Connection Event: Carrier Detect found. NO CARRIER RING CONNECT 4800/ARQ/V32/LAPM 387580 Iridium console active and ready... Vehicle Name: sbu01 Curr Time: Mon Aug 12 06:10:07 2019 MT: 387579 DR Location: 4018.332 N -7347.814 E measured 48.761 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4017.251 N -7347.528 E measured 104.272 secs ago GPS Location: 4018.332 N -7347.814 E measured 49.768 secs ago sensor:c_wpt_lat(lat)=4020.4707 8135.41 secs ago sensor:c_wpt_lon(lon)=-7347.47 8135.48 secs ago sensor:m_battery(volts)=13.5573634903214 29.153 secs ago sensor:m_coulomb_amphr(amp-hrs)=29.126464 4.427 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=121.351420062773 3.88 secs ago sensor:m_final_wate 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 ... ] ... ] r_vx(m/s)=0.0151580350388052 8306.53 secs ago sensor:m_final_water_vy(m/s)=-0.0206852281510636 8306.57 secs ago sensor:m_iridium_signal_strength(nodim)=-1 13.316 secs ago sensor:m_leakdetect_voltage(volts)=2.4947496947497 29.306 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48476800976801 29.326 secs ago sensor:m_lithium_battery_relative_charge(%)=83.1456361023926 4.137 secs ago sensor:m_tot_num_inflections(nodim)=6234 129.923 secs ago sensor:m_vacuum(inHg)=9.08118315018314 29.622 secs ago sensor:m_water_vx(m/s)=-0.0141093402595407 71.479 secs ago sensor:m_water_vy(m/s)=0.0803053282362846 71.522 secs ago sensor:u_use_current_correction(nodim)=1 8219.54 secs ago sensor:x_last_wpt_lat(lat)=4017.5 8491.38 secs ago sensor:x_last_wpt_lon(lon)=-7347.5 8491.44 secs ago ABORT HISTORY: total since reset: 1 ABORT HISTORY: last abort cause: MS_ABORT_USER_INTERRUPT ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2019-08-01T20:59:59 ABORT HISTORY: last abort segment: sbu01-2019-212-0-12 (0132.0012) ABORT HISTORY: last abort mission: initial.mi 387581 No login script found for processing. !put u_use_current_correction 1 -------------------------------- 387608 94 sensor: u_use_current_correction = 1 nodim -------------------------------- 387608 behavior surface_4: ! succeeded:put u_use_current_correction 1 387608 behavior surface_4: SUBSTATE 7 ->7 : After ! command, waiting for control-C to exit/resume Glider sbu01 at surface. Because:no comms for a while [behavior surface_4 start_when = 12.0] MissionName:200_MAB.MI MissionNum:sbu01-2019-218-0-66 (0134.0066) Vehicle Name: sbu01 Curr Time: Mon Aug 12 06:10:42 2019 MT: 387615 DR Location: 4018.332 N -7347.814 E measured 84.007 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4017.251 N -7347.528 E measured 139.52 secs ago GPS Location: 4018.332 N -7347.814 E measured 85.015 secs ago sensor:c_wpt_lat(lat)=4020.4707 8170.63 secs ago sensor:c_wpt_lon(lon)=-7347.47 8170.67 secs ago sensor:m_battery(volts)=13.5573634903214 64.333 secs ago sensor:m_coulomb_amphr(amp-hrs)=29.131348 3.897 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=121.35630406271 3.342 secs ago sensor:m_final_water_vx(m/s)=0.0151580350388052 8341.68 secs ago sensor:m_final_water_vy(m/s)=-0.0206852281510636 8341.71 secs ago sensor:m_iridium_signal_strength(nodim)=-1 48.454 secs ago sensor:m_leakdetect_voltage(volts)=2.49468864468864 3.326 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48458485958486 3.342 secs ago sensor:m_lithium_battery_relative_charge(%)=83.1449577690681 3.553 secs ago sensor:m_tot_num_inflections(nodim)=6234 165.026 secs ago sensor:m_vacuum(inHg)=9.08118315018314 64.709 secs ago sensor:m_water_vx(m/s)=-0.0141093402595407 106.556 secs ago sensor:m_water_vy(m/s)=0.0803053282362846 106.59 secs ago sensor:u_use_current_correction(nodim)=1 8.525 secs ago sensor:x_last_wpt_lat(lat)=4017.5 8526.41 secs ago sensor:x_last_wpt_lon(lon)=-7347.5 8526.44 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 25/ 13/ 0 odd: 422/ 166/ 2 ABORT HISTORY: total since reset: 1 ABORT HISTORY: last abort cause: MS_ABORT_USER_INTERRUPT ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2019-08-01T20:59:59 ABORT HISTORY: last abort segment: sbu01-2019-212-0-12 (0132.0012) ABORT HISTORY: last abort mission: initial.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 -50 secs) Waypoint: (4020.4707,-7347.4700) Range: 3987m, Bearing: 19deg, Age: 2:16h:m Time until diving is: 590 secs s *.sbd *.tbd -------------------------------- 387636 0 01340066.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 387646 2 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 01340066.tbd to/from sbu01 size is 11678 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: 11678 zModem transfer DONE for file 01340066.tbd Starting zModem transfer of 01340065.tbd to/from sbu01 size is 455 Total Bytes sent/received: 455 zModem transfer DONE for file 01340065.tbd SHUFFLING FILES.. SCI: Sent 2 file(s): c:\logs\01340066.TBD c:\logs\01340065.TBD SCI: SUCCESS 387744 25 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 387747 save_and_change_sensors().... Changed u_use_ctd_depth_for_flying from 0 to 0 Changed c_science_on from 1 to 0 387747 save_and_change_sensors().... Changed c_science_printout from 0 to 0 Waiting for motors idle START **B00000000000000 � Starting zModem transfer of 01340066.sbd to/from sbu01 size is 18689 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: 18689 zModem transfer DONE for file 01340066.sbd Starting zModem transfer of 01340065.sbd to/from sbu01 size is 860 Total Bytes sent/received: 860 zModem transfer DONE for file 01340065.sbd 87884 restore_sensors().... Restored u_use_ctd_depth_for_flying from 0 to 0 Restored c_science_on from 0 to 1 387884 restore_sensors().... 387884 restore_sensors().... Restored c_science_printout from 0 to 0 SHUFFLING FILES.. GLD: Sent 2 file(s): c:\logs\01340066.SBD c:\logs\01340065.SBD GLD: SUCCESS Glider-Science software version match: 8.100000 Science hardware version is 2.000000 387958 42 SCI:PROGLET house_elf begin() called 387958 SCI: house_elf: Version 1.2 387959 SCI:PROGLET ctd41cp begin() called 387959 SCI: ctd41cp: Version 0.2 387959 SCI: ctd41cp: Will be sending the following data to glider: 387959 SCI: sci_water_cond(s/m) 387959 SCI: sci_water_temp(degc) 387959 SCI: sci_water_pressure(bar) 387959 SCI: sci_ctd41cp_timestamp(timestamp) 387959 SCI:PROGLET flbbcd begin() called 387959 SCI: flbbcd: Version 0.0 387960 44 SCI: flbbcd: Will be sending following data to glider: 387960 SCI: sci_flbbcd_chlor_units(ug/l) 387960 SCI: sci_flbbcd_bb_units(nodim) 387961 SCI: sci_flbbcd_cdom_units(ppb) 387961 SCI: sci_flbbcd_chlor_sig(nodim) 387962 SCI: sci_flbbcd_bb_sig(nodim) 387962 SCI: sci_flbbcd_cdom_sig(nodim) 387962 SCI: sci_flbbcd_chlor_ref(nodim) 387962 SCI: sci_flbbcd_bb_ref(nodim) 387962 SCI: sci_flbbcd_cdom_ref(nodim) 387962 SCI: sci_flbbcd_therm(nodim) 387962 SCI: sci_flbbcd_timestamp(timestamp) 387962 SCI: Opening Bit(0) for output 387962 SCI:Bit(0) use count is now 1. 387962 SCI:Bit(0) raise count is now 0. 387962 SCI:Bit(0) raise count is now 0. 387962 SCI:PROGLET oxy4 begin() called 387962 SCI: oxy4: Version 0.0 387963 SCI: oxy4: Will be sending following data to glider: 387963 SCI: sci_oxy4_oxygen(um) 387963 SCI: sci_oxy4_saturation(%) 387963 SCI: sci_oxy4_temp(degc) 387963 SCI: sci_oxy4_calphase(deg) 387963 SCI: sci_oxy4_tcphase(deg) 387963 SCI: sci_oxy4_c1rph(deg) 387963 SCI: sci_oxy4_c2rph(deg) 387963 SCI: sci_oxy4_c1amp(mv) 387963 SCI: sci_oxy4_c2amp(mv) 387963 SCI: sci_oxy4_rawtemp(mv) 387963 SCI: sci_oxy4_timestamp(timestamp) 387963 SCI: Opening Bit(2) for output 387964 45 SCI:Bit(2) use count is now 1. 387964 SCI:Bit(2) raise count is now 0. 387964 SCI:Bit(2) raise count is now 0. 387967 SCI:PROGLET house_elf start() called 387967 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal) 387967 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal) 388036 49 01340067.mlg LOG FILE OPENED -------------------------------- 388037 behavior surface_4: SUBSTATE 7 ->7 : After data transmission, waiting for control-C to exit/resume Glider sbu01 at surface. Because:no comms for a while [behavior surface_4 start_when = 12.0] MissionName:200_MAB.MI MissionNum:sbu01-2019-218-0-67 (0134.0067) Vehicle Name: sbu01 Curr Time: Mon Aug 12 06:17:49 2019 MT: 388042 DR Location: 4018.332 N -7347.814 E measured 510.579 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4017.251 N -7347.528 E measured 566.092 secs ago GPS Location: 4018.332 N -7347.814 E measured 511.586 secs ago sensor:c_wpt_lat(lat)=4020.4707 8597.2 secs ago sensor:c_wpt_lon(lon)=-7347.47 8597.24 secs ago sensor:m_battery(volts)=13.5577283587843 2.393 secs ago sensor:m_coulomb_amphr(amp-hrs)=29.183592 3.145 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=121.408548061915 2.591 secs ago sensor:m_final_water_vx(m/s)=0.0151580350388052 8768.25 secs ago sensor:m_final_water_vy(m/s)=-0.0206852281510636 8768.28 secs ago sensor:m_iridium_signal_strength(nodim)=-1 475.024 secs ago sensor:m_leakdetect_voltage(volts)=2.49575702075702 2.418 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48565323565324 2.434 secs ago sensor:m_lithium_battery_relative_charge(%)=83.1377016580673 2.803 secs ago sensor:m_tot_num_inflections(nodim)=6234 591.597 secs ago sensor:m_vacuum(inHg)=9.78029304029303 2.773 secs ago sensor:m_water_vx(m/s)=-0.0141093402595407 533.13 secs ago sensor:m_water_vy(m/s)=0.0803053282362846 533.162 secs ago sensor:u_use_current_correction(nodim)=1 435.097 secs ago sensor:x_last_wpt_lat(lat)=4017.5 8952.98 secs ago sensor:x_last_wpt_lon(lon)=-7347.5 8953.02 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 25/ 13/ 0 odd: 422/ 166/ 2 ABORT HISTORY: total since reset: 1 ABORT HISTORY: last abort cause: MS_ABORT_USER_INTERRUPT ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2019-08-01T20:59:59 ABORT HISTORY: last abort segment: sbu01-2019-212-0-12 (0132.0012) ABORT HISTORY: last abort mission: initial.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 -477 secs) Waypoint: (4020.4707,-7347.4700) Range: 3987m, Bearing: 19deg, Age: 2:23h:m Time until diving is: 593 secs Glider sbu01 at surface. Because:no comms for a while [behavior surface_4 start_when = 12.0] MissionName:200_MAB.MI MissionNum:sbu01-2019-218-0-67 (0134.0067) Vehicle Name: sbu01 Curr Time: Mon Aug 12 06:18:32 2019 MT: 388085 DR Location: 4018.332 N -7347.814 E measured 553.254 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4017.251 N -7347.528 E measured 608.766 secs ago GPS Location: 4018.332 N -7347.814 E measured 554.261 secs ago sensor:c_wpt_lat(lat)=4020.4707 8639.87 secs ago sensor:c_wpt_lon(lon)=-7347.47 8639.91 secs ago sensor:m_battery(volts)=13.5577283587843 45.066 secs ago sensor:m_coulomb_amphr(amp-hrs)=29.1875 3.715 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=121.41245606187 3.16 secs ago sensor:m_final_water_vx(m/s)=0.0151580350388052 8810.93 secs ago sensor:m_final_water_vy(m/s)=-0.0206852281510636 8810.96 secs ago sensor:m_iridium_signal_strength(nodim)=-1 517.7 secs ago sensor:m_leakdetect_voltage(volts)=2.49575702075702 45.093 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48565323565324 45.108 secs ago sensor:m_lithium_battery_relative_charge(%)=83.1371588802958 3.37 secs ago sensor:m_tot_num_inflections(nodim)=6234 634.272 secs ago sensor:m_vacuum(inHg)=9.78029304029303 45.446 secs ago sensor:m_water_vx(m/s)=-0.0141093402595407 575.803 secs ago sensor:m_water_vy(m/s)=0.0803053282362846 575.835 secs ago sensor:u_use_current_correction(nodim)=1 477.77 secs ago sensor:x_last_wpt_lat(lat)=4017.5 8995.65 secs ago sensor:x_last_wpt_lon(lon)=-7347.5 8995.69 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 25/ 13/ 0 odd: 422/ 166/ 2 ABORT HISTORY: total since reset: 1 ABORT HISTORY: last abort cause: MS_ABORT_USER_INTERRUPT ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2019-08-01T20:59:59 ABORT HISTORY: last abort segment: sbu01-2019-212-0-12 (0132.0012) ABORT HISTORY: last abort mission: initial.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 -519 secs) Waypoint: (4020.4707,-7347.4700) Range: 3987m, Bearing: 19deg, Age: 2:24h:m Time until diving is: 550 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 [ 0 0 0] [ 0 0 0] [ 8 8 0] 7 pinger - 8 attitude - 9 attitude_tcm3 - 10 attitude_rev I u 3 20 5 0 [ 0 0 0] [ 1 0 0] [ 0 0 0] 11 ocean_pressure I u 3 20 5 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] [ 24 6 0] 17 science_super I u 3 20 5 0 [ 0 0 0] [ 1 0 0] [ 2 0 0] 18 roll_motor - 19 fpitch_pump - 20 fin_motor - 21 digifin I u 3 20 5 0 [ 0 0 0] [ 23 13 0] [ 218 91 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] [ 114 32 0] 25 leakdetect I u 3 20 5 0 26 recovery I u 3 20 5 0 27 coulomb I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 33 14 0] 28 veh_temp I u 3 20 5 0 29 BUOYANCY_PUMP - 30THERMAL_ACC_PRE - 31 THERMAL_ENGINE - 32 THERMAL_PUMP - 33 DE_PUMP - 34 HD_PUMP I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 23 15 0] 35 thruster_g1 - 36 thruster I u 3 20 5 0 devices:(t/m/s) errs: 0/ 0/ 0 warn: 25/ 13/ 0 odd: 422/ 166/ 2 ^R388104 63 behavior surface_4: User typed Control-R, resuming I heard a Control-R RESUMING MISSION Megabytes used on CF file system = 400.500000 Megabytes available on CF file system = 1597.000000 388109 01340067.mlg LOG FILE CLOSED Doing system wide housekeeping....... report_heap_size(): M_FREE_HEAP=175.0K, M_SPARE_HEAP=156.0K 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_ocean_pressure_min(volts) 0.101358 m_avg_climb_rate(m/s) -0.182109 m_avg_speed(m/s) 0.220638 m_avg_upward_inflection_time(sec) 540.000000 m_battery(volts) 13.552901 m_coulomb_amphr_total(amp-hrs) 121.416364 m_iridium_call_num(nodim) 386.000000 m_iridium_dialed_num(nodim) 1356.000000 m_lat(lat) 4018.331700 m_lon(lon) -7347.813800 m_pump_stress_remaining_cycles(nodim) 24994.431433 m_pump_stress_track(nodim) 5.568567 m_tot_ballast_pumped_energy(kjoules) 0.000000 m_tot_horz_dist(km) 516.964877 m_tot_num_inflections(nodim) 6234.000000 m_tot_num_thermal_valve_cmd(nodim) 7063.000000 m_weight_drop(bool) 0.000000 s_water_depth_avg(m) 50.000000 s_water_depth_delta(m) 5.000000 s_water_depth_wavelength(m) 500.000000 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) 4017.500000 x_last_wpt_lon(lon) -7347.500000 The instantaneous lag time between the system and gps clock is -7.0 seconds. The average lag time between the system and gps clock is -7.8 seconds. Housekeeping is done 388176 66 01340068.mlg LOG FILE OPENED Megabytes used on CF file system = 400.625000 Megabytes available on CF file system = 1596.875000 388179 init_gps_input() 388179 behavior surface_4: SUBSTATE 7 ->9 : Turning on thruster burst surface_4: Turning thruster on: 6.0 V. ^R388179 sensor: c_thruster_on = 44.4133532895165 % 388184 67 sensor: c_thruster_on = 44.409821131628 % 388189 69 sensor: c_thruster_on = 44.409821131628 % 388193 70 sensor: c_thruster_on = 44.409821131628 % 388195 sensor: m_thruster_current = 0 amp 388197 71 sensor: c_thruster_on = 44.409821131628 % 388199 sensor: m_thruster_current = 0 amp surface_4: Turning thruster off (secs thr on). 388202 72 behavior surface_4: SUBSTATE 9 ->10 : Waiting for final gps fix surface_4: Waiting for final GPS fix. 388207 73 disabling Iridium cons