GPS | 5 | W_ADJ_DBAND | 0 | LOGGERDEVICE2 | -1 |
T_DIVE | 55 | N_GPS | 100440 | DBDW | 0 | LOGGERDEVICE3 | -1 |
T_MISSION | 70 | T_RSLEEP | 3 | LOITER_W_DBAND | 0 | LOGGERDEVICE4 | -1 |
T_ABORT | 1440 | STROBE | 0 | LOITER_DBDW | 0 | COMPASS_DEVICE | 69 |
T_TURN | 225 | RAFOS_PEAK_OFFSET | 0 | LOITER_D_TOP | 0 | COMPASS2_DEVICE | -1 |
T_TURN_SAMPINT | -5 | RAFOS_CORR_THRESH | 60 | LOITER_D_BOTTOM | 0 | PHONE_DEVICE | 33 |
T_NO_W | 60 | RAFOS_HIT_WINDOW | 3600 | LOITER_N_DIVE | 0 | GPS_DEVICE | 48 |
T_LOITER | 0 | RAFOS_MMODEM | 0 | CF8_MAXERRORS | 20 | RAFOS_DEVICE | 96 |
T_EPIRB | 0 | PITCH_MIN | 210 | AH0_24V | 575 | NAV_DEVICE | 6 |
USE_BATHY | -1 | PITCH_MAX | 3628 | AH0_10V | 0 | NAV2_DEVICE | 6 |
USE_ICE | 0 | C_PITCH | 1700 | MINV_24V | 11 | NETWORK_DEVICE | 1 |
ICE_FREEZE_MARGIN | 0.30000001 | PITCH_DBAND | 0.1 | MINV_10V | 11 | PRESSURE_DEVICE | 37 |
D_OFFGRID | 100 | PITCH_CNV | 0.0041299998 | MAXI_24V | 3 | XPDR_DEVICE | -1 |
RELAUNCH | 1 | PITCH_GAIN | 18.644285 | MAXI_10V | 1.5 | SIM_W | 0 |
APOGEE_PITCH | -5 | PITCH_TIMEOUT | 30 | FG_AHR_10V | 18.573235 | SEABIRD_T_G | 0.0043000001 |
MAX_BUOY | 150 | PITCH_MAXERRORS | 1 | FG_AHR_24V | 24.081511 | SEABIRD_T_H | 0.00063999998 |
GLIDE_SLOPE | 30 | PITCH_ADJ_GAIN | 0.029999999 | PHONE_SUPPLY | 2 | SEABIRD_T_I | 2.4999999e-05 |
SPEED_FACTOR | 1 | PITCH_ADJ_DBAND | 1 | PRESSURE_YINT | -188.51822 | SEABIRD_T_J | 4.3e-06 |
RHO | 1.023 | C_PITCH_AUTO_DELTA | 0.5 | PRESSURE_SLOPE | 0.00022588584 | SEABIRD_C_G | -10 |
MASS | 72520 | C_PITCH_AUTO_MAX | 200 | COMPASS_USE | 49156 | SEABIRD_C_H | 1 |
NAV_MODE | 2 | PITCH_GAIN_AUTO_DELTA | 0.5 | ALTIM_PING_FIT | 0 | SEABIRD_C_I | -0.0020000001 |
FERRY_MAX | 45 | PITCH_GAIN_AUTO_MAX | 2 | ALTIM_TOP_PING_RANGE | 0 | SEABIRD_C_J | 0.00019999999 |
KALMAN_USE | 2 | PITCH_W_GAIN | 0 | ALTIM_BOTTOM_TURN_MARGIN | 0 | OPTIONS | 0 |
HD_A | 0.003 | PITCH_W_DBAND | 0 | ALTIM_TOP_TURN_MARGIN | 0 | SC_RECORDABOVE | 2000.0 |
HD_B | 0.0099999998 | ROLL_MIN | 215 | ALTIM_TOP_MIN_OBSTACLE | 1 | SC_PROFILE | 3.0 |
HD_C | 1.6e-05 | ROLL_MAX | 3820 | ALTIM_PING_DEPTH | 0 | SC_XMITPROFILE | 3.0 |
HEADING | -1 | ROLL_DEG | 80 | ALTIM_PING_DELTA | 0 | SC_NDIVE | 1.0 |
ESCAPE_HEADING | 0 | C_ROLL_DIVE | 2150 | ALTIM_FREQUENCY | 13 | ||
ESCAPE_HEADING_DELTA | 10 | C_ROLL_CLIMB | 2150 | ALTIM_PULSE | 3 |
Pre-dive calculations and measurements:
GPS1 |   210522,201650,4736.495,-12256.596,2,1.1,5,15.5 | TGT_RADIUS |   300.000 |
_CALLS |   1 | KALMAN_CONTROL |   0.000,0.000 |
_SM_DEPTHo |   1.60 | KALMAN_X |   0.0,0.0,0.0,0.0,0.0 |
_SM_ANGLEo |   -56.5 | KALMAN_Y |   0.0,0.0,0.0,0.0,0.0 |
GPS2 |   210522,202001,4736.479,-12256.600,2,0.9,4,15.5 | MHEAD_RNG_PITCHd_Wd |   349.1,997,-17.3,-9.697,-21.02,2224,0.144 |
SPEED_LIMITS |   0.168,0.255 | D_GRID |   167 |
TGT_NAME |   N | IRON |   1.000000,0.026336,0.017009,-0.002088,1.079494,-0.041863,0.021636,-0.069830,1.053286,462.883667,-1287.684814,-265.922333 |
TGT_LATLONG |   4737.000,-12256.400 |
Post-dive calculations and measurements:
NAV |   1653168014,2.9,0,stop | FG_AHR_24Vo |   24.249 |
NET |   CAXST,7,20220521,212010.290019,3,0,200,5000,10000,1,241,235,0,0,1,5,0,10000*5D | FG_AHR_10Vo |   18.610 |
NET_PING |   1653166819,235,1680.335938,12.200000,-3.244350 | MEM0 |   60148,1,0,0 |
FINISH |   0.9,1.020296 | MEM1 |   65508,1,0,0 |
SM_CCo |   3900.53,238.74,0.914,0,541.5,613.8,469.2,603.08 | MEM2 |   944704,30,101984,64 |
SM_GC |   1.52,238.74,11.50,0.09,0.914,0.085,0.150,541.5,613.8,469.2,193.4,2179.1,0,0,0,11.60,15.86,15.89 | DATA_FILE_SIZE |   12903,513 |
SUPER |   19,71,254,1,0,0 | CAP_FILE_SIZE |   298026,0 |
IRIDIUM_FIX |   4737.46,-12258.89,210522,190739 | SDSIZE |   3887104,3872448 |
TCM_TEMP |   12.71 | SDFILEDIR |   70,1 |
SC_FREEKB |   3877184 | ERRORS |   0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
RAFOS_CLK |   0 | SOUNDSPEED |   1465.0 |
RAFOS_FIX |   0.000000,0.000000,010170,000000,0,0,0.00 | CURRENT |   0.055, 25.6,1 |
HUMID |   48.14 | MAGCAL |   1.000000,-0.005217,0.041964,0.009388,1.067647,-0.041879,-0.020396,-0.063624,1.035092,433.8,-1281.7,-264.7,30,0.0282,0 |
TEMP |   10.20 | IMPLIED_C_PITCH |   1747,18.04,293,1723.3,18.34 |
INTERNAL_PRESSURE |   8.08599 | IMPLIED_C_VBD |   2922,22.104065,293,2960.8 |
_24V_AH |   14.77,4.168 | GPS |   210522,212600,4737.035,-12256.474,4,2.0,9,15.5 |
_10V_AH |   14.80,0.000 |
Energy measurements:
device | secs | mA | J | sensor | secs | mA | J |
VBD_pump | 682 | 1125 | 11343.79 | nil | 0 | 0 | 0.00 |
Pitch_motor | 26 | 283 | 112.19 | nil | 0 | 0 | 0.00 |
Roll_motor | 64 | 190 | 182.39 | nil | 0 | 0 | 0.00 |
Iridium | 127 | 204 | 384.88 | nil | 0 | 0 | 0.00 |
Transponder_ping | 0 | 0 | 0.00 | nil | 0 | 0 | 0.00 |
GPS | 13 | 15 | 2.90 | nil | 0 | 0 | 0.00 |
Core | 2088 | 5 | 158.28 | SciCon | 3645 | 6 | 369.80 |
Fast | 0 | 0 | 0.00 | nil | 0 | 0 | 0.00 |
Slow | 0 | 0 | 0.00 | nil | 0 | 0 | 0.00 |
LPSleep | 1742 | 0 | 8.25 | ||||
Compass | 1037 | 5 | 76.76 | ||||
RAFOS | 2421 | 40 | 1433.68 | ||||
Transponder | 0 | 0 | 0.00 | ||||
Compass2 | 0 | 0 | 0.00 | ||||
Altimeter Analysis:
m=0.0,R=0.0,N=0 | m=0.6,R=0.8,N=2 | ||||||||
depth | range | fit R | obstacle | m | R | fit R | obstacle | m | R |
Guidance and control:
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 |
6 | end surface: CONTROL_FINISHED_OK | |||||||||||||||||||||||||||||
state | 6 | begin dive | ||||||||||||||||||||||||||||
6.49 | 16386 | -143.25 | -1.11 | 0.00 | 537.0 | 611.3 | 462.8 | 195.1 | 2110.5 | 0.00 | 0.00 | 0 | 110.37 | 101.36 | 0.00 | 0.00 | 0.005 | 0.000 | 0.000 | 2786.81 | 2756.19 | 2817.44 | 195.00 | 2110.06 | 0 | 0 | 0 | 15.63 | 30.00 | 30.00 |
110.60 | 18727 | -146.63 | -1.11 | 80.00 | 2785.9 | 2755.8 | 2816.1 | 194.8 | 2109.8 | 3.46 | -4.47 | 19 | 152.92 | 24.33 | 10.07 | 3.69 | 0.006 | 0.283 | 0.111 | 3596.34 | 3585.19 | 3607.50 | 1431.00 | 3618.31 | 0 | 0 | 0 | 15.79 | 15.62 | 15.74 |
195.98 | 3205 | -146.63 | -0.77 | 0.00 | 3597.4 | 3587.1 | 3607.7 | 1431.3 | 3618.7 | 15.11 | -16.72 | 36 | 201.73 | 0.00 | 0.58 | 3.45 | 0.000 | 0.192 | 0.053 | 3597.47 | 3587.94 | 3607.00 | 1513.62 | 2119.75 | 0 | 0 | 0 | 30.00 | 15.72 | 15.78 |
385.99 | 0 | -146.63 | -0.77 | 0.00 | 3598.2 | 3593.8 | 3602.6 | 1513.5 | 2120.1 | 36.88 | -9.92 | 74 | 390.12 | 0.00 | 0.00 | 0.00 | 0.000 | 0.000 | 0.000 | 3598.12 | 3594.00 | 3602.25 | 1513.25 | 2119.44 | 0 | 0 | 0 | 30.00 | 30.00 | 30.00 |
571.02 | 292 | -146.63 | -0.77 | 80.00 | 3598.0 | 3594.0 | 3602.1 | 1513.0 | 2119.2 | 53.82 | -9.54 | 107 | 576.00 | 0.00 | 0.00 | 3.69 | 0.000 | 0.000 | 0.112 | 3598.50 | 3595.25 | 3601.75 | 1513.38 | 3617.56 | 0 | 0 | 0 | 30.00 | 30.00 | 15.88 |
641.03 | 1156 | -146.63 | -0.70 | 0.00 | 3597.8 | 3594.4 | 3601.2 | 1513.6 | 3617.6 | 61.24 | -10.58 | 121 | 645.93 | 0.00 | 0.00 | 3.45 | 0.000 | 0.000 | 0.052 | 3599.19 | 3595.81 | 3602.56 | 1513.31 | 2118.25 | 0 | 0 | 0 | 30.00 | 30.00 | 15.92 |
831.04 | 292 | -146.63 | -0.70 | 80.00 | 3598.2 | 3595.4 | 3601.1 | 1513.1 | 2118.2 | 78.37 | -8.78 | 141 | 835.97 | 0.00 | 0.00 | 3.68 | 0.000 | 0.000 | 0.111 | 3598.38 | 3594.94 | 3601.81 | 1513.69 | 3617.69 | 0 | 0 | 0 | 30.00 | 30.00 | 15.92 |
891.05 | 3205 | -146.63 | -0.65 | 0.00 | 3597.8 | 3593.7 | 3601.9 | 1514.4 | 3617.9 | 84.58 | -10.65 | 153 | 896.01 | 0.00 | 0.19 | 3.43 | 0.000 | 0.186 | 0.051 | 3598.41 | 3595.25 | 3601.56 | 1540.88 | 2118.25 | 0 | 0 | 0 | 30.00 | 15.89 | 15.96 |
1081.08 | 420 | -146.63 | -0.74 | 80.00 | 3598.9 | 3595.8 | 3602.1 | 1541.5 | 2118.2 | 99.98 | -7.83 | 173 | 1086.00 | 0.00 | 0.00 | 3.67 | 0.000 | 0.000 | 0.112 | 3599.28 | 3596.19 | 3602.38 | 1541.12 | 3616.44 | 0 | 0 | 0 | 30.00 | 30.00 | 15.98 |
1125.35 | 5285 | -146.63 | -0.77 | 0.00 | 3598.6 | 3596.1 | 3601.1 | 1541.1 | 3616.1 | 104.13 | -9.36 | 182 | 1131.77 | 0.00 | 0.27 | 3.42 | 0.000 | 0.090 | 0.051 | 3599.53 | 3597.06 | 3602.00 | 1500.31 | 2117.75 | 0 | 0 | 0 | 30.00 | 16.00 | 16.02 |
1319.07 | 0 | -146.63 | -0.77 | 0.00 | 3599.0 | 3595.7 | 3602.3 | 1500.1 | 2116.6 | 123.61 | -10.28 | 202 | 1320.40 | 0.00 | 0.00 | 0.00 | 0.000 | 0.000 | 0.000 | 3597.88 | 3595.38 | 3600.38 | 1500.44 | 2116.75 | 0 | 0 | 0 | 30.00 | 30.00 | 30.00 |
1509.07 | 260 | -146.63 | -0.77 | 80.00 | 3599.0 | 3596.2 | 3601.7 | 1500.5 | 2117.2 | 142.81 | -10.26 | 221 | 1514.02 | 0.00 | 0.00 | 3.66 | 0.000 | 0.000 | 0.112 | 3599.25 | 3596.25 | 3602.25 | 1500.06 | 3621.38 | 0 | 0 | 0 | 30.00 | 30.00 | 16.04 |
1573.37 | 3205 | -146.63 | -0.70 | 0.00 | 3598.7 | 3596.0 | 3601.3 | 1500.3 | 3620.9 | 150.47 | -11.99 | 234 | 1579.80 | 0.00 | 0.26 | 3.42 | 0.000 | 0.179 | 0.052 | 3599.44 | 3596.62 | 3602.25 | 1530.69 | 2119.44 | 0 | 0 | 0 | 30.00 | 16.02 | 16.07 |
1689 | end dive: TARGET_DEPTH_EXCEEDED | |||||||||||||||||||||||||||||
state | 1689 | begin apogee | ||||||||||||||||||||||||||||
1690.22 | 10243 | 0.00 | -0.27 | 0.00 | 3599.1 | 3596.8 | 3601.4 | 1531.3 | 2180.7 | 160.67 | -8.56 | 246 | 1803.40 | 110.62 | 0.73 | 0.10 | 1.125 | 0.159 | 0.191 | 2998.59 | 3051.25 | 2945.94 | 1635.19 | 2113.00 | 0 | 0 | 0 | 11.78 | 16.03 | 15.69 |
1804 | end apogee: CONTROL_FINISHED_OK | |||||||||||||||||||||||||||||
state | 1804 | begin climb | ||||||||||||||||||||||||||||
1804.26 | 10243 | 146.63 | 1.11 | 0.00 | 2999.1 | 3051.8 | 2946.4 | 1635.1 | 2113.4 | 165.78 | 0.00 | 257 | 1923.75 | 114.57 | 2.38 | 0.00 | 1.076 | 0.141 | 0.000 | 2399.41 | 2468.31 | 2330.50 | 1970.25 | 2113.81 | 0 | 0 | 0 | 11.56 | 15.66 | 30.00 |
2109.11 | 8226 | 163.30 | 1.13 | 0.00 | 2396.1 | 2460.0 | 2332.2 | 1969.9 | 2113.3 | 143.32 | 8.93 | 288 | 2125.36 | 14.81 | 0.00 | 0.00 | 0.961 | 0.000 | 0.000 | 2334.78 | 2401.88 | 2267.69 | 1970.69 | 2113.12 | 0 | 0 | 0 | 11.54 | 30.00 | 30.00 |
2309.11 | 260 | 163.30 | 1.13 | 80.00 | 2330.9 | 2396.2 | 2265.5 | 1970.3 | 2113.1 | 124.23 | 9.88 | 308 | 2324.66 | 0.00 | 0.00 | 3.74 | 0.000 | 0.000 | 0.117 | 2331.56 | 2396.75 | 2266.38 | 1969.81 | 3619.44 | 0 | 0 | 0 | 30.00 | 30.00 | 15.80 |
2362.00 | 1156 | 163.30 | 1.05 | 0.00 | 2329.2 | 2393.6 | 2264.8 | 1970.2 | 3619.1 | 118.08 | 11.82 | 317 | 2368.37 | 0.00 | 0.00 | 3.47 | 0.000 | 0.000 | 0.053 | 2330.59 | 2394.56 | 2266.62 | 1968.75 | 2121.88 | 0 | 0 | 0 | 30.00 | 30.00 | 15.84 |
2557.74 | 0 | 163.30 | 1.05 | 0.00 | 2329.6 | 2393.6 | 2265.6 | 1970.1 | 2121.9 | 98.38 | 10.40 | 337 | 2559.08 | 0.00 | 0.00 | 0.00 | 0.000 | 0.000 | 0.000 | 2327.47 | 2391.38 | 2263.56 | 1970.19 | 2122.00 | 0 | 0 | 0 | 30.00 | 30.00 | 30.00 |
2747.77 | 292 | 164.70 | 1.05 | 80.00 | 2329.4 | 2393.6 | 2265.2 | 1969.4 | 2121.9 | 79.28 | 9.63 | 356 | 2752.75 | 0.00 | 0.00 | 3.70 | 0.000 | 0.000 | 0.116 | 2329.47 | 2393.44 | 2265.50 | 1969.50 | 3616.69 | 0 | 0 | 0 | 30.00 | 30.00 | 15.89 |
2777.78 | 5253 | 164.70 | 1.00 | 0.00 | 2328.8 | 2392.0 | 2265.6 | 1970.2 | 3615.9 | 76.10 | 10.15 | 362 | 2782.76 | 0.00 | 0.28 | 3.44 | 0.000 | 0.182 | 0.052 | 2328.97 | 2392.44 | 2265.50 | 1937.62 | 2120.56 | 0 | 0 | 0 | 30.00 | 15.87 | 15.93 |
2967.81 | 10663 | 212.04 | 1.17 | 80.00 | 2328.9 | 2392.4 | 2265.4 | 1937.1 | 2120.4 | 61.58 | 7.52 | 382 | 3013.62 | 37.97 | 0.34 | 3.71 | 1.005 | 0.086 | 0.116 | 2136.31 | 2214.56 | 2058.06 | 1990.31 | 3616.38 | 0 | 0 | 0 | 11.63 | 15.94 | 15.81 |
3047.82 | 1156 | 212.04 | 1.12 | 0.00 | 2132.2 | 2208.4 | 2055.9 | 1990.4 | 3616.4 | 52.95 | 12.25 | 398 | 3052.71 | 0.00 | 0.00 | 3.46 | 0.000 | 0.000 | 0.051 | 2132.44 | 2208.94 | 2055.94 | 1989.25 | 2120.38 | 0 | 0 | 0 | 30.00 | 30.00 | 15.85 |
3235.50 | 128 | 212.04 | 1.16 | 0.00 | 2130.9 | 2205.7 | 2056.1 | 1990.4 | 2121.0 | 33.29 | 10.43 | 433 | 3239.61 | 0.00 | 0.00 | 0.00 | 0.000 | 0.000 | 0.000 | 2130.94 | 2205.94 | 2055.94 | 1991.06 | 2120.25 | 0 | 0 | 0 | 30.00 | 30.00 | 30.00 |
3420.54 | 8614 | 239.49 | 1.25 | 80.00 | 2130.4 | 2204.4 | 2056.4 | 1990.9 | 2120.2 | 16.25 | 8.43 | 470 | 3451.51 | 22.44 | 0.00 | 3.70 | 0.938 | 0.000 | 0.116 | 2023.44 | 2105.44 | 1941.44 | 1988.62 | 3617.50 | 0 | 0 | 0 | 11.74 | 30.00 | 15.84 |
3480.54 | 11431 | 260.32 | 1.33 | 0.00 | 2020.2 | 2100.4 | 1939.9 | 1990.6 | 3617.6 | 11.22 | 8.74 | 482 | 3506.40 | 17.77 | 0.19 | 3.46 | 0.899 | 0.100 | 0.052 | 1939.78 | 2026.69 | 1852.88 | 2029.50 | 2120.56 | 0 | 0 | 0 | 11.70 | 15.87 | 15.89 |
3603 | end climb: SURFACE_DEPTH_REACHED | |||||||||||||||||||||||||||||
state | 3603 | begin surface coast | ||||||||||||||||||||||||||||
3638 | end surface coast: CONTROL_FINISHED_OK | |||||||||||||||||||||||||||||
state | 3638 | begin surface |