Parameter values: Sort by alphabetical glider order
ID | 142 | HD_C | 9.9999997e-06 | PITCH_MAXERRORS | 1 | ALTIM_TOP_PING_RANGE | 0 |
MISSION | 5 | HEADING | -1 | PITCH_ADJ_GAIN | 0.02 | ALTIM_BOTTOM_TURN_MARGIN | 0 |
DIVE | 274 | ESCAPE_HEADING | 0 | PITCH_ADJ_DBAND | 2 | ALTIM_TOP_TURN_MARGIN | 0 |
D_SURF | 2 | ESCAPE_HEADING_DELTA | 10 | ROLL_MIN | 220 | ALTIM_TOP_MIN_OBSTACLE | 1 |
D_FLARE | 3 | FIX_MISSING_TIMEOUT | 0 | ROLL_MAX | 3900 | ALTIM_PING_DEPTH | 0 |
D_TGT | 990 | TGT_DEFAULT_LAT | 5900 | ROLL_DEG | 40 | ALTIM_PING_DELTA | 0 |
D_ABORT | 1040 | TGT_DEFAULT_LON | -2030 | C_ROLL_DIVE | 2300 | ALTIM_FREQUENCY | 13 |
D_NO_BLEED | 350 | TGT_AUTO_DEFAULT | 0 | C_ROLL_CLIMB | 2750 | ALTIM_PULSE | 3 |
D_FINISH | 0 | SM_CC | 200 | HEAD_ERRBAND | 15 | ALTIM_SENSITIVITY | 3 |
D_PITCH | 0 | N_FILEKB | 4 | ROLL_CNV | 0.028270001 | INT_PRESSURE_SLOPE | 0.0097660003 |
D_SAFE | 0 | FILEMGR | 0 | ROLL_TIMEOUT | 15 | INT_PRESSURE_YINT | -1.65 |
D_CALL | 0 | CALL_NDIVES | 1 | R_PORT_OVSHOOT | 19 | DEEPGLIDER | 0 |
SURFACE_URGENCY | 0 | COMM_SEQ | 0 | R_STBD_OVSHOOT | 24 | DEEPGLIDERMB | 0 |
SURFACE_URGENCY_TRY | 0 | KERMIT | 0 | ROLL_AD_RATE | 250 | MOTHERBOARD | 4 |
SURFACE_URGENCY_FORCE | 0 | N_NOCOMM | 1 | ROLL_MAXERRORS | 1 | DEVICE1 | 2 |
T_DIVE | 330 | N_NOSURFACE | 0 | ROLL_ADJ_GAIN | 3 | DEVICE2 | 20 |
T_MISSION | 360 | UPLOAD_DIVES_MAX | -1 | ROLL_ADJ_DBAND | 0.029999999 | DEVICE3 | 53 |
T_ABORT | 720 | CALL_TRIES | 5 | VBD_MIN | 475 | DEVICE4 | 35 |
T_TURN | 225 | CALL_WAIT | 60 | VBD_MAX | 3964 | DEVICE5 | 87 |
T_TURN_SAMPINT | 5 | CAPUPLOAD | 0 | C_VBD | 3071 | DEVICE6 | -1 |
T_NO_W | 240 | CAPMAXSIZE | 100000 | VBD_DBAND | 2 | SMARTS | 0 |
USE_BATHY | 0 | HEAPDBG | 0 | VBD_CNV | -0.24529999 | SMARTDEVICE1 | -1 |
USE_ICE | 0 | T_GPS | 15 | VBD_TIMEOUT | 720 | SMARTDEVICE2 | -1 |
ICE_FREEZE_MARGIN | 0.30000001 | N_GPS | 20 | PITCH_VBD_SHIFT | 0.0012300001 | COMPASS_DEVICE | 33 |
D_OFFGRID | 100 | T_GPS_ALMANAC | 0 | VBD_PUMP_AD_RATE_SURFACE | 4 | PHONE_DEVICE | 48 |
T_WATCHDOG | 10 | T_GPS_CHARGE | -18183.666 | VBD_PUMP_AD_RATE_APOGEE | 3 | GPS_DEVICE | 32 |
RELAUNCH | 1 | T_RSLEEP | 3 | VBD_BLEED_AD_RATE | 8 | RAFOS_DEVICE | -1 |
APOGEE_PITCH | -5 | RAFOS_PEAK_OFFSET | 1.5 | UNCOM_BLEED | 20 | XPDR_DEVICE | 24 |
MAX_BUOY | 200 | RAFOS_CORR_THRESH | 60 | VBD_MAXERRORS | 1 | SIM_W | 0 |
COURSE_BIAS | 0 | RAFOS_HIT_WINDOW | 3600 | CF8_MAXERRORS | 20 | SIM_PITCH | 0 |
GLIDE_SLOPE | 30 | PITCH_MIN | 1435 | AH0_24V | 150 | SEABIRD_T_G | 0.0043273787 |
SPEED_FACTOR | 1 | PITCH_MAX | 3965 | AH0_10V | 100 | SEABIRD_T_H | 0.0006414231 |
RHO | 1.0273 | C_PITCH | 2920 | PRESSURE_YINT | -2.876246 | SEABIRD_T_I | 2.3931538e-05 |
MASS | 51804 | PITCH_DBAND | 0.1 | PRESSURE_SLOPE | 9.1518581e-05 | SEABIRD_T_J | 2.340664e-06 |
NAV_MODE | 2 | PITCH_CNV | 0.0046000001 | AD7714Ch0Gain | 64 | SEABIRD_C_G | -10.258962 |
FERRY_MAX | 45 | P_OVSHOOT | 0.039999999 | TCM_PITCH_OFFSET | 0 | SEABIRD_C_H | 1.1819305 |
KALMAN_USE | 2 | PITCH_GAIN | 24 | TCM_ROLL_OFFSET | 0 | SEABIRD_C_I | -0.0037964056 |
HD_A | 0.003 | PITCH_TIMEOUT | 15 | COMPASS_USE | 0 | SEABIRD_C_J | 0.00031207138 |
HD_B | 0.0099999998 | PITCH_AD_RATE | 100 | ALTIM_BOTTOM_PING_RANGE | 0 |
Pre-dive calculations and measurements:
GPS1 |   192938,6148.236,-2618.315,34,1.3,34,-18.8 | TGT_NAME |   SW |
_CALLS |   1 | TGT_LATLONG |   6145.370,-2622.980 |
_XMS_NAKs |   0 | TGT_RADIUS |   2000.000 |
_XMS_TOUTs |   0 | KALMAN_CONTROL |   0.000,0.000 |
_SM_DEPTHo |   0.76 | KALMAN_X |   0.0,0.0,0.0,0.0,0.0 |
_SM_ANGLEo |   -51.7 | KALMAN_Y |   0.0,0.0,0.0,0.0,0.0 |
GPS2 |   193651,6148.204,-2618.316,12,1.4,12,-18.8 | MHEAD_RNG_PITCHd_Wd |   232.5,6652,-14.9,-10.000 |
SPEED_LIMITS |   0.173,0.295 | D_GRID |   990 |
Post-dive calculations and measurements:
FINISH |   0.2,1.026072 | _24V_AH |   19.1,86.113 |
SM_CCo |   15831,0.00,0.000,0,0,1133,475.15 | _10V_AH |   9.8,60.100 |
SM_GC |   0.64,8.80,0.00,0.00,0.044,0.000,0.000,1434,2296,1133,-6.80,-0.11,475.15 | DATA_FILE_SIZE |   126403,1758 |
IRIDIUM_FIX |   6126.23,-2609.48,260897,151521 | CAP_FILE_SIZE |   147067,0 |
TT8_MAMPS |   0.026845 | CFSIZE |   260165632,230449152 |
HUMID |   1789 | ERRORS |   0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
INTERNAL_PRESSURE |   8.87775 | CURRENT |   0.084,136.4,1 |
TCM_TEMP |   16.20 | GPS |   020608,000208,6145.782,-2620.347,28,1.0,28,-18.8 |
XPDR_PINGS |   860 |
Energy measurements:
device | secs | mA | J | sensor | secs | mA | J |
Pitch_motor | 24 | 250 | 116.29 | SBE_CT | 1256 | 24 | 575.88 |
Roll_motor | 90 | 98 | 169.51 | SBE_O2 | 1268 | 19 | 460.18 |
VBD_pump_during_apogee | 708 | 1494 | 20234.28 | Optode | 697 | 33 | 439.75 |
VBD_pump_during_surface | 0 | 0 | 0.00 | WL_BB2F | 1646 | 105 | 3302.52 |
VBD_valve | 0 | 0 | 0.00 | WL_BBFL2VMT | 0 | 105 | 0.00 |
Iridium_during_init | 31 | 103 | 61.11 | nil | 0 | 0 | 0.00 |
Iridium_during_connect | 38 | 160 | 117.89 | nil | 0 | 0 | 0.00 |
Iridium_during_xfer | 224 | 223 | 958.04 | ||||
Transponder_ping | 215 | 420 | 1724.73 | ||||
Mmodem_TX | 0 | 0 | 0.00 | ||||
Mmodem_RX | 0 | 0 | 0.00 | ||||
GPS | 14 | 50 | 6.96 | ||||
TT8 | 3529 | 19 | 684.85 | ||||
LPSleep | 8094 | 2 | 173.73 | ||||
TT8_Active | 833 | 19 | 161.75 | ||||
TT8_Sampling | 3190 | 39 | 1244.60 | ||||
TT8_CF8 | 602 | 45 | 270.28 | ||||
TT8_Kalman | 0 | 0 | 0.00 | ||||
Analog_circuits | 2256 | 12 | 265.41 | ||||
GPS_charging | 0 | 0 | 0.00 | ||||
Compass | 3176 | 8 | 249.01 | ||||
RAFOS | 0 | 0 | 0.00 | ||||
Guidance and control:
st_secs | pitch_ctl | vbd_ctl | depth | ob_vertv | data_pts | end_secs | pitch_secs | roll_secs | vbd_secs | vbd_i | gcphase | pitch_i | roll_i | pitch_ad | roll_ad | vbd_ad |
18 | end surface: CONTROL_FINISHED_OK | |||||||||||||||
state | 19 | begin dive | ||||||||||||||
21 | -0.86 | -194.7 | 0.0 | 0.0 | 0 | 153 | 0.00 | 0.00 | -128.70 | 0.000 | 2 | 0.000 | 0.000 | 1435 | 2297 | 3676 |
156 | -0.86 | -194.7 | 4.0 | -6.0 | 17 | 180 | 11.95 | 2.85 | -4.55 | 0.000 | 4 | 0.251 | 0.056 | 2725 | 881 | 3865 |
310 | -0.77 | -194.7 | 34.0 | -13.8 | 43 | 319 | 0.17 | 2.75 | 0.00 | 0.000 | 6 | 0.140 | 0.030 | 2749 | 2311 | 3866 |
454 | -0.77 | -194.7 | 51.1 | -11.4 | 68 | 461 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2311 | 3866 |
798 | -0.77 | -194.7 | 89.6 | -11.1 | 129 | 805 | 0.00 | 2.85 | 0.00 | 0.000 | 4 | 0.000 | 0.048 | 2750 | 886 | 3866 |
851 | -0.77 | -194.7 | 95.5 | -10.9 | 138 | 859 | 0.00 | 2.72 | 0.00 | 0.000 | 6 | 0.000 | 0.030 | 2749 | 2306 | 3867 |
1198 | -0.77 | -194.7 | 135.6 | -12.3 | 199 | 1204 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2750 | 2306 | 3867 |
1541 | -0.77 | -194.7 | 176.4 | -11.9 | 260 | 1548 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3867 |
1886 | -0.77 | -194.7 | 217.4 | -11.7 | 321 | 1892 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3867 |
2230 | -0.77 | -194.7 | 256.4 | -11.3 | 382 | 2237 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3867 |
2574 | -0.77 | -194.7 | 294.6 | -11.1 | 443 | 2581 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3867 |
2918 | -0.77 | -194.7 | 334.5 | -12.0 | 504 | 2925 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3867 |
3257 | -0.77 | -194.7 | 374.0 | -11.5 | 547 | 3259 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3866 |
3575 | -0.77 | -194.7 | 411.4 | -11.8 | 577 | 3577 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2750 | 2307 | 3866 |
3894 | -0.77 | -194.7 | 448.4 | -11.2 | 607 | 3896 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3866 |
4213 | -0.77 | -194.7 | 484.6 | -11.3 | 637 | 4214 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3866 |
4531 | -0.77 | -194.7 | 520.3 | -11.1 | 667 | 4533 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2307 | 3866 |
4849 | -0.77 | -194.7 | 555.9 | -11.4 | 697 | 4851 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3866 |
5168 | -0.77 | -194.7 | 590.5 | -10.9 | 727 | 5169 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2306 | 3866 |
5491 | -0.77 | -194.7 | 626.7 | -11.5 | 747 | 5492 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2750 | 2306 | 3865 |
5799 | -0.77 | -194.7 | 662.7 | -11.9 | 762 | 5804 | 0.00 | 2.85 | 0.00 | 0.000 | 4 | 0.000 | 0.056 | 2749 | 3707 | 3865 |
5839 | -0.77 | -194.7 | 667.2 | -11.1 | 764 | 5843 | 0.00 | 2.80 | 0.00 | 0.000 | 6 | 0.000 | 0.040 | 2749 | 2300 | 3865 |
6165 | -0.77 | -194.7 | 701.5 | -10.6 | 780 | 6170 | 0.00 | 2.92 | 0.00 | 0.000 | 4 | 0.000 | 0.061 | 2749 | 3701 | 3865 |
6197 | -0.77 | -194.7 | 705.2 | -11.0 | 781 | 6205 | 0.00 | 2.80 | 0.00 | 0.000 | 6 | 0.000 | 0.045 | 2749 | 2313 | 3865 |
6514 | -0.77 | -194.7 | 739.5 | -11.2 | 797 | 6515 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 2749 | 2312 | 3865 |
6823 | -0.77 | -194.7 | 773.5 | -10.4 | 812 | 6828 | 0.00 | 3.05 | 0.00 | 0.000 | 4 | 0.000 | 0.081 | 2749 | 3701 | 3864 |
6872 | -0.77 | -194.7 | 779.0 | -10.7 | 814 | 6877 | 0.00 | 2.92 | 0.00 | 0.000 | 6 | 0.000 | 0.063 | 2749 | 2310 | 3865 |
7194 | -0.77 | -194.7 | 812.3 | -10.2 | 830 | 7199 | 0.00 | 3.12 | 0.00 | 0.000 | 4 | 0.000 | 0.092 | 2750 | 3696 | 3864 |
7226 | -0.77 | -194.7 | 815.9 | -11.0 | 831 | 7234 | 0.00 | 3.03 | 0.00 | 0.000 | 6 | 0.000 | 0.080 | 2750 | 2320 | 3864 |
7543 | -1.12 | -194.7 | 829.3 | -0.0 | 847 | 7549 | 0.38 | 3.17 | 0.00 | 0.000 | 4 | 0.062 | 0.098 | 2677 | 3698 | 3864 |
7677 | end dive: NO_VERTICAL_VELOCITY | |||||||||||||||
state | 7678 | begin apogee | ||||||||||||||
7685 | -0.21 | 0.0 | 829.2 | 0.0 | 853 | 7893 | 1.02 | 0.00 | 204.35 | 1.495 | 6 | 0.067 | 0.000 | 2870 | 2747 | 3071 |
7894 | end apogee: CONTROL_FINISHED_OK | |||||||||||||||
state | 7894 | begin climb | ||||||||||||||
7896 | 0.86 | 194.7 | 829.1 | 0.0 | 863 | 8120 | 1.35 | 3.58 | 208.98 | 1.426 | 4 | 0.073 | 0.094 | 3098 | 1337 | 2277 |
8193 | 0.74 | 194.7 | 803.9 | 11.9 | 876 | 8198 | 0.00 | 3.20 | 0.00 | 0.000 | 6 | 0.000 | 0.071 | 3098 | 2738 | 2276 |
8516 | 0.60 | 194.7 | 765.1 | 12.0 | 892 | 8521 | 0.25 | 2.50 | 0.00 | 0.000 | 4 | 0.117 | 0.075 | 3058 | 3905 | 2274 |
8601 | 0.61 | 203.6 | 756.3 | 9.7 | 896 | 8616 | 0.00 | 2.38 | 10.07 | 1.167 | 6 | 0.000 | 0.053 | 3058 | 2755 | 2241 |
8928 | 0.61 | 203.6 | 725.1 | 10.0 | 911 | 8932 | 0.00 | 3.00 | 0.00 | 0.000 | 4 | 0.000 | 0.074 | 3058 | 1330 | 2240 |
8977 | 0.62 | 207.1 | 719.9 | 9.9 | 913 | 8990 | 0.00 | 2.90 | 5.20 | 0.937 | 6 | 0.000 | 0.044 | 3058 | 2763 | 2226 |
9299 | 0.65 | 236.0 | 690.7 | 9.0 | 929 | 9334 | 0.00 | 2.42 | 30.30 | 1.351 | 4 | 0.000 | 0.065 | 3058 | 3894 | 2108 |
9390 | 0.65 | 236.0 | 681.8 | 10.1 | 933 | 9394 | 0.00 | 2.28 | 0.00 | 0.000 | 6 | 0.000 | 0.038 | 3058 | 2761 | 2107 |
9719 | 0.71 | 281.2 | 654.0 | 8.4 | 949 | 9768 | 0.00 | 0.00 | 47.05 | 1.353 | 6 | 0.000 | 0.000 | 3058 | 2760 | 1924 |
10067 | 0.80 | 354.7 | 625.3 | 7.4 | 966 | 10147 | 0.15 | 0.00 | 76.70 | 1.335 | 6 | 0.058 | 0.000 | 3092 | 2760 | 1624 |
10447 | 0.76 | 354.7 | 582.1 | 11.5 | 991 | 10448 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3092 | 2760 | 1617 |
10767 | 0.72 | 354.7 | 546.2 | 11.8 | 1021 | 10768 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3091 | 2760 | 1616 |
11084 | 0.72 | 354.7 | 504.8 | 12.8 | 1051 | 11085 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3092 | 2760 | 1615 |
11403 | 0.72 | 354.7 | 464.2 | 12.9 | 1081 | 11404 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3092 | 2760 | 1614 |
11720 | 0.72 | 354.7 | 427.7 | 11.1 | 1111 | 11721 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3092 | 2760 | 1615 |
12038 | 0.72 | 354.7 | 391.1 | 11.0 | 1141 | 12039 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3091 | 2760 | 1615 |
12357 | 0.72 | 354.7 | 357.4 | 10.1 | 1171 | 12358 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3092 | 2760 | 1614 |
12688 | 0.72 | 354.7 | 323.2 | 10.7 | 1224 | 12695 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3091 | 2760 | 1614 |
13033 | 0.72 | 354.7 | 284.3 | 11.9 | 1285 | 13040 | 0.00 | 2.85 | 0.00 | 0.000 | 4 | 0.000 | 0.046 | 3091 | 1327 | 1614 |
13076 | 0.72 | 354.7 | 279.5 | 11.5 | 1292 | 13084 | 0.00 | 2.83 | 0.00 | 0.000 | 6 | 0.000 | 0.030 | 3091 | 2787 | 1613 |
13423 | 0.72 | 354.7 | 241.2 | 11.1 | 1353 | 13429 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3091 | 2787 | 1613 |
13767 | 0.72 | 360.6 | 205.3 | 9.8 | 1414 | 13782 | 0.00 | 2.95 | 5.45 | 0.761 | 4 | 0.000 | 0.044 | 3092 | 1336 | 1600 |
13827 | 0.72 | 360.6 | 199.0 | 10.1 | 1424 | 13835 | 0.00 | 2.78 | 0.00 | 0.000 | 6 | 0.000 | 0.031 | 3091 | 2766 | 1599 |
14172 | 0.72 | 360.6 | 162.8 | 10.9 | 1485 | 14179 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3091 | 2766 | 1599 |
14514 | 0.72 | 360.6 | 124.3 | 11.6 | 1546 | 14522 | 0.00 | 2.85 | 0.00 | 0.000 | 4 | 0.000 | 0.044 | 3091 | 1336 | 1599 |
14546 | 0.72 | 360.6 | 120.7 | 11.6 | 1551 | 14553 | 0.00 | 2.75 | 0.00 | 0.000 | 6 | 0.000 | 0.031 | 3092 | 2752 | 1599 |
14891 | 0.72 | 360.6 | 84.4 | 10.6 | 1612 | 14897 | 0.00 | 0.00 | 0.00 | 0.000 | 6 | 0.000 | 0.000 | 3092 | 2752 | 1599 |
15234 | 0.75 | 383.6 | 46.6 | 9.2 | 1673 | 15264 | 0.00 | 2.95 | 24.62 | 0.949 | 4 | 0.000 | 0.045 | 3092 | 1329 | 1506 |
15299 | 0.78 | 406.9 | 40.4 | 9.2 | 1683 | 15335 | 0.00 | 2.78 | 25.17 | 0.959 | 6 | 0.000 | 0.031 | 3092 | 2749 | 1410 |
15471 | 0.80 | 420.3 | 24.7 | 9.5 | 1712 | 15492 | 0.00 | 2.30 | 14.27 | 0.890 | 4 | 0.000 | 0.048 | 3092 | 3899 | 1357 |
15527 | 0.89 | 447.1 | 19.2 | 9.1 | 1721 | 15563 | 0.00 | 2.25 | 28.88 | 0.931 | 6 | 0.000 | 0.031 | 3091 | 2740 | 1248 |
15699 | 1.01 | 484.5 | 3.9 | 8.7 | 1750 | 15730 | 0.20 | 0.00 | 27.62 | 0.913 | 2 | 0.049 | 0.000 | 3139 | 2739 | 1138 |
15730 | end climb: SURFACE_DEPTH_REACHED | |||||||||||||||
state | 15730 | begin surface coast | ||||||||||||||
15752 | end surface coast: CONTROL_FINISHED_OK | |||||||||||||||
state | 15752 | begin surface |