75438 Iridium console active and ready... Vehicle Name: ru24 Curr Time: Tue Jan 13 18:37:40 2015 MT: 75437 DR Location: -6451.401 N -6412.139 E measured 65.332 secs ago GPS TooFar: -6449.960 N -6404.498 E measured 1e+308 secs ago GPS Invalid : -6451.411 N -6412.149 E measured 161.071 secs ago GPS Location: -6451.401 N -6412.139 E measured 66.871 secs ago sensor:c_wpt_lat(lat)=-6453.1 53345.5 secs ago sensor:c_wpt_lon(lon)=-6420.6 53345.5 secs ago sensor:m_battery(volts)=12.654647561071 42.071 secs ago sensor:m_coulomb_amphr(amp-hrs)=0 1e+308 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=0 1e+308 secs ago sensor:m_depth(m)=0.771435062956526 5.735 secs ago sensor:m_final_water_vx(m/s)=0.0707971905710807 71.364 secs ago sensor:m_final_water_vy(m/s)=0.10602229725168 71.411 secs ago sensor:m_gps_mag_var(rad)=-0.289724655831059 67.558 secs ago sensor:m_iridium_attempt_num(nodim)=1 57.886 secs ago sensor:m_iridium_call_num(nodim)=1813 22.19 secs ago sensor:m_iridium_dialed_num(nodim)=4069 32.514 secs ago sensor:m_leakdetect_voltage(volts)=2.5 57.873 secs ago sensor:m_tot_num_inflections(nodim)=20444 418.56 secs ago sensor:m_vacuum(inHg)=8.44384484126984 42.801 secs ago sensor:m_water_vx(m/s)=0.0707971905710807 71.87 secs ago sensor:m_water_vy(m/s)=0.10602229725168 71.928 secs ago sensor:sci_m_disk_free(Mbytes)=403.84375 5883.29 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)=-6454 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-6424.7 1e+308 secs ago ABORT HISTORY: total since reset: 5 ABORT HISTORY: last abort cause: MS_ABORT_OVERTIME ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2015-01-12T14:19:43 ABORT HISTORY: last abort segment: ru24-2015-011-0-23 (0227.0023) ABORT HISTORY: last abort mission: 100_D.MI 75440 DRIVER_ODDITY:iridium:1936:xxx_ctrl() ran too long Glider ru24 at surface. Because:no comms for a while [behavior surface_2 start_when = 12.0] MissionName:100_D.MI MissionNum:ru24-2015-011-2-23 (0229.0023) Vehicle Name: ru24 Curr Time: Tue Jan 13 18:38:00 2015 MT: 75458 DR Location: -6451.401 N -6412.139 E measured 85.293 secs ago GPS TooFar: -6449.960 N -6404.498 E measured 1e+308 secs ago GPS Invalid : -6451.411 N -6412.149 E measured 181.03 secs ago GPS Location: -6451.401 N -6412.139 E measured 86.833 secs ago sensor:c_wpt_lat(lat)=-6453.1 53365.4 secs ago sensor:c_wpt_lon(lon)=-6420.6 53365.4 secs ago sensor:m_battery(volts)=12.654647561071 61.943 secs ago sensor:m_coulomb_amphr(amp-hrs)=0 1e+308 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=0 1e+308 secs ago sensor:m_depth(m)=0.940516720590827 4.655 secs ago sensor:m_final_water_vx(m/s)=0.0707971905710807 91.154 secs ago sensor:m_final_water_vy(m/s)=0.10602229725168 91.193 secs ago sensor:m_gps_mag_var(rad)=-0.289724655831059 87.329 secs ago sensor:m_iridium_attempt_num(nodim)=1 77.639 secs ago sensor:m_iridium_call_num(nodim)=1813 41.922 secs ago sensor:m_iridium_dialed_num(nodim)=4069 52.23 secs ago sensor:m_leakdetect_voltage(volts)=2.5 15.17 secs ago sensor:m_tot_num_inflections(nodim)=20444 438.246 secs ago sensor:m_vacuum(inHg)=8.44384484126984 62.469 secs ago sensor:m_water_vx(m/s)=0.0707971905710807 91.525 secs ago sensor:m_water_vy(m/s)=0.10602229725168 91.565 secs ago sensor:sci_m_disk_free(Mbytes)=403.84375 5902.91 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)=-6454 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-6424.7 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 5/ 1/ 0 odd: 750/ 34/ 2 ABORT HISTORY: total since reset: 5 ABORT HISTORY: last abort cause: MS_ABORT_OVERTIME ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2015-01-12T14:19:43 ABORT HISTORY: last abort segment: ru24-2015-011-0-23 (0227.0023) ABORT HISTORY: last abort mission: 100_D.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: (-6453.1000,-6420.6000) Range: 7390m, Bearing: 227deg, Age: 14:49h:m Time until diving is: 509 secs !put f_fin_offset 0 -------------------------------- 75480 8 sensor: f_fin_offset = 0 rad -------------------------------- 75480 behavior surface_2: ! succeeded:put f_fin_offset 0 75480 behavior surface_2: SUBSTATE 7 ->7 : After ! command, waiting for control-C to exit/resume Glider ru24 at surface. Because:no comms for a while [behavior surface_2 start_when = 12.0] MissionName:100_D.MI MissionNum:ru24-2015-011-2-23 (0229.0023) Vehicle Name: ru24 Curr Time: Tue Jan 13 18:38:41 2015 MT: 75499 DR Location: -6451.401 N -6412.139 E measured 126.527 secs ago GPS TooFar: -6449.960 N -6404.498 E measured 1e+308 secs ago GPS Invalid : -6451.411 N -6412.149 E measured 222.265 secs ago GPS Location: -6451.401 N -6412.139 E measured 128.066 secs ago sensor:c_wpt_lat(lat)=-6453.1 53406.6 secs ago sensor:c_wpt_lon(lon)=-6420.6 53406.7 secs ago sensor:m_battery(volts)=12.6475505705316 38.89 secs ago sensor:m_coulomb_amphr(amp-hrs)=0 1e+308 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=0 1e+308 secs ago sensor:m_depth(m)=0.788343228719956 4.655 secs ago sensor:m_final_water_vx(m/s)=0.0707971905710807 132.389 secs ago sensor:m_final_water_vy(m/s)=0.10602229725168 132.428 secs ago sensor:m_gps_mag_var(rad)=-0.289724655831059 128.563 secs ago sensor:m_iridium_attempt_num(nodim)=0 20.928 secs ago sensor:m_iridium_call_num(nodim)=1813 83.154 secs ago sensor:m_iridium_dialed_num(nodim)=4069 93.462 secs ago sensor:m_leakdetect_voltage(volts)=2.5 56.401 secs ago sensor:m_tot_num_inflections(nodim)=20444 479.477 secs ago sensor:m_vacuum(inHg)=8.77105427350427 39.418 secs ago sensor:m_water_vx(m/s)=0.0707971905710807 132.754 secs ago sensor:m_water_vy(m/s)=0.10602229725168 132.794 secs ago sensor:sci_m_disk_free(Mbytes)=403.84375 5944.14 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)=-6454 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-6424.7 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 5/ 1/ 0 odd: 750/ 34/ 2 ABORT HISTORY: total since reset: 5 ABORT HISTORY: last abort cause: MS_ABORT_OVERTIME ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2015-01-12T14:19:43 ABORT HISTORY: last abort segment: ru24-2015-011-0-23 (0227.0023) ABORT HISTORY: last abort mission: 100_D.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: (-6453.1000,-6420.6000) Range: 7390m, Bearing: 227deg, Age: 14:50h:m Time until diving is: 578 secs s *.sbd *.tbd -------------------------------- 75518 15 02290023.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 75527 18 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 ? SHUFFLING FILES.. SCI: Sent 2 file(s): c:\logs\02290023.TBD c:\logs\02290022.TBD SCI: SUCCESS 75753 71 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 75755 save_and_change_sensors().... Changed u_use_ctd_depth_for_flying from 0 to 0 Changed c_science_on from 1 to 0 75755 save_and_change_sensors().... Changed c_science_printout from 0 to 0 Waiting for motors idle START **B00000000000000 ? restore_sensors().... 75877 restore_sensors().... Restored c_science_printout from 0 to 0 SHUFFLING FILES.*.*^XB0800000000022d DEL**^XB0800000000022d DEL GLD: Sent 2 file(s): c:\logs\02290023.SBD c:\logs\02290022.SBD GLD: SUCCESS 75887 72 SCI:PROGLET house_elf begin() called 75887 SCI: house_elf: Version 1.2 75887 SCI:PROGLET ctd41cp begin() called 75887 SCI: ctd41cp: Version 0.2 75887 SCI: ctd41cp: Will be sending the following data to glider: 75888 SCI: sci_water_cond(s/m) 75888 SCI: sci_water_temp(degc) 75888 SCI: sci_water_pressure(bar) 75888 SCI: sci_ctd41cp_timestamp(timestamp) 75888 SCI:PROGLET FIRe begin() called 75888 SCI: FIRe: Version 0.1 75888 SCI: FIRe: Will be sending following data to glider: 75888 SCI: sci_fire_timestamp(timestamp) 75888 SCI: sci_fire_fo(nodim) 75888 SCI: sci_fire_fm(nodim) 75888 SCI: sci_fire_fvfm(nodim) 75889 SCI: sci_fire_s(nodim) 75889 SCI: sci_fire_p(nodim) 75889 74 SCI: sci_fire_par(nodim) 75889 SCI: sci_fire_battery(volts) 75889 SCI: sci_fire_temp(degc) 75890 SCI: sci_fire_frame_count(nodim) 75890 SCI: sci_fire_error(nodim) 75892 SCI:PROGLET house_elf start() called 75892 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal) 75892 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal) 75974 81 02290024.mlg LOG FILE OPENED -------------------------------- 75974 behavior surface_2: SUBSTATE 7 ->7 : After data transmission, waiting for control-C to exit/resume Glider ru24 at surface. Because:no comms for a while [behavior surface_2 start_when = 12.0] MissionName:100_D.MI MissionNum:ru24-2015-011-2-24 (0229.0024) Vehicle Name: ru24 Curr Time: Tue Jan 13 18:46:42 2015 MT: 75979 DR Location: -6451.401 N -6412.139 E measured 606.894 secs ago GPS TooFar: -6449.960 N -6404.498 E measured 1e+308 secs ago GPS Invalid : -6451.411 N -6412.149 E measured 702.632 secs ago GPS Location: -6451.401 N -6412.139 E measured 608.434 secs ago sensor:c_wpt_lat(lat)=-6453.1 53887 secs ago sensor:c_wpt_lon(lon)=-6420.6 53887 secs ago sensor:m_battery(volts)=12.6461918504748 3.357 secs ago sensor:m_coulomb_amphr(amp-hrs)=0 1e+308 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=0 1e+308 secs ago sensor:m_depth(m)=1.20259328992399 3.434 secs ago sensor:m_final_water_vx(m/s)=0.0707971905710807 612.76 secs ago sensor:m_final_water_vy(m/s)=0.10602229725168 612.798 secs ago sensor:m_gps_mag_var(rad)=-0.289724655831059 608.937 secs ago sensor:m_iridium_attempt_num(nodim)=0 501.302 secs ago sensor:m_iridium_call_num(nodim)=1813 563.527 secs ago sensor:m_iridium_dialed_num(nodim)=4069 573.835 secs ago sensor:m_leakdetect_voltage(volts)=2.5 3.476 secs ago sensor:m_tot_num_inflections(nodim)=20444 959.847 secs ago sensor:m_vacuum(inHg)=9.56373635531136 3.882 secs ago sensor:m_water_vx(m/s)=0.0707971905710807 613.126 secs ago sensor:m_water_vy(m/s)=0.10602229725168 613.165 secs ago sensor:sci_m_disk_free(Mbytes)=403.5859375 59.476 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)=-6454 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-6424.7 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 5/ 1/ 0 odd: 750/ 34/ 2 ABORT HISTORY: total since reset: 5 ABORT HISTORY: last abort cause: MS_ABORT_OVERTIME ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2015-01-12T14:19:43 ABORT HISTORY: last abort segment: ru24-2015-011-0-23 (0227.0023) ABORT HISTORY: last abort mission: 100_D.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 NOT ready for consci. ... because: m_science_clothesline_lag > u_max_clothesline_lag_for_consci Water Velocity Calculations COMPLETE Waypoint: (-6453.1000,-6420.6000) Range: 7390m, Bearing: 227deg, Age: 14:58h:m Time until diving is: 592 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] [ 4 1 0] [ 0 0 0] 7 pinger - 8 attitude - 9 attitude_tcm3 I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 1 0 0] 10 attitude_rev - 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] [ 1 0 0] 17 science_super I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 1 0 0] 18 roll_motor - 19 fpitch_pump - 20 fin_motor - 21 digifin I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 165 17 1] 22 altimeter I u 3 20 5 0 23 ctd - 24 IRIDIUM* I u -1 20 5 0 [ 0 0 0] [ 1 0 0] [ 580 17 1] 25 leakdetect I u 3 20 5 0 26 recovery - 27 coulomb - 28 veh_temp - 29 BUOYANCY_PUMP I u 3 20 3 0 [ 0 0 0] [ 0 0 0] [ 2 0 0] 30THERMAL_ACC_PRE - 31 THERMAL_ENGINE - 32 THERMAL_PUMP - 33 DE_PUMP - 34 thruster_g1 - 35 thruster - devices:(t/m/s) errs: 0/ 0/ 0 warn: 5/ 1/ 0 odd: 750/ 34/ 2 Glider ru24 at surface. Because:no comms for a while [behavior surface_2 start_when = 12.0] MissionName:100_D.MI MissionNum:ru24-2015-011-2-24 (0229.0024) Vehicle Name: ru24 Curr Time: Tue Jan 13 18:47:23 2015 MT: 76021 DR Location: -6451.401 N -6412.139 E measured 648.504 secs ago GPS TooFar: -6449.960 N -6404.498 E measured 1e+308 secs ago GPS Invalid : -6451.411 N -6412.149 E measured 744.242 secs ago GPS Location: -6451.401 N -6412.139 E measured 650.045 secs ago sensor:c_wpt_lat(lat)=-6453.1 53928.6 secs ago sensor:c_wpt_lon(lon)=-6420.6 53928.6 secs ago sensor:m_battery(volts)=12.6461918504748 44.963 secs ago sensor:m_coulomb_amphr(amp-hrs)=0 1e+308 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=0 1e+308 secs ago sensor:m_depth(m)=1.41394536196687 4.671 secs ago sensor:m_final_water_vx(m/s)=0.0707971905710807 654.367 secs ago sensor:m_final_water_vy(m/s)=0.10602229725168 654.405 secs ago sensor:m_gps_mag_var(rad)=-0.289724655831059 650.542 secs ago sensor:m_iridium_attempt_num(nodim)=0 542.907 secs ago sensor:m_iridium_call_num(nodim)=1813 605.132 secs ago sensor:m_iridium_dialed_num(nodim)=4069 615.439 secs ago sensor:m_leakdetect_voltage(volts)=2.5 45.081 secs ago sensor:m_tot_num_inflections(nodim)=20444 1001.45 secs ago sensor:m_vacuum(inHg)=9.56373635531136 45.488 secs ago sensor:m_water_vx(m/s)=0.0707971905710807 654.733 secs ago sensor:m_water_vy(m/s)=0.10602229725168 654.773 secs ago sensor:sci_m_disk_free(Mbytes)=403.5859375 101.083 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)=-6454 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-6424.7 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 5/ 1/ 0 odd: 750/ 34/ 2 ABORT HISTORY: total since reset: 5 ABORT HISTORY: last abort cause: MS_ABORT_OVERTIME ABORT HISTORY: last abort details: ABORT HISTORY: last abort time: 2015-01-12T14:19:43 ABORT HISTORY: last abort segment: ru24-2015-011-0-23 (0227.0023) ABORT HISTORY: last abort mission: 100_D.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: (-6453.1000,-6420.6000) Range: 7390m, Bearing: 227deg, Age: 14:58h:m Time until diving is: 551 secs ^R 76042 93 behavior surface_2: User typed Control-R, resuming I heard a Control-R RESUMING MISSION Megabytes used on CF file system = 314.375000 Megabytes available on CF file system = 1686.562500 76046 02290024.mlg LOG FILE CLOSED Doing system wide housekeeping....... report_heap_size(): M_FREE_HEAP=280.0K, M_SPARE_HEAP=261.0K 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) 0.271871 m_avg_speed(m/s) 0.292214 m_battery(volts) 12.622126 m_iridium_call_num(nodim) 1813.000000 m_iridium_dialed_num(nodim) 4069.000000 m_lat(lat) -6451.401100 m_lon(lon) -6412.138800 m_tcm3_is_calibrated(bool) 1.000000 m_tcm3_magbearth(uT) 50.274689 m_tcm3_stddeverr(uT) 0.276070 m_tcm3_xcoverage(%) 97.199867 m_tcm3_ycoverage(%) 95.593719 m_tcm3_zcoverage(%) 69.695251 m_tot_ballast_pumped_energy(kjoules) 1855.396247 m_tot_horz_dist(km) 1625.586150 m_tot_num_inflections(nodim) 20444.000000 s_ini_lat(deg) 3900.000000 s_ini_lon(deg) -7400.000000 s_water_depth_avg(m) 30.000000 s_water_depth_delta(m) 0.000000 s_water_depth_wavelength(m) 100.000000 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) -6454.000000 x_last_wpt_lon(lon) -6424.700000 The instantaneous lag time between the system and gps clock is -3.0 seconds. The average lag time between the system and gps clock is -3.5 seconds. Housekeeping is done 76134 2 02290025.mlg LOG FILE OPENED Megabytes used on CF file system = 314.500000 Megabytes available on CF file system = 1686.437500 76137 init_gps_input() 76137 behavior surface_2: SUBSTATE 7 ->10 : Waiting for final gps fix surface_2: Waiting for final GPS fix. 76139 disabling Iridium cons