Connection Event: Carrier Detect found.728294 Iridium console active and ready... Vehicle Name: ru38 Curr Time: Fri May 16 19:10:43 2025 MT: 728294 DR Location: 2422.152 N -8325.427 E measured 40.6 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 2420.613 N -8324.864 E measured 88.635 secs ago GPS Location: 2422.152 N -8325.427 E measured 42.712 secs ago sensor:c_thruster_surface_depth(m)=0 10292.1 secs ago sensor:c_wpt_lat(lat)=2431.681 1 not found>*.ma< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] 0709.8 secs ago sensor:c_wpt_lon(lon)=-8327.621 10709.8 secs ago sensor:m_battery(volts)=15.0058404945042 39.751 secs ago sensor:m_coulomb_amphr(amp-hrs)=188.764436000027 3.816 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=191.234433000029 3.82 secs ago sensor:m_depth(m)=0 3.683 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 0.05 secs ago sensor:m_gps_mag_var(rad)=0.069813170079773 42.761 secs ago sensor:m_iridium_attempt_num(nodim)=1 36.076 secs ago sensor:m_iridium_call_num(nodim)=1592 0.061 secs ago sensor:m_iridium_dialed_num(nodim)=2353 8.078 secs ago sensor:m_leakdetect_voltage(volts)=2.48693528693529 11.77 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.5 11.734 secs ago sensor:m_leakdetect_voltage_science(volts)=2.5 11.698 secs ago sensor:m_tot_num_inflections(nodim)=4234 64.695 secs ago sensor:m_vacuum(inHg)=9.0033432967033 7.738 secs ago sensor:m_water_vel_dir(rad)=4.74977069849709 44.687 secs a not found>*.dat< not found>*.ini< not found>*.cfg< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] go sensor:m_water_vel_mag(m/s)=0.3429025461341 44.692 secs ago sensor:m_water_vx(m/s)=-0.342662989249364 44.696 secs ago sensor:m_water_vy(m/s)=0.012815301164583 44.699 secs ago sensor:u_alt_min_depth(m)=2 1e+308 secs ago sensor:u_use_current_correction(nodim)=1 10766.4 secs ago sensor:x_last_wpt_lat(lat)=2511.459 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-8429.749 1e+308 secs ago ABORT HISTORY: total since reset: 2 ABORT HISTORY: last abort cause: MS_ABORT_BEH_ERROR ABORT HISTORY: last abort details: layered_control(): Behavior surface_2 entered B_ERROR state ABORT HISTORY: last abort time: 2025-05-08T08:41:21 ABORT HISTORY: last abort segment: ru38-2025-111-1-166 (0142.0166) ABORT HISTORY: last abort mission: 1k_n.mi 728295 No login script found for processing. !put u_use_current_correction 1 -------------------------------- 728315 78 sensor: u_use_current_correction = 1 nodim -------------------------------- 728315 behavior surface_2: ! succeeded:put u_use_current_correction 1 728315 behavior surface_2: SUBSTATE 7 ->7 : After ! command, waiting for control-C to exit/resume Glider ru38 at surface. Because:nothing commanded [behavior surface_2 start_when = 1.0] MissionName:1k_n.mi MissionNum:ru38-2025-127-0-82 (0143.0082) Vehicle Name: ru38 Curr Time: Fri May 16 19:11:24 2025 MT: 728336 DR Location: 2422.152 N -8325.427 E measured 81.89 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 2420.613 N -8324.864 E measured 129.926 secs ago GPS Location: 2422.152 N -8325.427 E measured 84.002 secs ago sensor:c_thruster_surface_depth(m)=0 10333.4 secs ago sensor:c_wpt_lat(lat)=2431.681 10751.1 secs ago sensor:c_wpt_lon(lon)=-8327.621 10751.1 secs ago sensor:m_battery(volts)=14.9814430140404 19.493 secs ago sensor:m_coulomb_amphr(amp-hrs)=188.769444000027 3.309 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=191.239441000029 3.313 secs ago sensor:m_depth(m)=0 11.176 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 7.551 secs ago sensor:m_gps_mag_var(rad)=0.069813170079773 84.051 secs ago sensor:m_iridium_attempt_num(nodim)=0 25.852 secs ago sensor:m_iridium_call_num(nodim)=1592 41.351 secs ago sensor:m_iridium_dialed_num(nodim)=2353 49.369 secs ago sensor:m_leakdetect_voltage(volts)=2.48693528693529 53.06 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.5 53.025 secs ago sensor:m_leakdetect_voltage_science(volts)=2.5 52.989 secs ago sensor:m_tot_num_inflections(nodim)=4234 105.986 secs ago sensor:m_vacuum(inHg)=9.0033432967033 49.028 secs ago sensor:m_water_vel_dir(rad)=4.74977069849709 85.977 secs ago sensor:m_water_vel_mag(m/s)=0.3429025461341 85.982 secs ago sensor:m_water_vx(m/s)=-0.342662989249364 85.986 secs ago sensor:m_water_vy(m/s)=0.012815301164583 85.99 secs ago sensor:u_alt_min_depth(m)=2 1e+308 secs ago sensor:u_use_current_correction(nodim)=1 21.274 secs ago sensor:x_last_wpt_lat(lat)=2511.459 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-8429.749 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 16/ 6/ 0 odd: 914/ 193/ 3 ABORT HISTORY: total since reset: 2 ABORT HISTORY: last abort cause: MS_ABORT_BEH_ERROR ABORT HISTORY: last abort details: layered_control(): Behavior surface_2 entered B_ERROR state ABORT HISTORY: last abort time: 2025-05-08T08:41:21 ABORT HISTORY: last abort segment: ru38-2025-111-1-166 (0142.0166) ABORT HISTORY: last abort mission: 1k_n.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 COMPLETE Waypoint: (2431.6810,-8327.6210) Range: 18145m, Bearing: 350deg, Age: 2:59h:m Time until diving is: 279 secs s -num=4 *.sbd *.tbd *.tcd *.scd *.vem *.azf *.asc *.obs *.mrd -------------------------------- 728367 90 01430082.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 728377 93 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 2 files Prechecking is not necessary for this invocation START **B00000000000000 Starting zModem transfer of 01430082.tcd to/from ru38 size is 19916 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: 16384 Total Bytes sent/received: 17408 Total Bytes sent/received: 18432 Total Bytes sent/received: 19456 Total Bytes sent/received: 19916 zModem transfer DONE for file 01430082.tcd Starting zModem transfer of 01430081.tcd to/from ru38 size is 382 Total Bytes sent/received: 382 zModem transfer DONE for file 01430081.tcd . SCI: Sent 2 file(s): 01430082.tcd 01430081.tcd SCI: SUCCESS 728513 26 Freewave console restored REVERTING FROM SCIENCE COMMAND MODE SCIENCE COMMAND MODE TERMINATED because: Science Program QUIT (cts lowered) 728515 GLD: Enumerating and selecting files About to send 2 files Prechecking is not necessary for this invocation selected IRIDIUM 728516 save_and_change_sensors().... Changed u_use_ctd_depth_for_flying from 0 to 0 Changed c_science_on from 1 to 0 728516 save_and_change_sensors().... Changed c_science_printout from 0 to 0 Waiting for motors idle START **B00000000000000 Starting zModem transfer of 01430082.scd to/from ru38 size is 7692 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: 7692 zModem transfer DONE for file 01430082.scd Starting zModem transfer of 01430081.scd to/from ru38 size is 799 Total Bytes sent/received: 799 zModem transfer DONE for file 01430081.scd 728584 restore_sensors().... Restored u_use_ctd_depth_for_flying from 0 to 0 Restored c_science_on from 0 to 1 728584 restore_sensors().... 728584 restore_sensors().... Restored c_science_printout from 0 to 0 SHUFFLING FILES .. 728584 GLD: Sent 2 file(s): 01430082.scd 01430081.scd GLD: SUCCESS Glider-Science software version match: 311349.100000 Science hardware version is 3.000000 728587 27 SCI:PROGLET house_elf begin() called 728587 SCI: house_elf: Version 1.2 728587 SCI:PROGLET ctd41cp begin() called 728587 SCI: ctd41cp: Version 0.2 728587 SCI: ctd41cp: Will be sending the following data to glider: 728587 SCI: sci_water_cond(s/m) 728587 SCI: sci_water_temp(degc) 728587 SCI: sci_water_pressure(bar) 728587 SCI: sci_ctd41cp_timestamp(timestamp) 728587 SCI:PROGLET oxy4 begin() called 728587 SCI: oxy4: Version 0.0 728587 SCI: oxy4: Will be sending following data to glider: 728587 SCI: sci_oxy4_oxygen(um) 728587 SCI: sci_oxy4_saturation(%) 728587 SCI: sci_oxy4_temp(degc) 728587 SCI: sci_oxy4_calphase(deg) 728587 SCI: sci_oxy4_tcphase(deg) 728588 SCI: sci_oxy4_c1rph(deg) 728588 SCI: sci_oxy4_c2rph(deg) 728588 SCI: sci_oxy4_c1amp(mv) 728588 SCI: sci_oxy4_c2amp(mv) 728588 SCI: sci_oxy4_rawtemp(mv) 728588 SCI: sci_oxy4_timestamp(timestamp) 728588 SCI:Bit(2) raise count is now 0. 728588 SCI:Bit(2) raise count is now 0. 728588 SCI:PROGLET ad2cp begin() called 728588 SCI:PROGLET house_elf start() called 728588 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal) 728588 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal) 728604 30 01430083.mcg LOG FILE OPENED -------------------------------- 728604 behavior surface_2: SUBSTATE 7 ->7 : After data transmission, waiting for control-C to exit/resume Glider ru38 at surface. Because:nothing commanded [behavior surface_2 start_when = 1.0] MissionName:1k_n.mi MissionNum:ru38-2025-127-0-83 (0143.0083) Vehicle Name: ru38 Curr Time: Fri May 16 19:15:53 2025 MT: 728605 DR Location: 2422.152 N -8325.427 E measured 351.019 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 2420.613 N -8324.864 E measured 399.054 secs ago GPS Location: 2422.152 N -8325.427 E measured 353.131 secs ago sensor:c_thruster_surface_depth(m)=0 10602.5 secs ago sensor:c_wpt_lat(lat)=2431.681 11020.2 secs ago sensor:c_wpt_lon(lon)=-8327.621 11020.2 secs ago sensor:m_battery(volts)=14.9691771009147 0.323 secs ago sensor:m_coulomb_amphr(amp-hrs)=188.802036000027 0.459 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=191.272033000029 0.463 secs ago sensor:m_depth(m)=0 0.235 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 6.652 secs ago sensor:m_gps_mag_var(rad)=0.069813170079773 353.18 secs ago sensor:m_iridium_attempt_num(nodim)=0 294.981 secs ago sensor:m_iridium_call_num(nodim)=1592 310.479 secs ago sensor:m_iridium_dialed_num(nodim)=2353 318.497 secs ago sensor:m_leakdetect_voltage(volts)=2.48699633699634 0.218 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.5 0.182 secs ago sensor:m_leakdetect_voltage_science(volts)=2.5 0.146 secs ago sensor:m_tot_num_inflections(nodim)=4234 375.114 secs ago sensor:m_vacuum(inHg)=9.44089186813186 0.324 secs ago sensor:m_water_vel_dir(rad)=4.74977069849709 355.105 secs ago sensor:m_water_vel_mag(m/s)=0.3429025461341 355.11 secs ago sensor:m_water_vx(m/s)=-0.342662989249364 355.114 secs ago sensor:m_water_vy(m/s)=0.012815301164583 355.118 secs ago sensor:u_alt_min_depth(m)=2 1e+308 secs ago sensor:u_use_current_correction(nodim)=1 290.403 secs ago sensor:x_last_wpt_lat(lat)=2511.459 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-8429.749 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 16/ 6/ 0 odd: 914/ 193/ 3 ABORT HISTORY: total since reset: 2 ABORT HISTORY: last abort cause: MS_ABORT_BEH_ERROR ABORT HISTORY: last abort details: layered_control(): Behavior surface_2 entered B_ERROR state ABORT HISTORY: last abort time: 2025-05-08T08:41:21 ABORT HISTORY: last abort segment: ru38-2025-111-1-166 (0142.0166) ABORT HISTORY: last abort mission: 1k_n.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 COMPLETE Waypoint: (2431.6810,-8327.6210) Range: 18145m, Bearing: 350deg, Age: 3:3h:m Time until diving is: 299 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] [ 15 6 0] [ 0 0 0] 7 attitude_rev I u 3 20 5 0 8 ocean_pressure I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 107 0 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] [ 26 4 0] 13 science_super I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 22 4 0] 14 digifin I u 3 20 5 0 [ 0 0 0] [ 1 0 0] [ 644 170 2] 15 altimeter I u 3 20 5 0 16 altimeter_232 - 17 IRIDIUM* I u -1 20 5 0 [ 0 0 0] [ 0 0 0] [ 76 10 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] [ 39 5 1] 21 veh_temp I u 3 20 5 0 22 BUOYANCY_PUMP - 23 DE_PUMP - 24 HD_PUMP I u 3 20 5 0 25 thruster I u 3 20 5 0 devices:(t/m/s) errs: 0/ 0/ 0 warn: 16/ 6/ 0 odd: 914/ 193/ 3 I heard a character ('CR'), but not the right one Drained the following 2 pending chars from input buffer: 12 0d ^R CR .. Glider ru38 at surface. Because:nothing commanded [behavior surface_2 start_when = 1.0] MissionName:1k_n.mi MissionNum:ru38-2025-127-0-83 (0143.0083) Vehicle Name: ru38 Curr Time: Fri May 16 19:16:36 2025 MT: 728649 DR Location: 2422.152 N -8325.427 E measured 394.228 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 2420.613 N -8324.864 E measured 442.264 secs ago GPS Location: 2422.152 N -8325.427 E measured 396.34 secs ago sensor:c_thruster_surface_depth(m)=0 10645.8 secs ago sensor:c_wpt_lat(lat)=2431.681 11063.4 secs ago sensor:c_wpt_lon(lon)=-8327.621 11063.4 secs ago sensor:m_battery(volts)=14.9691771009147 43.533 secs ago sensor:m_coulomb_amphr(amp-hrs)=188.807036000027 3.309 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=191.277033000029 3.313 secs ago sensor:m_depth(m)=0 11.096 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 7.541 secs ago sensor:m_gps_mag_var(rad)=0.069813170079773 396.389 secs ago sensor:m_iridium_attempt_num(nodim)=0 338.19 secs ago sensor:m_iridium_call_num(nodim)=1592 353.689 secs ago sensor:m_iridium_dialed_num(nodim)=2353 361.707 secs ago sensor:m_leakdetect_voltage(volts)=2.48699633699634 43.427 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.5 43.392 secs ago sensor:m_leakdetect_voltage_science(volts)=2.5 43.356 secs ago sensor:m_tot_num_inflections(nodim)=4234 418.324 secs ago sensor:m_vacuum(inHg)=9.44089186813186 43.533 secs ago sensor:m_water_vel_dir(rad)=4.74977069849709 398.315 secs ago sensor:m_water_vel_mag(m/s)=0.3429025461341 398.32 secs ago sensor:m_water_vx(m/s)=-0.342662989249364 398.324 secs ago sensor:m_water_vy(m/s)=0.012815301164583 398.328 secs ago sensor:u_alt_min_depth(m)=2 1e+308 secs ago sensor:u_use_current_correction(nodim)=1 333.612 secs ago sensor:x_last_wpt_lat(lat)=2511.459 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-8429.749 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 16/ 6/ 0 odd: 914/ 193/ 3 ABORT HISTORY: total since reset: 2 ABORT HISTORY: last abort cause: MS_ABORT_BEH_ERROR ABORT HISTORY: last abort details: layered_control(): Behavior surface_2 entered B_ERROR state ABORT HISTORY: last abort time: 2025-05-08T08:41:21 ABORT HISTORY: last abort segment: ru38-2025-111-1-166 (0142.0166) ABORT HISTORY: last abort mission: 1k_n.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 COMPLETE Waypoint: (2431.6810,-8327.6210) Range: 18145m, Bearing: 350deg, Age: 3:4h:m Time until diving is: 255 secs ^R728668 46 behavior surface_2: User typed Control-R, resuming I heard a Control-R RESUMING MISSION 728668 01430083.mcg LOG FILE CLOSED Doing system wide housekeeping....... report_heap_size(): M_FREE_HEAP=280.9K(287656 bytes) M_MIN_FREE_HEAP=198.9K(203660 bytes) M_SRAM_FREE_HEAP=2313.5K(2369040 bytes) M_SRAM_MIN_FREE_HEAP=2185.5K(2237928 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: = 326.738281 Megabytes available on c: = 7548.261719 Megabytes used on w: = 0.021973 Megabytes available on w: = 0.978027 Writing longterm state disk file: c:/state/longterm.sta f_ocean_pressure_min(volts) 0.097152 m_avg_climb_rate(m/s) -0.155276 m_avg_speed(m/s) 0.385761 m_avg_upward_inflection_time(sec) 262.331848 m_battery(volts) 14.969177 m_coulomb_amphr_total(amp-hrs) 191.279481 m_iridium_call_num(nodim) 1592.000000 m_iridium_dialed_num(nodim) 2353.000000 m_lat(lat) 2422.151700 m_lon(lon) -8325.426600 m_pump_effective_num_cycles(nodim) 2120.000000 m_tot_ballast_pumped_energy(kjoules) 0.000000 m_tot_horz_dist(km) 6502.821312 m_tot_num_inflections(nodim) 4234.000000 m_tot_num_thermal_valve_cmd(nodim) 4900.000000 m_weight_drop(bool) 0.000000 s_ini_lat(deg) 3900.000000 s_ini_lon(deg) -7400.000000 s_water_depth_avg(m) 1000.000000 s_water_depth_delta(m) 0.000000 s_water_depth_wavelength(m) 100.000000 u_sequence_start_delay(s) 240.000000 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) 2511.459000 x_last_wpt_lon(lon) -8429.749000 Housekeeping is done 728680 48 01430084.mcg LOG FILE OPENED 728680 init_gps_input() 728680 be