Parameter values: Sort by alphabetical glider order

ID	574	HD_B	0.010078	ROLL_MIN	160	ALTIM_TOP_TURN_MARGIN	0
MISSION	8	HD_C	9.8500004e-06	ROLL_MAX	3798	ALTIM_TOP_MIN_OBSTACLE	1
DIVE	92	HEADING	-1	ROLL_DEG	40	ALTIM_PING_DEPTH	1000
D_SURF	3	ESCAPE_HEADING	0	C_ROLL_DIVE	1910	ALTIM_PING_DELTA	5
D_FLARE	3	ESCAPE_HEADING_DELTA	10	C_ROLL_CLIMB	1820	ALTIM_FREQUENCY	13
D_TGT	990	FIX_MISSING_TIMEOUT	0	HEAD_ERRBAND	15	ALTIM_PULSE	3
D_ABORT	1020	TGT_DEFAULT_LAT	-4200	ROLL_CNV	0.028270001	ALTIM_SENSITIVITY	2
D_NO_BLEED	200	TGT_DEFAULT_LON	-900	ROLL_TIMEOUT	15	XPDR_VALID	5
D_BOOST	0	TGT_AUTO_DEFAULT	0	R_PORT_OVSHOOT	43	XPDR_INHIBIT	90
T_BOOST	0	SM_CC	210	R_STBD_OVSHOOT	60	INT_PRESSURE_SLOPE	0.0097660003
T_BOOST_BLACKOUT	0	N_FILEKB	4	ROLL_AD_RATE	350	INT_PRESSURE_YINT	-1.812
D_FINISH	0	FILEMGR	0	ROLL_MAXERRORS	1	DEEPGLIDER	0
D_PITCH	0	CALL_NDIVES	1	ROLL_ADJ_GAIN	0	DEEPGLIDERMB	0
D_SAFE	0	COMM_SEQ	0	ROLL_ADJ_DBAND	0	MOTHERBOARD	4
D_CALL	0	KERMIT	0	ROLL_GAIN_P	0.5	DEVICE1	2
SURFACE_URGENCY	0	N_NOCOMM	1	VBD_MIN	396	DEVICE2	115
SURFACE_URGENCY_TRY	0	N_NOSURFACE	0	VBD_MAX	3960	DEVICE3	20
SURFACE_URGENCY_FORCE	0	UPLOAD_DIVES_MAX	-1	C_VBD	2600	DEVICE4	134
T_DIVE	350	CALL_TRIES	5	VBD_DBAND	2	DEVICE5	-1
T_MISSION	390	CALL_WAIT	60	VBD_CNV	-0.245296	DEVICE6	-1
T_ABORT	720	CAPUPLOAD	0	VBD_TIMEOUT	720	LOGGERS	7
T_TURN	225	CAPMAXSIZE	100000	PITCH_VBD_SHIFT	4.9999999e-05	LOGGERDEVICE1	-1
T_TURN_SAMPINT	5	HEAPDBG	0	VBD_PUMP_AD_RATE_SURFACE	4	LOGGERDEVICE2	-1
T_NO_W	120	T_GPS	15	VBD_PUMP_AD_RATE_APOGEE	3	LOGGERDEVICE3	-1
T_LOITER	0	N_GPS	20	VBD_BLEED_AD_RATE	8	LOGGERDEVICE4	-1
USE_BATHY	0	T_GPS_ALMANAC	0	UNCOM_BLEED	60	COMPASS_DEVICE	33
USE_ICE	0	T_GPS_CHARGE	-15103.925	VBD_MAXERRORS	1	COMPASS2_DEVICE	-1
ICE_FREEZE_MARGIN	0.30000001	T_RSLEEP	3	CF8_MAXERRORS	20	PHONE_DEVICE	48
D_OFFGRID	100	STROBE	0	AH0_24V	150	GPS_DEVICE	32
T_WATCHDOG	10	RAFOS_PEAK_OFFSET	1.5	AH0_10V	100	RAFOS_DEVICE	-1
RELAUNCH	0	RAFOS_CORR_THRESH	60	MINV_24V	20	XPDR_DEVICE	24
APOGEE_PITCH	-5	RAFOS_HIT_WINDOW	3600	MINV_10V	8	SIM_W	0
MAX_BUOY	150	PITCH_MIN	92	FG_AHR_10V	0	SIM_PITCH	0
COURSE_BIAS	0	PITCH_MAX	3858	FG_AHR_24V	0	SEABIRD_T_G	0.0043017557
GLIDE_SLOPE	30	C_PITCH	3032	PHONE_SUPPLY	2	SEABIRD_T_H	0.00062339538
SPEED_FACTOR	1	PITCH_DBAND	0.0099999998	PRESSURE_YINT	-58.423965	SEABIRD_T_I	2.3377639e-05
RHO	1.0278	PITCH_CNV	0.003125763	PRESSURE_SLOPE	0.00011710486	SEABIRD_T_J	2.5612862e-06
MASS	53599	P_OVSHOOT	0.039999999	AD7714Ch0Gain	128	SEABIRD_C_G	-9.9136524
LENGTH	1.8	PITCH_GAIN	31	TCM_PITCH_OFFSET	0	SEABIRD_C_H	1.1456692
NAV_MODE	1	PITCH_TIMEOUT	16	TCM_ROLL_OFFSET	0	SEABIRD_C_I	-0.00078246131
DIRECT_CONTROL	0	PITCH_AD_RATE	175	COMPASS_USE	0	SEABIRD_C_J	0.00012677554
FERRY_MAX	45	PITCH_MAXERRORS	1	ALTIM_BOTTOM_PING_RANGE	0	EBE_ENABLE	0
KALMAN_USE	2	PITCH_ADJ_GAIN	0.02	ALTIM_TOP_PING_RANGE	0	GC_WINDOW	20
HD_A	0.0038360001	PITCH_ADJ_DBAND	13	ALTIM_BOTTOM_TURN_MARGIN	20	GC_LAST_COLLECTION	71

AD7714Ch0Gain	128	D_NO_BLEED	200	N_GPS	20	SEABIRD_T_J	2.5612862e-06
AH0_10V	100	D_OFFGRID	100	N_NOCOMM	1	SIM_PITCH	0
AH0_24V	150	D_PITCH	0	N_NOSURFACE	0	SIM_W	0
ALTIM_BOTTOM_PING_RANGE	0	D_SAFE	0	PHONE_DEVICE	48	SM_CC	210
ALTIM_BOTTOM_TURN_MARGIN	20	D_SURF	3	PHONE_SUPPLY	2	SPEED_FACTOR	1
ALTIM_FREQUENCY	13	D_TGT	990	PITCH_ADJ_DBAND	13	STROBE	0
ALTIM_PING_DELTA	5	EBE_ENABLE	0	PITCH_ADJ_GAIN	0.02	SURFACE_URGENCY	0
ALTIM_PING_DEPTH	1000	ESCAPE_HEADING	0	PITCH_AD_RATE	175	SURFACE_URGENCY_FORCE	0
ALTIM_PULSE	3	ESCAPE_HEADING_DELTA	10	PITCH_CNV	0.003125763	SURFACE_URGENCY_TRY	0
ALTIM_SENSITIVITY	2	FERRY_MAX	45	PITCH_DBAND	0.0099999998	TCM_PITCH_OFFSET	0
ALTIM_TOP_MIN_OBSTACLE	1	FG_AHR_10V	0	PITCH_GAIN	31	TCM_ROLL_OFFSET	0
ALTIM_TOP_PING_RANGE	0	FG_AHR_24V	0	PITCH_MAX	3858	TGT_AUTO_DEFAULT	0
ALTIM_TOP_TURN_MARGIN	0	FILEMGR	0	PITCH_MAXERRORS	1	TGT_DEFAULT_LAT	-4200
APOGEE_PITCH	-5	FIX_MISSING_TIMEOUT	0	PITCH_MIN	92	TGT_DEFAULT_LON	-900
CALL_NDIVES	1	GC_LAST_COLLECTION	71	PITCH_TIMEOUT	16	T_ABORT	720
CALL_TRIES	5	GC_WINDOW	20	PITCH_VBD_SHIFT	4.9999999e-05	T_BOOST	0
CALL_WAIT	60	GLIDE_SLOPE	30	PRESSURE_SLOPE	0.00011710486	T_BOOST_BLACKOUT	0
CAPMAXSIZE	100000	GPS_DEVICE	32	PRESSURE_YINT	-58.423965	T_DIVE	350
CAPUPLOAD	0	HD_A	0.0038360001	P_OVSHOOT	0.039999999	T_GPS	15
CF8_MAXERRORS	20	HD_B	0.010078	RAFOS_CORR_THRESH	60	T_GPS_ALMANAC	0
COMM_SEQ	0	HD_C	9.8500004e-06	RAFOS_DEVICE	-1	T_GPS_CHARGE	-15103.925
COMPASS2_DEVICE	-1	HEADING	-1	RAFOS_HIT_WINDOW	3600	T_LOITER	0
COMPASS_DEVICE	33	HEAD_ERRBAND	15	RAFOS_PEAK_OFFSET	1.5	T_MISSION	390
COMPASS_USE	0	HEAPDBG	0	RELAUNCH	0	T_NO_W	120
COURSE_BIAS	0	ICE_FREEZE_MARGIN	0.30000001	RHO	1.0278	T_RSLEEP	3
C_PITCH	3032	ID	574	ROLL_ADJ_DBAND	0	T_TURN	225
C_ROLL_CLIMB	1820	INT_PRESSURE_SLOPE	0.0097660003	ROLL_ADJ_GAIN	0	T_TURN_SAMPINT	5
C_ROLL_DIVE	1910	INT_PRESSURE_YINT	-1.812	ROLL_AD_RATE	350	T_WATCHDOG	10
C_VBD	2600	KALMAN_USE	2	ROLL_CNV	0.028270001	UNCOM_BLEED	60
DEEPGLIDER	0	KERMIT	0	ROLL_DEG	40	UPLOAD_DIVES_MAX	-1
DEEPGLIDERMB	0	LENGTH	1.8	ROLL_GAIN_P	0.5	USE_BATHY	0
DEVICE1	2	LOGGERDEVICE1	-1	ROLL_MAX	3798	USE_ICE	0
DEVICE2	115	LOGGERDEVICE2	-1	ROLL_MAXERRORS	1	VBD_BLEED_AD_RATE	8
DEVICE3	20	LOGGERDEVICE3	-1	ROLL_MIN	160	VBD_CNV	-0.245296
DEVICE4	134	LOGGERDEVICE4	-1	ROLL_TIMEOUT	15	VBD_DBAND	2
DEVICE5	-1	LOGGERS	7	R_PORT_OVSHOOT	43	VBD_MAX	3960
DEVICE6	-1	MASS	53599	R_STBD_OVSHOOT	60	VBD_MAXERRORS	1
DIRECT_CONTROL	0	MAX_BUOY	150	SEABIRD_C_G	-9.9136524	VBD_MIN	396
DIVE	92	MINV_10V	8	SEABIRD_C_H	1.1456692	VBD_PUMP_AD_RATE_APOGEE	3
D_ABORT	1020	MINV_24V	20	SEABIRD_C_I	-0.00078246131	VBD_PUMP_AD_RATE_SURFACE	4
D_BOOST	0	MISSION	8	SEABIRD_C_J	0.00012677554	VBD_TIMEOUT	720
D_CALL	0	MOTHERBOARD	4	SEABIRD_T_G	0.0043017557	XPDR_DEVICE	24
D_FINISH	0	NAV_MODE	1	SEABIRD_T_H	0.00062339538	XPDR_INHIBIT	90
D_FLARE	3	N_FILEKB	4	SEABIRD_T_I	2.3377639e-05	XPDR_VALID	5

Pre-dive calculations and measurements:

GPS1	191213,122904,-5458.997,0.627,94,0.9,94,-20.3	TGT_NAME	SBY
_CALLS	1	TGT_LATLONG	-5500.000,0.000
_XMS_NAKs	0	TGT_RADIUS	1000.000
_XMS_TOUTs	0	KALMAN_CONTROL	0.000,0.000
_SM_DEPTHo	2.80	KALMAN_X	0.0,0.0,0.0,0.0,0.0
_SM_ANGLEo	-70.6	KALMAN_Y	0.0,0.0,0.0,0.0,0.0
GPS2	191213,123605,-5458.987,0.716,16,0.9,17,-20.3	MHEAD_RNG_PITCHd_Wd	222.4,2025,-27.8,-9.429
SPEED_LIMITS	0.163,0.255	D_GRID	990

Post-dive calculations and measurements:

FINISH	1.6,1.003865	_10V_AH	10.1,37.550
SM_CCo	13740,62.70,0.999,0,0,1743,210.22	FG_AHR_24Vo	0.000
SM_GC	3.02,0.00,0.00,62.70,0.000,0.000,0.999,73,1845,1743,-9.22,-1.84,210.22	FG_AHR_10Vo	0.000
IRIDIUM_FIX	-5442.29,-3.75,191213,080854	MEM	354652
TT8_MAMPS	0.026964	DATA_FILE_SIZE	56883,982
HUMID	63.27	CAP_FILE_SIZE	124550,0
INTERNAL_PRESSURE	9.04779	CFSIZE	2097086464,2082897920
TCM_TEMP	4.20	ERRORS	0,0,0,0,0,0,0,0,0,0,0,0,0,0,1
XPDR_PINGS	0	GPS	191213,162804,-5459.617,-1.068,60,0.8,60,-20.2
_24V_AH	21.8,51.535

Energy measurements:

device	secs	mA	J	sensor	secs	mA	J
Pitch_motor	24	285	150.85	SBE_CT	703	24	368.00
Roll_motor	39	120	103.75	WL_BB2FLVMT	673	105	1542.01
VBD_pump_during_apogee	250	1582	8643.43	SBE_O2	659	19	273.16
VBD_pump_during_surface	62	999	1365.62	QSP2150	65	4	6.21
VBD_valve	0	0	0.00	nil	0	0	0.00
Iridium_during_init	24	103	54.08	nil	0	0	0.00
Iridium_during_connect	21	160	74.78	nil	0	0	0.00
Iridium_during_xfer	262	223	1275.33	nil	0	0	0.00
Transponder_ping	0	420	0.00	nil	0	0	0.00
GUMSTIX_24V	0	0	0.00
GPS	19	26	5.42
TT8	2464	14	372.45
LPSleep	8478	2	187.54
TT8_Active	410	14	58.94
TT8_Sampling	2748	37	1039.10
TT8_CF8	127	47	60.52
TT8_Kalman	0	0	0.00
Analog_circuits	1446	12	175.26
GPS_charging	0	0	0.00
Compass	2395	15	380.61
RAFOS	0	0	0.00
Transponder	1	5	0.05

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	pitch_retries	pitch_errors	roll_retries	roll_errors	vbd_retries	vbd_errors
22	end surface: CONTROL_FINISHED_OK
state	22	begin dive
24	-0.90	-57.8	0.0	0.0	0	51	0.00	0.00	-25.25	0.000	2	0.000	0.000	67	1903	2182	0	0	0	0	0	0
54	-0.90	-134.2	3.1	-1.1	4	133	12.90	2.28	-57.88	0.000	4	0.285	0.059	2721	3295	3148	0	0	0	0	0	0
291	-0.90	-134.2	31.0	-17.5	44	299	0.03	2.17	0.00	0.000	6	0.226	0.034	2730	1925	3150	0	0	0	0	0	0
437	-0.90	-134.2	58.1	-18.5	69	443	0.00	0.00	0.00	0.000	6	0.000	0.000	2730	1925	3150	0	0	0	0	0	0
775	-0.90	-134.2	126.1	-18.3	118	776	0.00	0.00	0.00	0.000	6	0.000	0.000	2729	1924	3150	0	0	0	0	0	0
1095	-0.90	-134.2	184.7	-18.5	148	1098	0.00	0.73	0.00	0.000	4	0.000	0.050	2730	1448	3150	0	0	0	0	0	0
1155	-0.90	-134.2	196.6	-18.6	153	1161	0.00	0.70	0.00	0.000	6	0.000	0.033	2728	1919	3150	0	0	0	0	0	0
1480	-0.90	-134.2	253.2	-16.4	184	1484	0.00	1.10	0.00	0.000	4	0.000	0.041	2723	2642	3150	0	0	0	0	0	0
1620	-0.90	-134.2	276.2	-15.9	196	1629	0.08	1.17	0.00	0.000	6	0.226	0.036	2737	1896	3150	0	0	0	0	0	0
1947	-0.90	-134.2	326.3	-15.1	227	1951	0.00	0.47	0.00	0.000	4	0.000	0.037	2737	2244	3150	0	0	0	0	0	0
2207	-0.90	-134.2	364.9	-14.1	250	2211	0.00	0.50	0.00	0.000	6	0.000	0.041	2737	1896	3149	0	0	0	0	0	0
2535	-0.90	-134.2	409.0	-13.0	278	2536	0.00	0.00	0.00	0.000	6	0.000	0.000	2737	1896	3150	0	0	0	0	0	0
2844	-0.90	-134.2	449.8	-13.1	293	2846	0.00	0.00	0.00	0.000	6	0.000	0.000	2737	1896	3150	0	0	0	0	0	0
3154	-0.90	-134.2	490.0	-13.0	308	3155	0.00	0.00	0.00	0.000	6	0.000	0.000	2737	1895	3150	0	0	0	0	0	0
3463	-0.90	-134.2	528.7	-12.2	323	3464	0.00	0.00	0.00	0.000	6	0.000	0.000	2737	1896	3151	0	0	0	0	0	0
3772	-0.90	-134.2	565.6	-11.9	338	3776	0.00	0.40	0.00	0.000	4	0.000	0.055	2737	1618	3151	0	0	0	0	0	0
3889	-0.90	-134.2	579.3	-11.6	343	3893	0.00	0.43	0.00	0.000	6	0.000	0.037	2736	1932	3151	0	0	0	0	0	0
4215	-0.90	-134.2	616.2	-11.2	359	4219	0.00	0.32	0.00	0.000	4	0.000	0.047	2734	2199	3151	0	0	0	0	0	0
4440	-0.90	-134.2	640.6	-10.7	369	4444	0.00	0.40	0.00	0.000	6	0.000	0.042	2734	1911	3152	0	0	0	0	0	0
4772	-0.90	-134.2	676.9	-10.9	385	4773	0.00	0.00	0.00	0.000	6	0.000	0.000	2734	1911	3152	0	0	0	0	0	0
5081	-0.90	-134.2	710.4	-10.8	400	5085	0.00	0.85	0.00	0.000	4	0.000	0.050	2734	1362	3152	0	0	0	0	0	0
5209	-0.90	-134.2	724.6	-11.1	405	5215	0.00	0.80	0.00	0.000	6	0.000	0.030	2731	1901	3152	0	0	0	0	0	0
5525	-0.90	-134.2	757.7	-10.8	421	5526	0.00	0.00	0.00	0.000	6	0.000	0.000	2731	1901	3153	0	0	0	0	0	0
5834	-0.90	-134.2	789.1	-10.0	436	5838	0.00	1.00	0.00	0.000	4	0.000	0.041	2726	2565	3153	0	0	0	0	0	0
5978	-0.90	-134.2	804.2	-11.3	442	5983	0.00	1.02	0.00	0.000	6	0.000	0.036	2726	1908	3153	0	0	0	0	0	0
6300	-0.90	-134.2	836.5	-9.8	458	6302	0.00	0.00	0.00	0.000	6	0.000	0.000	2726	1909	3153	0	0	0	0	0	0
6610	-0.90	-134.2	867.9	-10.6	473	6613	0.00	0.68	0.00	0.000	4	0.000	0.049	2726	1462	3154	0	0	0	0	0	0
6726	-0.90	-134.2	880.4	-11.2	478	6731	0.08	0.68	0.00	0.000	6	0.228	0.031	2738	1926	3154	0	0	0	0	0	0
7052	-0.90	-134.2	914.0	-10.6	494	7053	0.00	0.00	0.00	0.000	6	0.000	0.000	2738	1926	3154	0	0	0	0	0	0
7362	-0.90	-134.2	948.4	-11.2	509	7365	0.00	0.38	0.00	0.000	4	0.000	0.044	2737	2219	3154	0	0	0	0	0	0
7506	-0.90	-134.2	964.8	-11.0	515	7510	0.00	0.47	0.00	0.000	6	0.000	0.041	2737	1892	3154	0	0	0	0	0	0
7743	end dive: TARGET_DEPTH_EXCEEDED
state	7743	begin apogee
7748	-0.16	0.0	991.0	11.4	527	7870	0.88	0.00	118.55	1.583	6	0.177	0.000	2971	1833	2600	0	0	0	0	0	0
7871	end apogee: CONTROL_FINISHED_OK
state	7871	begin climb
7872	0.90	134.2	993.4	0.0	533	8009	1.17	0.50	131.95	1.512	4	0.102	0.047	3322	1531	2052	0	0	0	0	0	0
8261	0.90	134.2	929.9	19.5	551	8265	0.00	0.43	0.00	0.000	6	0.000	0.031	3322	1809	2044	0	0	0	0	0	0
8582	0.90	134.2	867.8	19.5	567	8586	0.00	2.35	0.00	0.000	4	0.000	0.059	3331	420	2042	0	0	0	0	0	0
8816	0.90	134.2	820.1	20.3	577	8822	0.00	2.17	0.00	0.000	6	0.000	0.027	3331	1808	2041	0	0	0	0	0	0
9132	0.90	134.2	761.0	18.4	593	9136	0.00	1.73	0.00	0.000	4	0.000	0.054	3338	753	2041	0	0	0	0	0	0
9290	0.90	134.2	731.2	19.3	600	9294	0.05	1.65	0.00	0.000	6	0.239	0.027	3328	1830	2040	0	0	0	0	0	0
9621	0.90	134.2	672.1	17.6	616	9625	0.00	0.82	0.00	0.000	4	0.000	0.047	3330	1318	2040	0	0	0	0	0	0
9872	0.90	134.2	627.4	18.7	627	9877	0.00	0.77	0.00	0.000	6	0.000	0.029	3331	1841	2041	0	0	0	0	0	0
10200	0.90	134.2	571.3	17.4	643	10203	0.00	1.83	0.00	0.000	4	0.000	0.054	3338	700	2040	0	0	0	0	0	0
10344	0.90	134.2	544.3	18.8	649	10349	0.03	1.67	0.00	0.000	6	0.208	0.027	3331	1804	2040	0	0	0	0	0	0
10665	0.90	134.2	489.2	16.9	665	10669	0.00	0.43	0.00	0.000	4	0.000	0.047	3331	1517	2040	0	0	0	0	0	0
10922	0.90	134.2	444.2	17.0	676	10926	0.00	0.45	0.00	0.000	6	0.000	0.033	3331	1845	2040	0	0	0	0	0	0
11245	0.90	134.2	388.4	17.0	695	11249	0.00	1.48	0.00	0.000	4	0.000	0.052	3337	940	2040	0	0	0	0	0	0
11426	0.90	134.2	356.9	17.7	711	11431	0.03	1.30	0.00	0.000	6	0.198	0.028	3329	1808	2040	0	0	0	0	0	0
11756	0.90	134.2	304.2	15.7	742	11758	0.00	0.00	0.00	0.000	6	0.000	0.000	3329	1809	2040	0	0	0	0	0	0
12076	0.90	134.2	252.2	17.0	772	12079	0.00	1.10	0.00	0.000	4	0.000	0.050	3333	1129	2041	0	0	0	0	0	0
12204	0.90	134.2	230.1	16.6	783	12210	0.00	1.05	0.00	0.000	6	0.000	0.028	3333	1829	2040	0	0	0	0	0	0
12530	0.90	134.2	174.6	17.7	814	12533	0.00	1.27	0.00	0.000	4	0.000	0.050	3337	1042	2041	0	0	0	0	0	0
12646	0.90	134.2	154.2	16.3	824	12655	0.05	1.17	0.00	0.000	6	0.236	0.028	3327	1819	2041	0	0	0	0	0	0
12974	0.90	134.2	105.1	14.6	855	12975	0.00	0.00	0.00	0.000	6	0.000	0.000	3328	1820	2041	0	0	0	0	0	0
13310	0.90	134.2	56.9	13.5	911	13315	0.00	0.43	0.00	0.000	4	0.000	0.047	3328	1533	2041	0	0	0	0	0	0
13575	0.90	134.2	20.3	14.3	957	13580	0.00	0.40	0.00	0.000	6	0.000	0.037	3328	1839	2041	0	0	0	0	0	0
13698	end climb: SURFACE_DEPTH_REACHED
state	13699	begin surface coast
13725	end surface coast: CONTROL_FINISHED_OK
state	13725	begin surface