Connection Event: Carrier Detect found.382434 Iridium console active and ready... Vehicle Name: ru26d Curr Time: Thu Feb 13 05:01:44 2025 MT: 382433 DR Location: -6457.769 N -6420.851 E measured 69.017 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6458.138 N -6416.547 E measured 132.157 secs ago GPS Location: -6457.769 N -6420.851 E measured not found>*.ma< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] 71.441 secs ago sensor:c_wpt_lat(lat)=-6457.3103 14170.6 secs ago sensor:c_wpt_lon(lon)=-6424.2161 14170.7 secs ago sensor:m_battery(volts)=14.5515181425828 56.33 secs ago sensor:m_coulomb_amphr(amp-hrs)=182.294311523438 9.313 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=239.336811523514 9.336 secs ago sensor:m_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 ... ] ... ] 9.315 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 0.882 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 71.985 secs ago sensor:m_iridium_attempt_num(nodim)=1 66.595 secs ago sensor:m_iridium_call_num(nodim)=5138 23.831 secs ago sensor:m_iridium_dialed_num(nodim)=6430 38.279 secs ago sensor:m_leakdetect_voltage(volts)=2.47460317460318 66.518 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48049450549451 66.541 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 9.831 secs ago sensor:m_tot_num_inflections(nodim)=17671 187.154 secs ago sensor:m_vacuum(inHg)=8.89371318681318 61.869 secs ago sensor:m_water_vx(m/s)=-0.0380872821403442 99.748 secs ago sensor:m_water_vy(m/s)=-0.0210154474993836 99.79 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)=-6458.2993 14171.9 secs ago sensor:x_last_wpt_lon(lon)=-6414.3716 14172 secs ago ABORT HISTORY: total since reset: 14 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: 2025-02-08T18:42:17 ABORT HISTORY: last abort segment: ru26d-2025-037-1-19 (0130.0019) ABORT HISTORY: last abort mission: 1K_N.MI 382436 DRIVER_ODDITY:iridium:1712: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-2025-038-0-70 (0131.0070) Vehicle Name: ru26d Curr Time: Thu Feb 13 05:01:58 2025 MT: 382448 DR Location: -6457.769 N -6420.851 E measured 82.953 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6458.138 N -6416.547 E measured 146.093 secs ago GPS Location: -6457.769 N -6420.851 E measured 85.378 secs ago sensor:c_wpt_lat(lat)=-6457.3103 14184.5 secs ago sensor:c_wpt_lon(lon)=-6424.2161 14184.6 secs ago sensor:m_battery(volts)=14.5227399546981 9.204 secs ago sensor:m_coulomb_amphr(amp-hrs)=182.295501708984 4.367 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=239.338001709061 4.379 secs ago sensor:m_depth(m)=0 4.308 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 4.527 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 85.78 secs ago sensor:m_iridium_attempt_num(nodim)=1 80.373 secs ago sensor:m_iridium_call_num(nodim)=5138 37.592 secs ago sensor:m_iridium_dialed_num(nodim)=6430 52.027 secs ago sensor:m_leakdetect_voltage(volts)=2.47457264957265 12.718 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48070818070818 12.732 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 4.748 secs ago sensor:m_tot_num_inflections(nodim)=17671 200.868 secs ago sensor:m_vacuum(inHg)=9.37931855921856 9.704 secs ago sensor:m_water_vx(m/s)=-0.0380872821403442 113.438 secs ago sensor:m_water_vy(m/s)=-0.0210154474993836 113.47 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)=-6458.2993 14185.5 secs ago sensor:x_last_wpt_lon(lon)=-6414.3716 14185.6 secs ago devices:(t/m/s) errs: 2/ 0/ 0 warn: 44/ 5/ 0 odd:1155/ 132/ 5 ABORT HISTORY: total since reset: 14 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: 2025-02-08T18:42:17 ABORT HISTORY: last abort segment: ru26d-2025-037-1-19 (0130.0019) 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 -28 secs) Waypoint: (-6457.3103,-6424.2161) Range: 2782m, Bearing: 270deg, Age: 3:56h:m Time until diving is: 208 secs s -num=6 *.sbd *.tbd *.tcd *.scd *.vem *.azf *.asc *.obs *.mrd -------------------------------- 382474 72 01310070.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 382483 75 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 01310070.tbd to/from ru26d size is 16853 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: 13768 Total Bytes sent/received: 14336 Total Bytes sent/received: 15360 Total Bytes sent/received: 16384 Total Bytes sent/received: 16853 zModem transfer DONE for file 01310070.tbd Starting zModem transfer of 01310069.tbd to/from ru26d size is 473 Total Bytes sent/received: 473 zModem transfer DONE for file 01310069.tbd SHUFFLING FILES.. SCI: Sent 2 file(s): c:\logs\01310070.TBD c:\logs\01310069.TBD SCI: SUCCESS 382660 16 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 382666 save_and_change_sensors().... Changed u_use_ctd_depth_for_flying from 0 to 0 Changed c_science_on from 1 to 0 382666 save_and_change_sensors().... Changed c_science_printout from 0 to 0 Waiting for motors idle START **B00000000000000 Starting zModem transfer of 01310070.sbd to/from ru26d size is 11632 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: 11632 zModem transfer DONE for file 01310070.sbd Starting zModem transfer of 01310069.sbd to/from ru26d size is 949 Total Bytes sent/received: 949 zModem transfer DONE for file 01310069.sbd 82767 restore_sensors().... Restored u_use_ctd_depth_for_flying from 0 to 0 Restored c_science_on from 0 to 1 382767 restore_sensors().... 382767 restore_sensors().... Restored c_science_printout from 0 to 0 SHUFFLING FILES.. GLD: Sent 2 file(s): c:\logs\01310070.SBD c:\logs\01310069.SBD GLD: SUCCESS Glider-Science software version match: 8.300000 Science hardware version is 2.000000 382778 19 SCI:PROGLET house_elf begin() called 382778 SCI: house_elf: Version 1.2 382778 SCI:PROGLET ctd41cp begin() called 382778 SCI: ctd41cp: Version 0.2 382778 SCI: ctd41cp: Will be sending the following data to glider: 382778 SCI: sci_water_cond(s/m) 382778 SCI: sci_water_temp(degc) 382778 SCI: sci_water_pressure(bar) 382778 SCI: sci_ctd41cp_timestamp(timestamp) 382779 SCI:PROGLET flbbcd begin() called 382779 SCI: flbbcd: Version 0.0 382779 SCI: flbbcd: Will be sending following data to glider: 382779 SCI: sci_flbbcd_chlor_units(ug/l) 382779 SCI: sci_flbbcd_bb_units(nodim) 382779 SCI: sci_flbbcd_cdom_units(ppb) 382779 SCI: sci_flbbcd_chlor_sig(nodim) 382779 SCI: sci_flbbcd_bb_sig(nodim) 382779 SCI: sci_flbbcd_cdom_sig(nodim) 382779 SCI: sci_flbbcd_chlor_ref(nodim) 382779 SCI: sci_flbbcd_bb_ref(nodim) 382780 SCI: sci_flbbcd_cdom_ref(nodim) 382780 SCI: sci_flbbcd_therm(nodim) 382780 20 SCI: sci_flbbcd_timestamp(timestamp) 382780 SCI: Opening Bit(0) for output 382780 SCI:Bit(0) use count is now 1. 382781 SCI:Bit(0) raise count is now 0. 382781 SCI:Bit(0) raise count is now 0. 382783 SCI:PROGLET house_elf start() called 382783 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal) 382783 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal) 382858 23 01310071.mlg LOG FILE OPENED -------------------------------- 382859 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-2025-038-0-71 (0131.0071) Vehicle Name: ru26d Curr Time: Thu Feb 13 05:08:52 2025 MT: 382863 DR Location: -6457.769 N -6420.851 E measured 497.6 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6458.138 N -6416.547 E measured 560.741 secs ago GPS Location: -6457.769 N -6420.851 E measured 500.025 secs ago sensor:c_wpt_lat(lat)=-6457.3103 14599.2 secs ago sensor:c_wpt_lon(lon)=-6424.2161 14599.2 secs ago sensor:m_battery(volts)=14.5123980715604 2.928 secs ago sensor:m_coulomb_amphr(amp-hrs)=182.343002319336 3.107 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=239.385502319412 3.12 secs ago sensor:m_depth(m)=0 2.998 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1022 67.302 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 500.425 secs ago sensor:m_iridium_attempt_num(nodim)=0 395.74 secs ago sensor:m_iridium_call_num(nodim)=5138 452.236 secs ago sensor:m_iridium_dialed_num(nodim)=6430 466.67 secs ago sensor:m_leakdetect_voltage(volts)=2.47466422466422 3.038 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48055555555556 3.054 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 3.085 secs ago sensor:m_tot_num_inflections(nodim)=17671 615.513 secs ago sensor:m_vacuum(inHg)=9.49257216117217 3.424 secs ago sensor:m_water_vx(m/s)=-0.0380872821403442 528.081 secs ago sensor:m_water_vy(m/s)=-0.0210154474993836 528.114 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)=-6458.2993 14600.2 secs ago sensor:x_last_wpt_lon(lon)=-6414.3716 14600.2 secs ago devices:(t/m/s) errs: 2/ 0/ 0 warn: 44/ 5/ 0 odd:1155/ 132/ 5 ABORT HISTORY: total since reset: 14 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: 2025-02-08T18:42:17 ABORT HISTORY: last abort segment: ru26d-2025-037-1-19 (0130.0019) 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 -442 secs) Waypoint: (-6457.3103,-6424.2161) Range: 2782m, Bearing: 270deg, Age: 4:3h: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 7 pinger - 8 attitude - 9 attitude_tcm3 - 10 attitude_rev I u 3 20 5 2 [ 2 0 0] [ 10 1 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] [ 16 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] [ 33 4 0] [ 759 90 4] 22 altimeter I u 3 20 5 0 23 ctd - 24 IRIDIUM* I u -1 20 5 0 [ 0 0 0] [ 1 0 0] [ 379 42 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: 2/ 0/ 0 warn: 44/ 5/ 0 odd:1155/ 132/ 5 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-2025-038-0-71 (0131.0071) Vehicle Name: ru26d Curr Time: Thu Feb 13 05:09:33 2025 MT: 382904 DR Location: -6457.769 N -6420.851 E measured 538.79 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : -6458.138 N -6416.547 E measured 601.931 secs ago GPS Location: -6457.769 N -6420.851 E measured 541.215 secs ago sensor:c_wpt_lat(lat)=-6457.3103 14640.4 secs ago sensor:c_wpt_lon(lon)=-6424.2161 14640.4 secs ago sensor:m_battery(volts)=14.5123980715604 44.118 secs ago sensor:m_coulomb_amphr(amp-hrs)=182.346572875976 4.256 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=239.389072876053 4.27 secs ago sensor:m_depth(m)=0 4.202 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 9.071 secs ago sensor:m_gps_mag_var(rad)=-0.280998009571087 541.617 secs ago sensor:m_iridium_attempt_num(nodim)=0 436.932 secs ago sensor:m_iridium_call_num(nodim)=5138 493.426 secs ago sensor:m_iridium_dialed_num(nodim)=6430 507.86 secs ago sensor:m_leakdetect_voltage(volts)=2.47466422466422 44.229 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.48055555555556 44.244 secs ago sensor:m_leakdetect_voltage_science(volts)=-1 4.634 secs ago sensor:m_tot_num_inflections(nodim)=17671 656.703 secs ago sensor:m_vacuum(inHg)=9.49257216117217 44.615 secs ago sensor:m_water_vx(m/s)=-0.0380872821403442 569.272 secs ago sensor:m_water_vy(m/s)=-0.0210154474993836 569.305 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)=-6458.2993 14641.4 secs ago sensor:x_last_wpt_lon(lon)=-6414.3716 14641.4 secs ago devices:(t/m/s) errs: 2/ 0/ 0 warn: 44/ 5/ 0 odd:1155/ 132/ 5 ABORT HISTORY: total since reset: 14 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: 2025-02-08T18:42:17 ABORT HISTORY: last abort segment: ru26d-2025-037-1-19 (0130.0019) 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 -484 secs) Waypoint: (-6457.3103,-6424.2161) Range: 2782m, Bearing: 270deg, Age: 4:4h:m Time until diving is: 253 secs ^R382923 36 behavior surface_2: User typed Control-R, resuming I heard a Control-R RESUMING MISSION Megabytes used on CF file system = 637.125000 Megabytes available on CF file system = 1363.812500 382928 01310071.mlg LOG FILE CLOSED Doing system wide housekeeping....... report_heap_size(): M_FREE_HEAP=89.0K, M_SPARE_HEAP=70.0K 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) 0.151529 m_avg_climb_rate(m/s) -0.139588 m_avg_speed(m/s) 0.278212 m_avg_upward_inflection_time(sec) 49.299309 m_battery(volts) 14.512398 m_coulomb_amphr_total(amp-hrs) 239.392613 m_iridium_call_num(nodim) 5138.000000 m_iridium_dialed_num(nodim) 6430.000000 m_lat(lat) -6457.768700 m_lon(lon) -6420.851000 m_pump_effective_num_cycles(nodim) 1944.000000 m_tot_ballast_pumped_energy(kjoules) 0.047744 m_tot_horz_dist(km) 11430.323667 m_tot_num_inflections(nodim) 17671.000000 m_tot_num_thermal_valve_cmd(nodim) 11636.000000 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) -6458.299300 x_last_wpt_lon(lon) -6414.371600 timestamp: Thu Feb 13 05:10:04 2025 The instantaneous lag time between the system and gps clock is -2.0 seconds. The average lag time between the system and gps clock is -2.5 seconds. Housekeeping is done 383003 38 01310072.mlg LOG FILE OPENED Megabytes used on CF file system = 637.250000 Megabytes available on CF file system = 1363.687500 383006 init_gps_input() 383006 behavior surface_2: SUBSTATE 7 ->10 : Waiting for final gps fix surface_2: Waiting for final GPS fix. 383008 disabling Iridium cons