Connection Event: Carrier Detect found.608571 Iridium console active and ready... Vehicle Name: ru39 Curr Time: Wed Mar 5 21:57:04 2025 MT: 608571 DR Location: 3928.741 N -7247.016 E measured 40.592 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 3929.522 N -7246.770 E measured 93.779 secs ago GPS Location: 3928.741 N -7247.016 E measured 43.694 secs ago sensor:c_wpt_lat(lat)=3932.0118 6908.4 secs ago sensor:c_wpt_lon(lon)=-7304.8544 not found>*.ma< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] 6908.4 secs ago sensor:m_battery(volts)=15.8722563159115 23.735 secs ago sensor:m_coulomb_amphr(amp-hrs)=40.8575400000011 3.809 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=40.8575400000011 3.814 secs ago sensor:m_depth(m)=0 3.714 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 0.048 secs ago sensor:m_gps_mag_var(rad)=0.230383461263252 43.741 secs ago sensor:m_iridium_attempt_num(nodim)=1 36.063 secs ago sensor:m_iridium_call_num(nodim)=2764 0.059 secs ago sensor:m_iridium_dialed_num(nodim)=3280 8.076 secs ago sensor:m_leakdetect_voltage(volts)=2.49990842490842 55.328 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49148351648352 55.292 secs ago sensor:m_leakdetect_voltage_science(volts)=2.49413919413919 55.257 secs ago sensor:m_tot_num_inflections(nodim)=62108 109.422 secs ago sensor:m_vacuum(inHg)=8.24621264957265 51.776 secs ago sensor:m_water_vx(m/s)=0.08989981163204 60.688 secs ago sensor:m_water_vy(m/s)=-0.171102735840518 60.692 secs ago sensor:u_max_altimeter(m)=200 1e+308 secs ago sensor:u_min_water_depth(m)=0 not found>*.dat< not found>*.ini< not found>*.cfg< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] 1e+308 secs ago sensor:u_use_current_correction(nodim)=1 1e+308 secs ago sensor:x_last_wpt_lat(lat)=3929.0386 6908.48 secs ago sensor:x_last_wpt_lon(lon)=-7245.9957 6908.49 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: 2025-02-26T16:58:11 ABORT HISTORY: last abort segment: ru39-2025-056-0-0 (0222.0000) ABORT HISTORY: last abort mission: od.mi 608571 No login script found for processing. Glider ru39 at surface. Because:no comms for a while [behavior surface_3 start_when = 12.0] MissionName:100_n.mi MissionNum:ru39-2025-056-5-117 (0227.0117) Vehicle Name: ru39 Curr Time: Wed Mar 5 21:57:44 2025 MT: 608611 DR Location: 3928.741 N -7247.016 E measured 80.181 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 3929.522 N -7246.770 E measured 133.368 secs ago GPS Location: 3928.741 N -7247.016 E measured 83.283 secs ago sensor:c_wpt_lat(lat)=3932.0118 6947.99 secs ago sensor:c_wpt_lon(lon)=-7304.8544 6947.99 secs ago sensor:m_battery(volts)=15.8722563159115 63.324 secs ago sensor:m_coulomb_amphr(amp-hrs)=40.8636440000011 3.305 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=40.8636440000011 3.309 secs ago sensor:m_depth(m)=0 3.209 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 7.549 secs ago sensor:m_gps_mag_var(rad)=0.230383461263252 83.33 secs ago sensor:m_iridium_attempt_num(nodim)=1 75.652 secs ago sensor:m_iridium_call_num(nodim)=2764 39.648 secs ago sensor:m_iridium_dialed_num(nodim)=3280 47.665 secs ago sensor:m_leakdetect_voltage(volts)=2.5 31.292 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49322344322344 31.256 secs ago sensor:m_leakdetect_voltage_science(volts)=2.49508547008547 31.22 secs ago sensor:m_tot_num_inflections(nodim)=62108 149.01 secs ago sensor:m_vacuum(inHg)=8.72696107448107 27.339 secs ago sensor:m_water_vx(m/s)=0.08989981163204 100.277 secs ago sensor:m_water_vy(m/s)=-0.171102735840518 100.281 secs ago sensor:u_max_altimeter(m)=200 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_last_wpt_lat(lat)=3929.0386 6948.07 secs ago sensor:x_last_wpt_lon(lon)=-7245.9957 6948.08 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 3/ 3/ 0 odd: 252/ 234/ 2 ABORT HISTORY: total since reset: 1 ABORT HISTORY: last abort cause: MS_ABORT_OVERDEPTH ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2025-02-26T16:58:11 ABORT HISTORY: last abort segment: ru39-2025-056-0-0 (0222.0000) 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 -55 secs) Waypoint: (3932.0118,-7304.8544) Range: 26276m, Bearing: 295deg, Age: 1:55h:m Time until diving is: 515 secs s -num=4 *.sbd *.tbd *.tcd *.scd *.vem *.azf *.asc *.obs *.mrd -------------------------------- 608633 11 02270117.mcg 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 608643 14 Neutering the Freewave Console SCI: Implicitly limiting total transfer to 1800 secs, representing 180 KB total size SCI: Enumerating and selecting files About to send 3 files Prechecking is not necessary for this invocation START **B00000000000000 Starting zModem transfer of 02270117.tcd to/from ru39 size is 15619 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: 15360 Total Bytes sent/received: 15619 zModem transfer DONE for file 02270117.tcd Starting zModem transfer of 02270116.tcd to/from ru39 size is 368 Total Bytes sent/received: 368 zModem transfer DONE for file 02270116.tcd Starting zModem transfer of 02270117.azf to/from ru39 size is 4232 Total Bytes sent/received: 1024 Total Bytes sent/received: 2048 Total Bytes sent/received: 3072 Total Bytes sent/received: 4096 Total Bytes sent/received: 4232 zModem transfer DONE for file 02270117.azf . SCI: Sent 3 file(s): 02270117.tcd 02270116.tcd 02270117.azf SCI: SUCCESS 608798 51 Freewave console restored REVERTING FROM SCIENCE COMMAND MODE SCIENCE COMMAND MODE TERMINATED because: Science Program QUIT (cts lowered) 608799 GLD: Enumerating and selecting files About to send 4 files Prechecking is not necessary for this invocation selected IRIDIUM 608799 save_and_change_sensors().... Changed u_use_ctd_depth_for_flying from 0 to 0 Changed c_science_on from 1 to 0 608799 save_and_change_sensors().... Changed c_science_printout from 0 to 0 Waiting for motors idle START **B00000000000000 Starting zModem transfer of 02270117.scd to/from ru39 size is 12453 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: 12453 zModem transfer DONE for file 02270117.scd Starting zModem transfer of 02270116.scd to/from ru39 size is 999 Total Bytes sent/received: 999 zModem transfer DONE for file 02270116.scd Starting zModem transfer of 02270115.scd to/from ru39 size is 12398 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: 12398 zModem transfer DONE for file 02270115.scd Starting zModem transfer of 02270114.scd to/from ru39 size is 784 Total Bytes sent/received: 784 zModem transfer DONE for file 02270114.scd 608967 restore_sensors().... Restored u_use_ctd_depth_for_flying from 0 to 0 Restored c_science_on from 0 to 1 608967 restore_sensors().... 608967 restore_sensors().... Restored c_science_printout from 0 to 0 SHUFFLING FILES .... 608968 GLD: Sent 4 file(s): 02270117.scd 02270116.scd 02270115.scd 02270114.scd GLD: SUCCESS Glider-Science software version match: 10.080000 Science hardware version is 3.000000 608971 52 SCI:PROGLET house_elf begin() called 608971 SCI: house_elf: Version 1.2 608971 SCI:PROGLET ctd41cp begin() called 608971 SCI: ctd41cp: Version 0.2 608971 SCI: ctd41cp: Will be sending the following data to glider: 608971 SCI: sci_water_cond(s/m) 608971 SCI: sci_water_temp(degc) 608971 SCI: sci_water_pressure(bar) 608971 SCI: sci_ctd41cp_timestamp(timestamp) 608971 SCI:PROGLET sbe41n_ph begin() called 608971 SCI:PROGLET flbbcd begin() called 608971 SCI: flbbcd: Version 0.0 608971 SCI: flbbcd: Will be sending following data to glider: 608971 SCI: sci_flbbcd_chlor_units(ug/l) 608971 SCI: sci_flbbcd_bb_units(nodim) 608971 SCI: sci_flbbcd_cdom_units(ppb) 608971 SCI: sci_flbbcd_chlor_sig(nodim) 608971 SCI: sci_flbbcd_bb_sig(nodim) 608971 SCI: sci_flbbcd_cdom_sig(nodim) 608971 SCI: sci_flbbcd_chlor_ref(nodim) 608971 SCI: sci_flbbcd_bb_ref(nodim) 608971 SCI: sci_flbbcd_cdom_ref(nodim) 608971 SCI: sci_flbbcd_therm(nodim) 608971 SCI: sci_flbbcd_timestamp(timestamp) 608971 SCI:Bit(0) raise count is now 0. 608971 SCI:Bit(0) raise count is now 0. 608971 SCI:PROGLET azfp begin() called 608971 SCI:PROGLET house_elf start() called 608971 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal) 608971 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal) 608971 SCI:PROGLET ctd41cp start() called 608971 SCI: Opening port 3:J3 608971 SCI: 9600 baud, N81, line buf: 50, no input data timeout(secs): 15 608971 SCI:bit_raise: Raising bit(0). 608971 SCI: ctd41cp_run(): 0 error(s) in a row. (5 is fatal) 608971 SCI: ctd41cp_run(): 0 error(s) since ctd41cp_begin(). (50 is fatal) 608986 55 02270118.mcg LOG FILE OPENED -------------------------------- 608986 behavior surface_3: SUBSTATE 7 ->7 : After data transmission, waiting for control-C to exit/resume Glider ru39 at surface. Because:no comms for a while [behavior surface_3 start_when = 12.0] MissionName:100_n.mi MissionNum:ru39-2025-056-5-118 (0227.0118) Vehicle Name: ru39 Curr Time: Wed Mar 5 22:04:00 2025 MT: 608987 DR Location: 3928.741 N -7247.016 E measured 456.475 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 3929.522 N -7246.770 E measured 509.662 secs ago GPS Location: 3928.741 N -7247.016 E measured 459.577 secs ago sensor:c_wpt_lat(lat)=3932.0118 7324.28 secs ago sensor:c_wpt_lon(lon)=-7304.8544 7324.28 secs ago sensor:m_battery(volts)=15.8674169931777 0.321 secs ago sensor:m_coulomb_amphr(amp-hrs)=40.9112520000011 0.418 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=40.9112520000011 0.423 secs ago sensor:m_depth(m)=0.120988055064335 0.234 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 0.654 secs ago sensor:m_gps_mag_var(rad)=0.230383461263252 459.624 secs ago sensor:m_iridium_attempt_num(nodim)=0 356.342 secs ago sensor:m_iridium_call_num(nodim)=2764 415.942 secs ago sensor:m_iridium_dialed_num(nodim)=3280 423.959 secs ago sensor:m_leakdetect_voltage(volts)=2.5 0.217 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49233821733822 0.181 secs ago sensor:m_leakdetect_voltage_science(volts)=2.4949938949939 0.146 secs ago sensor:m_tot_num_inflections(nodim)=62108 525.304 secs ago sensor:m_vacuum(inHg)=9.25286454212454 0.325 secs ago sensor:m_water_vx(m/s)=0.08989981163204 476.571 secs ago sensor:m_water_vy(m/s)=-0.171102735840518 476.574 secs ago sensor:u_max_altimeter(m)=200 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_last_wpt_lat(lat)=3929.0386 7324.37 secs ago sensor:x_last_wpt_lon(lon)=-7245.9957 7324.37 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 3/ 3/ 0 odd: 252/ 234/ 2 ABORT HISTORY: total since reset: 1 ABORT HISTORY: last abort cause: MS_ABORT_OVERDEPTH ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2025-02-26T16:58:11 ABORT HISTORY: last abort segment: ru39-2025-056-0-0 (0222.0000) 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 -432 secs) Waypoint: (3932.0118,-7304.8544) Range: 26276m, Bearing: 295deg, Age: 2:2h:m Time until diving is: 598 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) os w/s w/m os errors warnings oddities 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 [ 0 0 0] [ 3 3 0] [ 0 0 0] 7 attitude_rev I u 3 20 5 0 8 ocean_pressure I u 3 20 5 0 9 vacuum I u 3 20 5 0 10 battery I u 3 20 5 0 11 air_pump I u 3 20 5 0 12 pitch_motor I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 3 3 0] 13 science_super I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 61 60 0] 14 digifin I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 145 142 2] 15 altimeter - 16 altimeter_232 I u 3 20 5 0 17 IRIDIUM* I u -1 20 5 0 [ 0 0 0] [ 0 0 0] [ 32 18 0] 18 leakdetect I u 3 20 5 0 19 recovery - 20 coulomb I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 10 10 0] 21 veh_temp I u 3 20 5 0 22 BUOYANCY_PUMP I u 3 20 3 0 [ 0 0 0] [ 0 0 0] [ 1 1 0] 23 DE_PUMP - 24 HD_PUMP - 25 thruster - devices:(t/m/s) errs: 0/ 0/ 0 warn: 3/ 3/ 0 odd: 252/ 234/ 2 I heard a character ('CR'), but not the right one Drained the following 2 pending chars from input buffer: 12 0d ^R CR .. Glider ru39 at surface. Because:no comms for a while [behavior surface_3 start_when = 12.0] MissionName:100_n.mi MissionNum:ru39-2025-056-5-118 (0227.0118) Vehicle Name: ru39 Curr Time: Wed Mar 5 22:04:43 2025 MT: 609030 DR Location: 3928.741 N -7247.016 E measured 498.981 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 3929.522 N -7246.770 E measured 552.167 secs ago GPS Location: 3928.741 N -7247.016 E measured 502.083 secs ago sensor:c_wpt_lat(lat)=3932.0118 7366.79 secs ago sensor:c_wpt_lon(lon)=-7304.8544 7366.79 secs ago sensor:m_battery(volts)=15.8674169931777 42.827 secs ago sensor:m_coulomb_amphr(amp-hrs)=40.9173560000011 3.314 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=40.9173560000011 3.318 secs ago sensor:m_depth(m)=0.333454883469961 3.22 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 3.55 secs ago sensor:m_gps_mag_var(rad)=0.230383461263252 502.13 secs ago sensor:m_iridium_attempt_num(nodim)=0 398.848 secs ago sensor:m_iridium_call_num(nodim)=2764 458.448 secs ago sensor:m_iridium_dialed_num(nodim)=3280 466.465 secs ago sensor:m_leakdetect_voltage(volts)=2.5 42.723 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49233821733822 42.687 secs ago sensor:m_leakdetect_voltage_science(volts)=2.4949938949939 42.652 secs ago sensor:m_tot_num_inflections(nodim)=62108 567.81 secs ago sensor:m_vacuum(inHg)=9.25286454212454 42.831 secs ago sensor:m_water_vx(m/s)=0.08989981163204 519.077 secs ago sensor:m_water_vy(m/s)=-0.171102735840518 519.08 secs ago sensor:u_max_altimeter(m)=200 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_last_wpt_lat(lat)=3929.0386 7366.87 secs ago sensor:x_last_wpt_lon(lon)=-7245.9957 7366.88 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 3/ 3/ 0 odd: 252/ 234/ 2 ABORT HISTORY: total since reset: 1 ABORT HISTORY: last abort cause: MS_ABORT_OVERDEPTH ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2025-02-26T16:58:11 ABORT HISTORY: last abort segment: ru39-2025-056-0-0 (0222.0000) 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 -474 secs) Waypoint: (3932.0118,-7304.8544) Range: 26276m, Bearing: 295deg, Age: 2:2h:m Time until diving is: 555 secs ^R609045 70 behavior surface_3: User typed Control-R, resuming I heard a Control-R RESUMING MISSION 609046 02270118.mcg LOG FILE CLOSED Doing system wide housekeeping....... report_heap_size(): M_FREE_HEAP=242.8K(248592 bytes) M_MIN_FREE_HEAP=162.1K(165988 bytes) M_SRAM_FREE_HEAP=1293.4K(1324480 bytes) M_SRAM_MIN_FREE_HEAP=1165.4K(1193368 bytes) Running algorithm to free disk space if required Not necessary to delete any files at this time Scanning free space... Megabytes used on c: = 92.054688 Megabytes available on c: = 7782.945312 Megabytes used on w: = 0.021973 Megabytes available on w: = 0.978027 Writing longterm state disk file: c:/state/longterm.sta f_coulomb_battery_capacity(amp-hrs) 225.000000 f_ocean_pressure_min(volts) 0.086810 m_avg_climb_rate(m/s) -0.088861 m_avg_speed(m/s) 0.279455 m_avg_upward_inflection_time(sec) 18.502734 m_battery(volts) 15.867417 m_coulomb_amphr_total(amp-hrs) 40.920040 m_iridium_call_num(nodim) 2764.000000 m_iridium_dialed_num(nodim) 3280.000000 m_lat(lat) 3928.741100 m_lon(lon) -7247.016300 m_pump_effective_num_cycles(nodim) 3593.849760 m_tot_ballast_pumped_energy(kjoules) 7159.584132 m_tot_horz_dist(km) 4211.109946 m_tot_num_inflections(nodim) 62108.000000 m_tot_num_thermal_valve_cmd(nodim) 0.000000 m_weight_drop(bool) 0.000000 s_water_depth_avg(m) 200.000000 s_water_depth_delta(m) 0.000000 s_water_depth_wavelength(m) 100.000000 x_hover_ballast_de