Connection Event: Carrier Detect found.211248 Iridium console active and ready...
Vehicle Name: ru28
Curr Time: Sun Oct 22 00:51:51 2017 MT: 211247
DR Location: 4005.625 N -7353.382 E measured 46.333 secs ago
GPS TooFar: 4019.902 N -7353.042 E measured 1e+308 secs ago
GPS Invalid : 4006.246 N -7353.771 E measured 326.744 secs ago
GPS Location: 4005.625 N -7353.382 E measured 46.712 secs ago
sensor:c_thruster_surface_depth(m)=0 7280.14 secs ago
sensor:c_wpt_lat(lat)=4004.0621 65138.
not found>yo*.ma<
not found>goto_l*.ma<
not found>sample*.ma<
not found>surfac*.ma<
[dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive]
[-d ] ...
[[-d ... ] ... ]
7 secs ago
sensor:c_wpt_lon(lon)=-7352.525 65138.8 secs ago
sensor:m_battery(volts)=14.0576125268141 53.022 secs ago
sensor:m_coulomb_amphr(amp-hrs)=17.9158115386963 5.141 secs ago
sensor:m_coulomb_amphr_total(amp-hrs)=18.859874538849 5.166 secs ago
sensor:m_depth(m)=0 5.156 secs ago
sensor:m_digifin_leakdetect_reading(nodim)=1022 0.882 secs ago
sensor:m_gps_mag_var(rad)=0.225147473507268 47.414 secs ago
sensor:m_iridium_attempt_num(nodim)=1 40.172 secs ago
sensor:m_iridium_call_num(nodim)=5746 0.922 secs ago
sensor:m_iridium_dialed_num(nodim)=8179 9.997 secs ago
sensor:m_leakdetect_voltage(volts)=2.47838827838828 5.42 secs ago
sensor:m_leakdetect_voltage_forward(volts)=2.49145299145299 5.452 secs ago
sensor:m_tot_num_inflections(nodim)=174033 104.7 secs ago
sensor:m_vacuum(inHg)=7.13659636752137 49.238 secs ago
sensor:m_water_vx(m/s)=-0.0136632678587879 69.914 secs ago
sensor:m_water_vy(m/s)=0.122780412011734 69.966 secs ago
sensor:u_alt_min_depth(m)=1 1e+308 secs ago
sensor:u_min_water_depth(m)=0 1e+308 secs ago
sensor:u_use_current_correction(nodim)=1 1e+308 secs ago
sensor:x_fin_deadband(rad)=0.04 211249 secs ago
sensor:x_last_wpt_lat(lat)=4012.3211 65140.3 secs ago
sensor:x_last_wpt_lon(lon)=-7357.6986 65140.3 secs ago
ABORT HISTORY: total since reset: 1
ABORT HISTORY: last abort cause: MS_ABORT_OVERDEPTH
ABORT HISTORY: last abort details:
ABORT HISTORY: last abort time: 2017-10-19T13:22:11
ABORT HISTORY: last abort segment: ru28-2017-291-0-0 (0282.0000)
ABORT HISTORY: last abort mission: OD.MI
211250 No login script found for processing.
211250 DRIVER_ODDITY:iridium:2079:xxx_ctrl() ran too long
Glider ru28 at surface.
Because:no comms for a while [behavior surface_5 start_when = 12.0]
MissionName:30_NW.MI MissionNum:ru28-2017-291-2-56 (0284.0056)
Vehicle Name: ru28
Curr Time: Sun Oct 22 00:52:31 2017 MT: 211288
DR Location: 4005.625 N -7353.382 E measured 86.335 secs ago
GPS TooFar: 4019.902 N -7353.042 E measured 1e+308 secs ago
GPS Invalid : 4006.246 N -7353.771 E measured 366.741 secs ago
GPS Location: 4005.625 N -7353.382 E measured 86.71 secs ago
sensor:c_thruster_surface_depth(m)=0 7320.08 secs ago
sensor:c_wpt_lat(lat)=4004.0621 65178.6 secs ago
sensor:c_wpt_lon(lon)=-7352.525 65178.7 secs ago
sensor:m_battery(volts)=14.0413057307871 30.518 secs ago
sensor:m_coulomb_amphr(amp-hrs)=17.9205627441406 3.967 secs ago
sensor:m_coulomb_amphr_total(amp-hrs)=18.8646257442934 3.98 secs ago
sensor:m_depth(m)=0 3.875 secs ago
sensor:m_digifin_leakdetect_reading(nodim)=1022 4.129 secs ago
sensor:m_gps_mag_var(rad)=0.225147473507268 87.148 secs ago
sensor:m_iridium_attempt_num(nodim)=1 79.88 secs ago
sensor:m_iridium_call_num(nodim)=5746 40.605 secs ago
sensor:m_iridium_dialed_num(nodim)=8179 49.66 secs ago
sensor:m_leakdetect_voltage(volts)=2.47838827838828 45.068 secs ago
sensor:m_leakdetect_voltage_forward(volts)=2.49145299145299 45.083 secs ago
sensor:m_tot_num_inflections(nodim)=174033 144.315 secs ago
sensor:m_vacuum(inHg)=7.64096742979243 26.434 secs ago
sensor:m_water_vx(m/s)=-0.0136632678587879 109.488 secs ago
sensor:m_water_vy(m/s)=0.122780412011734 109.521 secs ago
sensor:u_alt_min_depth(m)=1 1e+308 secs ago
sensor:u_min_water_depth(m)=0 1e+308 secs ago
sensor:u_use_current_correction(nodim)=1 1e+308 secs ago
sensor:x_fin_deadband(rad)=0.04 211289 secs ago
sensor:x_last_wpt_lat(lat)=4012.3211 65179.6 secs ago
sensor:x_last_wpt_lon(lon)=-7357.6986 65179.7 secs ago
devices:(t/m/s) errs: 1/ 0/ 0 warn: 3/ 1/ 0 odd: 115/ 107/ 3
ABORT HISTORY: total since reset: 1
ABORT HISTORY: last abort cause: MS_ABORT_OVERDEPTH
ABORT HISTORY: last abort details:
ABORT HISTORY: last abort time: 2017-10-19T13:22:11
ABORT HISTORY: last abort segment: ru28-2017-291-0-0 (0282.0000)
ABORT HISTORY: last abort mission: OD.MI
Hit Control-R to RESUME the mission, i.e. dive!
Hit Control-C to END the mission, i.e. GliderDos
Hit Control-E to extend surface time by 5 minutes.
Hit Control-W to get device warning reports.
Hit Control-F to re-read yo, goto_l, surface, sample, drift_ mafiles.
Hit H <0:1> to Hangup and call back in minutes at 0-primary 1-alternate number.
Hit S [-f={rf}|{irid] [-num=] [-t=] [filespec ...] to send log files
Hit ! to execute
Hit Control-T to consci to science computer when comms ready:
... communications ready for consci.
Water Velocity Calculations waiting for final gps fix(ideally -76 secs)
Waypoint: (4004.0621,-7352.5250) Range: 3138m, Bearing: 169deg, Age: 18:6h:m
Time until diving is: 508 secs
s *.sbd *.tbd
--------------------------------
211308 82 02840056.mlg LOG FILE CLOSED
SCIENCE DATA LOGGING: science IS running
CONSCI REQUESTED (using IRIDIUM as console)
ASKING SCIENCE COMPUTER TO SWITCH TO COMMAND MODE via IRIDIUM
SWITCHING TO SCIENCE COMMAND MODE over IRIDIUM
Normal operation resumes when:
SciDos> QUIT -or-
Lose CD (unplug freewave/hangup iridium) -or-
run longer than U_SCI_CMD_MAX_CONSCI_TIME(3600)s
211317 86 Neutering the Freewave Console
SCI: Implicitly limiting total transfer to 1800 secs, representing 180 KB total size
SCI: Enumerating and selecting files
SCI: About to send 2 files
Prechecking is not necessary for this invocation
START
**B00000000000000
�
Starting zModem transfer of 02840056.tbd to/from ru28 size is 41785
Total Bytes sent/received: 1024
Total Bytes sent/received: 2048
Total Bytes sent/received: 3072
Total Bytes sent/received: 4096
Total Bytes sent/received: 5120
Total Bytes sent/received: 6144
Total Bytes sent/received: 7168
Total Bytes sent/received: 8192
Total Bytes sent/received: 9216
Total Bytes sent/received: 10240
Total Bytes sent/received: 11264
Total Bytes sent/received: 12288
Total Bytes sent/received: 13313
Total Bytes sent/received: 13312
Total Bytes sent/received: 14336
Total Bytes sent/received: 15360
Total Bytes sent/received: 16384
Total Bytes sent/received: 17408
Total Bytes sent/received: 18432
Total Bytes sent/received: 19456
Total Bytes sent/received: 20480
Total Bytes sent/received: 21504
Total Bytes sent/received: 22528
Total Bytes sent/received: 23552
Total Bytes sent/received: 24576
Total Bytes sent/received: 25600
Total Bytes sent/received: 26625
Total Bytes sent/received: 26624
Total Bytes sent/received: 27648
Total Bytes sent/received: 28672
Total Bytes sent/received: 29696
Total Bytes sent/received: 30720
Total Bytes sent/received: 31744
Total Bytes sent/received: 32768
Total Bytes sent/received: 33792
Total Bytes sent/received: 34816
Total Bytes sent/received: 35840
Total Bytes sent/received: 36864
Total Bytes sent/received: 37888
Total Bytes sent/received: 38912
Total Bytes sent/received: 39708
Total Bytes sent/received: 39936
Total Bytes sent/received: 40960
Total Bytes sent/received: 41785
zModem transfer DONE for file 02840056.tbd
Starting zModem transfer of 02840055.tbd to/from ru28 size is 544
Total Bytes sent/received: 544
zModem transfer DONE for file 02840055.tbd
SHUFFLING FILES..
SCI: Sent 2 file(s):
c:\logs\02840056.TBD c:\logs\02840055.TBD
SCI: SUCCESS
211760 89 Freewave console restored
REVERTING FROM SCIENCE COMMAND MODE
SCIENCE COMMAND MODE TERMINATED because:
Science Program QUIT (cts lowered)
GLD: Enumerating and selecting files
GLD: About to send 2 files
Prechecking is not necessary for this invocation
211762 save_and_change_sensors()....
Changed u_use_ctd_depth_for_flying from 0 to 0
Changed c_science_on from 1 to 0
211762 save_and_change_sensors()....
Changed c_science_printout from 0 to 0
Waiting for motors idle
START
**B00000000000000
�
Starting zModem transfer of 02840056.sbd to/from ru28 size is 15253
Total Bytes sent/received: 1024
Total Bytes sent/received: 2048
Total Bytes sent/received: 3072
Total Bytes sent/received: 4096
Total Bytes sent/received: 5120
Total Bytes sent/received: 6144
Total Bytes sent/received: 7168
Total Bytes sent/received: 8192
Total Bytes sent/received: 9216
Total Bytes sent/received: 10240
Total Bytes sent/received: 11264
Total Bytes sent/received: 12288
Total Bytes sent/received: 13312
Total Bytes sent/received: 14336
Total Bytes sent/received: 15253
zModem transfer DONE for file 02840056.sbd
Starting zModem transfer of 02840055.sbd to/from ru28 size is 798
Total Bytes sent/received: 798
zModem transfer DONE for file 02840055.sbd
11933 restore_sensors()....
Restored u_use_ctd_depth_for_flying from 0 to 0
Restored c_science_on from 0 to 1
211933 restore_sensors()....
211933 restore_sensors()....
Restored c_science_printout from 0 to 0
SHUFFLING FILES..
GLD: Sent 2 file(s):
c:\logs\02840056.SBD c:\logs\02840055.SBD
GLD: SUCCESS
Glider-Science software version match: 8.000000
Science hardware version is 2.000000
211940 92 SCI:PROGLET house_elf begin() called
211941 SCI: house_elf: Version 1.2
211941 SCI:PROGLET ctd41cp begin() called
211941 SCI: ctd41cp: Version 0.2
211941 SCI: ctd41cp: Will be sending the following data to glider:
211941 SCI: sci_water_cond(s/m)
211941 SCI: sci_water_temp(degc)
211941 SCI: sci_water_pressure(bar)
211941 SCI: sci_ctd41cp_timestamp(timestamp)
211941 SCI:PROGLET lisst begin() called
211942 SCI:PROGLET oxy3835_wphase begin() called
211942 SCI: oxy3835_wphase: Version 0.4
211942 SCI: oxy3835_wphase: Will be sending following data to glider:
211942 SCI: sci_oxy3835_wphase_oxygen(nodim)
211942 SCI: sci_oxy3835_wphase_saturation(nodim)
211942 SCI: sci_oxy3835_wphase_temp(nodim)
211942 SCI: sci_oxy3835_wphase_dphase(nodim)
211942 SCI: sci_oxy3835_wphase_bphase(nodim)
211942 SCI: sci_oxy3835_wphase_rphase(nodim)
211943 93 SCI: sci_oxy3835_wphase_bamp(nodim)
211943 SCI: sci_oxy3835_wphase_bpot(nodim)
211943 SCI: sci_oxy3835_wphase_ramp(nodim)
211944 SCI: sci_oxy3835_wphase_rawtemp(nodim)
211944 SCI: sci_oxy3835_wphase_timestamp(timestamp)
211944 SCI: Opening Bit(2) for output
211944 SCI:Bit(2) use count is now 1.
211944 SCI:Bit(2) raise count is now 0.
211944 SCI:Bit(2) raise count is now 0.
211944 SCI:PROGLET flbbcd begin() called
211944 SCI: flbbcd: Version 0.0
211944 SCI: flbbcd: Will be sending following data to glider:
211944 SCI: sci_flbbcd_chlor_units(ug/l)
211945 SCI: sci_flbbcd_bb_units(nodim)
211945 SCI: sci_flbbcd_cdom_units(ppb)
211945 SCI: sci_flbbcd_chlor_sig(nodim)
211945 SCI: sci_flbbcd_bb_sig(nodim)
211945 SCI: sci_flbbcd_cdom_sig(nodim)
211945 SCI: sci_flbbcd_chlor_ref(nodim)
211945 SCI: sci_flbbcd_bb_ref(nodim)
211945 SCI: sci_flbbcd_cdom_ref(nodim)
211945 SCI: sci_flbbcd_therm(nodim)
211945 SCI: sci_flbbcd_timestamp(timestamp)
211945 SCI: Opening Bit(0) for output
211946 SCI:Bit(0) use count is now 1.
211946 SCI:Bit(0) raise count is now 0.
211946 SCI:Bit(0) raise count is now 0.
211946 SCI:PROGLET svs603 begin() called
211949 93 SCI:PROGLET house_elf start() called
211949 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal)
211949 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal)
211950 SCI:PROGLET oxy3835_wphase start() called
211950 SCI: Opening port 1:SBMB:J1
211950 SCI: 9600 baud, N81, line buf: 150, no input data timeout(secs): 15
211950 SCI: in queue size: 2048, out queue size: 0
211950 SCI:sci_uart_drain_input(1):
211950 SCI:
211950 SCI:sci_uart_drain_input:Drained 0 chars
211950 SCI:bit_shared_raise(): Raising bit(2).
211951 SCI: oxy3835_wphase_run(): 0 error(s) in a row. (5 is fatal)
211952 94 SCI: oxy3835_wphase_run(): 0 error(s) since oxy3835_wphase_begin(). (50 is fatal)
211953 SCI:PROGLET ctd41cp start() called
211954 SCI: Opening port 0:SBMB:J0
211954 SCI: 9600 baud, N81, line buf: 50, no input data timeout(secs): 15
211954 SCI: in queue size: 2048, out queue size: 0
211959 95 SCI:sci_uart_drain_input(0):
211959 SCI:
211959 SCI:sci_uart_drain_input:Drained 0 chars
211959 SCI:bit_shared_open(): bit(0) is already open.
211960 SCI:Bit(0) use count is now 2.
211960 SCI:bit_shared_raise(): Raising bit(0).
211960 SCI: ctd41cp_run(): 0 error(s) in a row. (5 is fatal)
211960 SCI: ctd41cp_run(): 0 error(s) since ctd41cp_begin(). (50 is fatal)
212014 97 02840057.mlg LOG FILE OPENED
--------------------------------
212014 behavior surface_5: SUBSTATE 7 ->7 : After data transmission, waiting for control-C to exit/resume
Glider ru28 at surface.
Because:no comms for a while [behavior surface_5 start_when = 12.0]
MissionName:30_NW.MI MissionNum:ru28-2017-291-2-57 (0284.0057)
Vehicle Name: ru28
Curr Time: Sun Oct 22 01:04:41 2017 MT: 212017
DR Location: 4005.625 N -7353.382 E measured 815.835 secs ago
GPS TooFar: 4019.902 N -7353.042 E measured 1e+308 secs ago
GPS Invalid : 4006.246 N -7353.771 E measured 1096.24 secs ago
GPS Location: 4005.625 N -7353.382 E measured 816.21 secs ago
sensor:c_thruster_surface_depth(m)=0 8049.58 secs ago
sensor:c_wpt_lat(lat)=4004.0621 65908.1 secs ago
sensor:c_wpt_lon(lon)=-7352.525 65908.2 secs ago
sensor:m_battery(volts)=14.0249534238867 2.737 secs ago
sensor:m_coulomb_amphr(amp-hrs)=18.017936706543 2.907 secs ago
sensor:m_coulomb_amphr_total(amp-hrs)=18.9619997066957 2.918 secs ago
sensor:m_depth(m)=0 2.803 secs ago
sensor:m_digifin_leakdetect_reading(nodim)=1022 3.07 secs ago
sensor:m_gps_mag_var(rad)=0.225147473507268 816.644 secs ago
sensor:m_iridium_attempt_num(nodim)=0 711.237 secs ago
sensor:m_iridium_call_num(nodim)=5746 770.098 secs ago
sensor:m_iridium_dialed_num(nodim)=8179 779.153 secs ago
sensor:m_leakdetect_voltage(volts)=2.4779304029304 2.738 secs ago
sensor:m_leakdetect_voltage_forward(volts)=2.49154456654457 2.755 secs ago
sensor:m_tot_num_inflections(nodim)=174033 873.804 secs ago
sensor:m_vacuum(inHg)=8.64346733821734 3.198 secs ago
sensor:m_water_vx(m/s)=-0.0136632678587879 838.977 secs ago
sensor:m_water_vy(m/s)=0.122780412011734 839.01 secs ago
sensor:u_alt_min_depth(m)=1 1e+308 secs ago
sensor:u_min_water_depth(m)=0 1e+308 secs ago
sensor:u_use_current_correction(nodim)=1 1e+308 secs ago
sensor:x_fin_deadband(rad)=0.04 212018 secs ago
sensor:x_last_wpt_lat(lat)=4012.3211 65909.1 secs ago
sensor:x_last_wpt_lon(lon)=-7357.6986 65909.2 secs ago
devices:(t/m/s) errs: 1/ 0/ 0 warn: 3/ 1/ 0 odd: 115/ 107/ 3
ABORT HISTORY: total since reset: 1
ABORT HISTORY: last abort cause: MS_ABORT_OVERDEPTH
ABORT HISTORY: last abort details:
ABORT HISTORY: last abort time: 2017-10-19T13:22:11
ABORT HISTORY: last abort segment: ru28-2017-291-0-0 (0282.0000)
ABORT HISTORY: last abort mission: OD.MI
Hit Control-R to RESUME the mission, i.e. dive!
Hit Control-C to END the mission, i.e. GliderDos
Hit Control-E to extend surface time by 5 minutes.
Hit Control-W to get device warning reports.
Hit Control-F to re-read yo, goto_l, surface, sample, drift_ mafiles.
Hit H <0:1> to Hangup and call back in minutes at 0-primary 1-alternate number.
Hit S [-f={rf}|{irid] [-num=] [-t=] [filespec ...] to send log files
Hit ! to execute
Hit Control-T to consci to science computer when comms ready:
... communications ready for consci.
Water Velocity Calculations waiting for final gps fix(ideally -806 secs)
Waypoint: (4004.0621,-7352.5250) Range: 3138m, Bearing: 169deg, Age: 18:18h:m
Time until diving is: 594 secs
^W name in ALLCAPS means CRITICAL device (* => SUPERCRITICAL)
[I Installed] [- Not_Installed]
[u In_use] [- Not_In_use] [X Out_of_Service]
name limits stats (#total/#mission/#segment)
0 simdrvr -
1 test_driver -
2 ARGOS* I u -1 20 5 0
3 WATCHDOG I u -1 -1 -1 0
4 DEADMAN I u -1 20 5 0
5 CONSOLE* I u -1 20 5 0
6 GPS I u -1 20 5 0
7 pinger -
8 attitude -
9 attitude_tcm3 -
10 attitude_rev I u 3 20 5 1 [ 1 0 0] [ 3 1 0] [ 0 0 0]
11 ocean_pressure I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 2 0 0]
12 vacuum I u 3 20 5 0
13 battery I u 3 20 5 0
14lithium_battery -
15 air_pump I u 3 20 5 0
16 pitch_motor I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 4 4 0]
17 science_super I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 10 9 0]
18 roll_motor -
19 fpitch_pump -
20 fin_motor -
21 digifin I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 51 51 2]
22 altimeter I u 3 20 5 0
23 ctd -
24 IRIDIUM* I u -1 20 5 0 [ 0 0 0] [ 0 0 0] [ 48 43 1]
25 leakdetect I u 3 20 5 0
26 recovery -
27 coulomb I u 3 20 5 0
28 veh_temp I u 3 20 5 0
29 BUOYANCY_PUMP I u 3 20 3 0
30THERMAL_ACC_PRE -
31 THERMAL_ENGINE -
32 THERMAL_PUMP -
33 DE_PUMP -
34 HD_PUMP -
35 thruster_g1 -
36 thruster -
devices:(t/m/s) errs: 1/ 0/ 0 warn: 3/ 1/ 0 odd: 115/ 107/ 3
^R212048 4 behavior surface_5: User typed Control-R, resuming
I heard a Control-R
RESUMING MISSION
Megabytes used on CF file system = 58.000000
Megabytes available on CF file system = 1939.968750
212051 02840057.mlg LOG FILE CLOSED
Doing system wide housekeeping.......
report_heap_size(): M_FREE_HEAP=181.0K, M_SPARE_HEAP=162.0K
Running algorithm to free disk space if required
Not necessary to delete any files at this time
Writing longterm state disk file: c:/state/longterm.sta
f_digifin_leakdetect_threshold(nodim) 4.000000
f_fin_safety_max(rad) 0.350000
f_ocean_pressure_min(volts) 0.160061
m_avg_climb_rate(m/s) -0.169519
m_avg_speed(m/s) 0.303138
m_avg_upward_inflection_time(sec) 14.804966
m_battery(volts) 14.024953
m_coulomb_amphr_total(amp-hrs) 18.967937
m_iridium_call_num(nodim) 5746.000000
m_iridium_dialed_num(nodim) 8179.000000
m_lat(lat) 4005.625200
m_lon(lon) -7353.381800
m_pump_stress_remaining_cycles(nodim) 24996.368794
m_pump_stress_track(nodim) 3.631206
m_tot_ballast_pumped_energy(kjoules) 7714.660420
m_tot_horz_dist(km) 6132.044074
m_tot_num_inflections(nodim) 174033.000000
s_ini_lat(deg) 4021.168000
s_ini_lon(deg) -7352.853000
s_water_depth_avg(m) 20.000000
s_water_depth_delta(m) 0.000000
s_water_depth_wavelength(m) 0.000000
x_de_avg_oil_vol_ierr_on_ascent(cc) 0.000000
x_de_avg_oil_vol_ierr_on_descent(cc) 0.000000
x_hover_ballast_deep(cc) 0.000000
x_hover_ballast_shallow(cc) 0.000000
x_hover_depth_deep(m) 0.000000
x_hover_depth_shallow(m) 0.000000
x_last_wpt_lat(lat) 4012.321100
x_last_wpt_lon(lon) -7357.698600
The instantaneous lag time between the system and gps clock is 1.0 seconds.
The average lag time between the system and gps clock is 0.0 seconds.
Housekeeping is done
212115 6 02840058.mlg LOG FILE OPENED
Megabytes used on CF file system = 58.125000
Megabytes available on CF file system = 1939.843750
212116 init_gps_input()
212117 behavior surface_5: SUBSTATE 7 ->10 : Waiting