Connection Event: Carrier Detect found.815226 Iridium console active and ready... Vehicle Name: ru26d Curr Time: Mon Mar 17 03:07:13 2025 MT: 815225 DR Location: -6455.964 N -6425.417 E measured 65.136 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6456.686 N -6424.235 E measured 127.795 secs ago GPS Location: -6455.964 N -6425.416 E measured 67.562 secs ago sensor:c_wpt_lat(lat)=-6455.385 not found>*.ma< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] 5453.9 secs ago sensor:c_wpt_lon(lon)=-6423.576 5453.97 secs ago sensor:m_battery(volts)=14.6040952335172 62.224 secs ago sensor:m_coulomb_amphr(amp-hrs)=320.806701660156 5.179 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=377.849201660233 5.2 secs ago sensor:m_depth(m)=0.137227203274796 5.117 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_digifin_leakdetect_reading(nodim)=1023 5.363 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 68.069 secs ago sensor:m_iridium_attempt_num(nodim)=1 62.669 secs ago sensor:m_iridium_call_num(nodim)=5419 19.799 secs ago sensor:m_iridium_dialed_num(nodim)=6743 34.17 secs ago sensor:m_leakdetect_voltage(volts)=2.47448107448107 33.975 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48061660561661 33.999 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 5.665 secs ago sensor:m_tot_num_inflections(nodim)=18384 172.797 secs ago sensor:m_vacuum(inHg)=9.12184993894994 34.238 secs ago sensor:m_water_vx(m/s)=-0.0113220757537842 95.451 secs ago sensor:m_water_vy(m/s)=-0.0135997262709489 95.492 secs ago sensor:u_max_altimeter(m)=100 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)=-6456.505 5455.18 secs ago sensor:x_last_wpt_lon(lon)=-6426.311 5455.24 secs ago ABORT HISTORY: total since reset: 18 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: 2025-03-07T16:32:15 ABORT HISTORY: last abort segment: ru26d-2025-061-0-55 (0134.0055) ABORT HISTORY: last abort mission: 1K_N.MI 815228 DRIVER_ODDITY:iridium:1682:xxx_ctrl() ran too long Glider ru26d at surface. Because:nothing commanded [behavior surface_2 start_when = 1.0] MissionName:1K_N.MI MissionNum:ru26d-2025-065-0-134 (0135.0134) Vehicle Name: ru26d Curr Time: Mon Mar 17 03:07:31 2025 MT: 815243 DR Location: -6455.964 N -6425.417 E measured 82.911 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6456.686 N -6424.235 E measured 145.569 secs ago GPS Location: -6455.964 N -6425.416 E measured 85.338 secs ago sensor:c_wpt_lat(lat)=-6455.385 5471.65 secs ago sensor:c_wpt_lon(lon)=-6423.576 5471.69 secs ago sensor:m_battery(volts)=14.5846078102875 16.348 secs ago sensor:m_coulomb_amphr(amp-hrs)=320.80908203125 4.207 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=377.851582031326 4.219 secs ago sensor:m_depth(m)=0 4.147 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 13.42 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 85.738 secs ago sensor:m_iridium_attempt_num(nodim)=1 80.321 secs ago sensor:m_iridium_call_num(nodim)=5419 37.433 secs ago sensor:m_iridium_dialed_num(nodim)=6743 51.789 secs ago sensor:m_leakdetect_voltage(volts)=2.47448107448107 51.587 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48061660561661 51.602 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 4.589 secs ago sensor:m_tot_num_inflections(nodim)=18384 190.382 secs ago sensor:m_vacuum(inHg)=9.12184993894994 51.808 secs ago sensor:m_water_vx(m/s)=-0.0113220757537842 113.011 secs ago sensor:m_water_vy(m/s)=-0.0135997262709489 113.044 secs ago sensor:u_max_altimeter(m)=100 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)=-6456.505 5472.65 secs ago sensor:x_last_wpt_lon(lon)=-6426.311 5472.68 secs ago devices:(t/m/s) errs: 3/ 0/ 0 warn: 86/ 14/ 0 odd:2248/ 276/ 4 ABORT HISTORY: total since reset: 18 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: 2025-03-07T16:32:15 ABORT HISTORY: last abort segment: ru26d-2025-061-0-55 (0134.0055) 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 waiting for final gps fix(ideally -37 secs) Waypoint: (-6455.3850,-6423.5760) Range: 1806m, Bearing: 36deg, Age: 1:31h:m Time until diving is: 208 secs s -num=6 *.sbd *.tbd *.tcd *.scd *.vem *.azf *.asc *.obs *.mrd -------------------------------- 815269 81 01350134.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 815278 84 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 01350134.tbd to/from ru26d size is 17242 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: 13381 Total Bytes sent/received: 14336 Total Bytes sent/received: 15360 Total Bytes sent/received: 16384 Total Bytes sent/received: 17242 zModem transfer DONE for file 01350134.tbd Starting zModem transfer of 01350133.tbd to/from ru26d size is 474 Total Bytes sent/received: 474 zModem transfer DONE for file 01350133.tbd SHUFFLING FILES.. SCI: Sent 2 file(s): c:\logs\01350134.TBD c:\logs\01350133.TBD SCI: SUCCESS 815455 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 815462 save_and_change_sensors().... Changed u_use_ctd_depth_for_flying from 0 to 0 Changed c_science_on from 1 to 0 815462 save_and_change_sensors().... Changed c_science_printout from 0 to 0 Waiting for motors idle START **B00000000000000 Starting zModem transfer of 01350134.sbd to/from ru26d size is 11198 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: 11198 zModem transfer DONE for file 01350134.sbd Starting zModem transfer of 01350133.sbd to/from ru26d size is 960 Total Bytes sent/received: 960 zModem transfer DONE for file 01350133.sbd 15555 restore_sensors().... Restored u_use_ctd_depth_for_flying from 0 to 0 Restored c_science_on from 0 to 1 815555 restore_sensors().... 815556 restore_sensors().... Restored c_science_printout from 0 to 0 SHUFFLING FILES.. GLD: Sent 2 file(s): c:\logs\01350134.SBD c:\logs\01350133.SBD GLD: SUCCESS Glider-Science software version match: 8.300000 Science hardware version is 2.000000 815570 27 SCI:PROGLET house_elf begin() called 815570 SCI: house_elf: Version 1.2 815570 SCI:PROGLET ctd41cp begin() called 815570 SCI: ctd41cp: Version 0.2 815570 SCI: ctd41cp: Will be sending the following data to glider: 815570 SCI: sci_water_cond(s/m) 815570 SCI: sci_water_temp(degc) 815570 SCI: sci_water_pressure(bar) 815570 SCI: sci_ctd41cp_timestamp(timestamp) 815570 SCI:PROGLET flbbcd begin() called 815571 SCI: flbbcd: Version 0.0 815571 SCI: flbbcd: Will be sending following data to glider: 815571 SCI: sci_flbbcd_chlor_units(ug/l) 815571 SCI: sci_flbbcd_bb_units(nodim) 815571 SCI: sci_flbbcd_cdom_units(ppb) 815571 SCI: sci_flbbcd_chlor_sig(nodim) 815571 SCI: sci_flbbcd_bb_sig(nodim) 815571 SCI: sci_flbbcd_cdom_sig(nodim) 815571 SCI: sci_flbbcd_chlor_ref(nodim) 815571 SCI: sci_flbbcd_bb_ref(nodim) 815571 SCI: sci_flbbcd_cdom_ref(nodim) 815572 SCI: sci_flbbcd_therm(nodim) 815572 28 SCI: sci_flbbcd_timestamp(timestamp) 815572 SCI: Opening Bit(0) for output 815572 SCI:Bit(0) use count is now 1. 815573 SCI:Bit(0) raise count is now 0. 815573 SCI:Bit(0) raise count is now 0. 815575 SCI:PROGLET house_elf start() called 815575 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal) 815575 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal) 815665 33 01350135.mlg LOG FILE OPENED -------------------------------- 815667 behavior surface_2: SUBSTATE 7 ->7 : After data transmission, waiting for control-C to exit/resume Glider ru26d at surface. Because:nothing commanded [behavior surface_2 start_when = 1.0] MissionName:1K_N.MI MissionNum:ru26d-2025-065-0-135 (0135.0135) Vehicle Name: ru26d Curr Time: Mon Mar 17 03:14:38 2025 MT: 815671 DR Location: -6455.964 N -6425.417 E measured 510.223 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6456.686 N -6424.235 E measured 572.882 secs ago GPS Location: -6455.964 N -6425.416 E measured 512.649 secs ago sensor:c_wpt_lat(lat)=-6455.385 5898.96 secs ago sensor:c_wpt_lon(lon)=-6423.576 5899 secs ago sensor:m_battery(volts)=14.5166329877447 2.96 secs ago sensor:m_coulomb_amphr(amp-hrs)=320.855377197266 3.136 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=377.897877197342 3.15 secs ago sensor:m_depth(m)=0 3.03 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 74.829 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 513.051 secs ago sensor:m_iridium_attempt_num(nodim)=0 408.496 secs ago sensor:m_iridium_call_num(nodim)=5419 464.743 secs ago sensor:m_iridium_dialed_num(nodim)=6743 479.099 secs ago sensor:m_leakdetect_voltage(volts)=2.47509157509158 3.027 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48055555555556 3.041 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 3.072 secs ago sensor:m_tot_num_inflections(nodim)=18384 617.694 secs ago sensor:m_vacuum(inHg)=9.54553247863247 3.454 secs ago sensor:m_water_vx(m/s)=-0.0113220757537842 540.322 secs ago sensor:m_water_vy(m/s)=-0.0135997262709489 540.354 secs ago sensor:u_max_altimeter(m)=100 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)=-6456.505 5899.96 secs ago sensor:x_last_wpt_lon(lon)=-6426.311 5899.99 secs ago devices:(t/m/s) errs: 3/ 0/ 0 warn: 86/ 14/ 0 odd:2248/ 276/ 4 ABORT HISTORY: total since reset: 18 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: 2025-03-07T16:32:15 ABORT HISTORY: last abort segment: ru26d-2025-061-0-55 (0134.0055) 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 waiting for final gps fix(ideally -465 secs) Waypoint: (-6455.3850,-6423.5760) Range: 1806m, Bearing: 36deg, Age: 1:38h:m Time until diving is: 295 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] [ 0 0 0] [ 9 0 0] 7 pinger - 8 attitude - 9 attitude_tcm3 - 10 attitude_rev I u 3 20 5 3 [ 3 0 0] [ 17 3 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] [ 23 0 0] 17 science_super I u 3 20 5 0 [ 0 0 0] [ 2 0 0] [ 38 0 0] 18 roll_motor - 19 fpitch_pump - 20 fin_motor - 21 digifin I u 3 20 5 0 [ 0 0 0] [ 66 11 0] [1421 196 3] 22 altimeter I u 3 20 5 0 23 ctd - 24 IRIDIUM* I u -1 20 5 0 [ 0 0 0] [ 1 0 0] [ 757 80 1] 25 leakdetect I u 3 20 5 0 26 recovery I u 3 20 5 0 27 coulomb I u 3 20 5 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 I u 3 20 5 0 34 HD_PUMP - 35 thruster_g1 - 36 thruster - devices:(t/m/s) errs: 3/ 0/ 0 warn: 86/ 14/ 0 odd:2248/ 276/ 4 I heard a character ('CR'), but not the right one Drained the following 2 pending chars from input buffer: 12 0d ^R CR .. Glider ru26d at surface. Because:nothing commanded [behavior surface_2 start_when = 1.0] MissionName:1K_N.MI MissionNum:ru26d-2025-065-0-135 (0135.0135) Vehicle Name: ru26d Curr Time: Mon Mar 17 03:15:20 2025 MT: 815713 DR Location: -6455.964 N -6425.417 E measured 552.378 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6456.686 N -6424.235 E measured 615.036 secs ago GPS Location: -6455.964 N -6425.416 E measured 554.805 secs ago sensor:c_wpt_lat(lat)=-6455.385 5941.11 secs ago sensor:c_wpt_lon(lon)=-6423.576 5941.15 secs ago sensor:m_battery(volts)=14.5166329877447 45.114 secs ago sensor:m_coulomb_amphr(amp-hrs)=320.860107421875 4.255 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=377.902607421951 4.269 secs ago sensor:m_depth(m)=0 4.208 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1020 9.088 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 555.204 secs ago sensor:m_iridium_attempt_num(nodim)=0 450.65 secs ago sensor:m_iridium_call_num(nodim)=5419 506.897 secs ago sensor:m_iridium_dialed_num(nodim)=6743 521.253 secs ago sensor:m_leakdetect_voltage(volts)=2.47509157509158 45.18 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48055555555556 45.195 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 4.633 secs ago sensor:m_tot_num_inflections(nodim)=18384 659.848 secs ago sensor:m_vacuum(inHg)=9.54553247863247 45.608 secs ago sensor:m_water_vx(m/s)=-0.0113220757537842 582.475 secs ago sensor:m_water_vy(m/s)=-0.0135997262709489 582.508 secs ago sensor:u_max_altimeter(m)=100 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)=-6456.505 5942.11 secs ago sensor:x_last_wpt_lon(lon)=-6426.311 5942.15 secs ago devices:(t/m/s) errs: 3/ 0/ 0 warn: 86/ 14/ 0 odd:2248/ 276/ 4 ABORT HISTORY: total since reset: 18 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: 2025-03-07T16:32:15 ABORT HISTORY: last abort segment: ru26d-2025-061-0-55 (0134.0055) 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 waiting for final gps fix(ideally -507 secs) Waypoint: (-6455.3850,-6423.5760) Range: 1806m, Bearing: 36deg, Age: 1:39h:m Time until diving is: 252 secs ^R815737 48 behavior surface_2: User typed Control-R, resuming I heard a Control-R RESUMING MISSION Megabytes used on CF file system = 1183.375000 Megabytes available on CF file system = 817.562500 815743 01350135.mlg LOG FILE CLOSED Doing system wide housekeeping....... report_heap_size(): M_FREE_HEAP=92.0K, M_SPARE_HEAP=73.0K 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_coulomb_battery_capacity(amp-hrs) 500.000000 f_iridium_phone_num_factory(digits) 6977818711051.000000 f_ocean_pressure_min(volts) 0.151767 m_avg_climb_rate(m/s) -0.140992 m_avg_speed(m/s) 0.277771 m_avg_upward_inflection_time(sec) 49.707997 m_battery(volts) 14.463579 m_coulomb_amphr_total(amp-hrs) 377.906178 m_iridium_call_num(nodim) 5419.000000 m_iridium_dialed_num(nodim) 6743.000000 m_lat(lat) -6455.964100 m_lon(lon) -6425.416500 m_pump_effective_num_cycles(nodim) 2301.000000 m_tot_ballast_pumped_energy(kjoules) 0.047744 m_tot_horz_dist(km) 12122.272617 m_tot_num_inflections(nodim) 18384.000000 m_tot_num_thermal_valve_cmd(nodim) 12352.000000 m_weight_drop(bool) 0.000000 s_ini_lat(deg) -6430.000000 s_ini_lon(deg) -6430.000000 s_water_depth_avg(m) 2000.000000 s_water_depth_delta(m) 0.000000 s_water_depth_wavelength(m) 100.000000 u_max_lag_before_syncing_time(sec) 946100000.000000 x_hover_ballast_deep(cc) 132.799913 x_hover_ballast_shallow(cc) 125.976350 x_hover_depth_deep(m) 74.976047 x_hover_depth_shallow(m) 41.729947 x_last_wpt_lat(lat) -6456.505000 x_last_wpt_lon(lon) -6426.311000 timestamp: Mon Mar 17 03:15:57 2025 The instantaneous lag time between the system and gps clock is -5.0 seconds. The average lag time between the system and gps clock is -5.4 seconds. Housekeeping is done 815830 51 01350136.mlg LOG FILE OPENED Megabytes used on CF file system = 1183.500000 Megabytes available on CF file system = 817.437500 815834 init_gps_input() 815834 behavior surface_2: SUBSTATE 7 ->10 : Waiting for final gps fix surface_2: Waiting for final GPS fix. 815836 disabling Iridium cons