Connection Event: Carrier Detect found. 43239 Iridium console active and ready... Vehicle Name: ru39 Curr Time: Thu Jul 25 05:49:32 2024 MT: 43239 DR Location: 4014.784 N -7342.557 E measured 40.609 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4015.634 N -7343.413 E measured 92.78 secs ago GPS Location: 4014.784 N -7342.557 E measured 43.317 secs ago sensor:c_wpt_lat(lat)=4012.6669 19488.8 secs ago sensor:c_wpt_lon(lon)=-7341.9775 19488.8 secs ago sensor:m_battery(volts)=16.2663499310814 63.754 secs ago sensor:m_coulomb_amphr(amp-hrs)=11.092442 3.831 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=11.4699399999999 3.835 secs ago sensor:m_depth(m)= not found>*.ma< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] 0.056182029776473 3.737 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 4.067 secs ago sensor:m_gps_mag_var(rad)=0.226892802759263 43.363 secs ago sensor:m_iridium_attempt_num(nodim)=1 36.092 secs ago sensor:m_iridium_call_num(nodim)=1984 0.059 secs ago sensor:m_iridium_dialed_num(nodim)=2443 8.073 secs ago sensor:m_leakdetect_voltage(volts)=2.5 55.286 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49233821733822 55.25 secs ago sensor:m_leakdetect_voltage_science(volts)=2.49487179487179 55.215 secs ago sensor:m_tot_num_inflections(nodim)=42816 124.804 secs ago sensor:m_vacuum(inHg)=7.4252736019536 55.794 secs ago sensor:m_water_vx(m/s)=-0.032546942112792 60.704 secs ago sensor:m_water_vy(m/s)=0.021749686241647 60.707 secs ago sensor:u_max_altimeter(m)=200 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)=4018.7168 not found>*.dat< not found>*.ini< not found>*.cfg< [dockzr | dockszr] [?][-v N][-nosmartdir][-f rf | irid][-cd dir][-noremove] [-archive] [-d ] ... [[-d ... ] ... ] 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-7350.634 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_3 entered B_ERROR state ABORT HISTORY: last abort time: 2024-07-24T12:36:01 ABORT HISTORY: last abort segment: ru39-2024-205-0-3 (0184.0003) ABORT HISTORY: last abort mission: 100_n.mi 43239 No login script found for processing. Glider ru39 at surface. Because:no comms for a while [behavior surface_3 start_when = 12.0] MissionName:100_n.mi MissionNum:ru39-2024-205-2-9 (0186.0009) Vehicle Name: ru39 Curr Time: Thu Jul 25 05:50:12 2024 MT: 43279 DR Location: 4014.784 N -7342.557 E measured 80.23 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4015.634 N -7343.413 E measured 132.401 secs ago GPS Location: 4014.784 N -7342.557 E measured 82.938 secs ago sensor:c_wpt_lat(lat)=4012.6669 19528.4 secs ago sensor:c_wpt_lon(lon)=-7341.9775 19528.4 secs ago sensor:m_battery(volts)=16.2631913726497 39.2 secs ago sensor:m_coulomb_amphr(amp-hrs)=11.097568 3.313 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=11.4750659999999 3.317 secs ago sensor:m_depth(m)=0.245426761655125 3.218 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 3.548 secs ago sensor:m_gps_mag_var(rad)=0.226892802759263 82.984 secs ago sensor:m_iridium_attempt_num(nodim)=1 75.713 secs ago sensor:m_iridium_call_num(nodim)=1984 39.68 secs ago sensor:m_iridium_dialed_num(nodim)=2443 47.695 secs ago sensor:m_leakdetect_voltage(volts)=2.5 31.28 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49337606837607 31.243 secs ago sensor:m_leakdetect_voltage_science(volts)=2.49569597069597 31.208 secs ago sensor:m_tot_num_inflections(nodim)=42816 164.425 secs ago sensor:m_vacuum(inHg)=7.91654688644688 31.387 secs ago sensor:m_water_vx(m/s)=-0.032546942112792 100.325 secs ago sensor:m_water_vy(m/s)=0.021749686241647 100.329 secs ago sensor:u_max_altimeter(m)=200 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)=4018.7168 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-7350.634 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 4/ 0/ 0 odd: 95/ 17/ 2 ABORT HISTORY: total since reset: 2 ABORT HISTORY: last abort cause: MS_ABORT_BEH_ERROR ABORT HISTORY: last abort details: layered_control(): Behavior surface_3 entered B_ERROR state ABORT HISTORY: last abort time: 2024-07-24T12:36:01 ABORT HISTORY: last abort segment: ru39-2024-205-0-3 (0184.0003) ABORT HISTORY: last abort mission: 100_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 -40 secs) Waypoint: (4012.6669,-7341.9775) Range: 4003m, Bearing: 180deg, Age: 12:0h:m Time until diving is: 515 secs s -num=4 *.sbd *.tbd *.tcd *.scd *.vem *.azf *.asc *.obs *.mrd -------------------------------- 43300 74 01860009.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 43309 77 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 6 files Prechecking is not necessary for this invocation START **B00000000000000 Starting zModem transfer of 01860009.tcd to/from ru39 size is 22080 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: 20480 Total Bytes sent/received: 21504 Total Bytes sent/received: 22080 zModem transfer DONE for file 01860009.tcd Starting zModem transfer of 01860008.tcd to/from ru39 size is 399 Total Bytes sent/received: 399 zModem transfer DONE for file 01860008.tcd Starting zModem transfer of 01860007.tcd to/from ru39 size is 22090 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: 20480 Total Bytes sent/received: 21504 Total Bytes sent/received: 22090 zModem transfer DONE for file 01860007.tcd Starting zModem transfer of 01860006.tcd to/from ru39 size is 367 Total Bytes sent/received: 367 zModem transfer DONE for file 01860006.tcd Starting zModem transfer of 01860009.azf to/from ru39 size is 3266 Total Bytes sent/received: 1024 Total Bytes sent/received: 2048 Total Bytes sent/received: 3072 Total Bytes sent/received: 3266 zModem transfer DONE for file 01860009.azf Starting zModem transfer of 01860007.azf to/from ru39 size is 3254 Total Bytes sent/received: 1024 Total Bytes sent/received: 2048 Total Bytes sent/received: 3072 Total Bytes sent/received: 3254 zModem transfer DONE for file 01860007.azf SCI: Sent 6 file(s): 01860009.tcd 01860008.tcd 01860007.tcd 01860006.tcd 01860009.azf 01860007.azf SCI: SUCCESS 43581 42 Freewave console restored REVERTING FROM SCIENCE COMMAND MODE SCIENCE COMMAND MODE TERMINATED because: Science Program QUIT (cts lowered) 43582 GLD: Enumerating and selecting files About to send 4 files Prechecking is not necessary for this invocation selected IRIDIUM 43585 save_and_change_sensors().... Changed u_use_ctd_depth_for_flying from 0 to 0 Changed c_science_on from 1 to 0 43585 save_and_change_sensors().... Changed c_science_printout from 0 to 0 Waiting for motors idle START **B00000000000000 Starting zModem transfer of 01860009.scd to/from ru39 size is 11082 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: 11082 zModem transfer DONE for file 01860009.scd Starting zModem transfer of 01860008.scd to/from ru39 size is 1026 Total Bytes sent/received: 1024 Total Bytes sent/received: 1026 zModem transfer DONE for file 01860008.scd Starting zModem transfer of 01860007.scd to/from ru39 size is 10944 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: 10944 zModem transfer DONE for file 01860007.scd Starting zModem transfer of 01860006.scd to/from ru39 size is 945 Total Bytes sent/received: 945 zModem transfer DONE for file 01860006.scd 43748 restore_sensors().... Restored u_use_ctd_depth_for_flying from 0 to 0 Restored c_science_on from 0 to 1 43748 restore_sensors().... 43748 restore_sensors().... Restored c_science_printout from 0 to 0 SHUFFLING FILES .... 43750 GLD: Sent 4 file(s): 01860009.scd 01860008.scd 01860007.scd 01860006.scd GLD: SUCCESS Glider-Science software version match: 10.080000 Science hardware version is 3.000000 43753 43 SCI:PROGLET house_elf begin() called 43753 SCI: house_elf: Version 1.2 43753 SCI:PROGLET ctd41cp begin() called 43753 SCI: ctd41cp: Version 0.2 43753 SCI: ctd41cp: Will be sending the following data to glider: 43753 SCI: sci_water_cond(s/m) 43753 SCI: sci_water_temp(degc) 43753 SCI: sci_water_pressure(bar) 43753 SCI: sci_ctd41cp_timestamp(timestamp) 43753 SCI:PROGLET sbe41n_ph begin() called 43753 SCI:PROGLET flbbcd begin() called 43753 SCI: flbbcd: Version 0.0 43753 SCI: flbbcd: Will be sending following data to glider: 43753 SCI: sci_flbbcd_chlor_units(ug/l) 43753 SCI: sci_flbbcd_bb_units(nodim) 43753 SCI: sci_flbbcd_cdom_units(ppb) 43753 SCI: sci_flbbcd_chlor_sig(nodim) 43753 SCI: sci_flbbcd_bb_sig(nodim) 43753 SCI: sci_flbbcd_cdom_sig(nodim) 43753 SCI: sci_flbbcd_chlor_ref(nodim) 43753 SCI: sci_flbbcd_bb_ref(nodim) 43753 SCI: sci_flbbcd_cdom_ref(nodim) 43753 SCI: sci_flbbcd_therm(nodim) 43753 SCI: sci_flbbcd_timestamp(timestamp) 43753 SCI:Bit(0) raise count is now 0. 43753 SCI:Bit(0) raise count is now 0. 43753 SCI:PROGLET azfp begin() called 43754 SCI:PROGLET house_elf start() called 43754 SCI: house_elf_run(): 0 error(s) in a row. (5 is fatal) 43754 SCI: house_elf_run(): 0 error(s) since house_elf_begin(). (50 is fatal) 43754 SCI:PROGLET ctd41cp start() called 43754 SCI: Opening port 2:J2 43754 SCI: 9600 baud, N81, line buf: 50, no input data timeout(secs): 15 43754 SCI:bit_raise: Raising bit(0). 43754 SCI: ctd41cp_run(): 0 error(s) in a row. (5 is fatal) 43754 SCI: ctd41cp_run(): 0 error(s) since ctd41cp_begin(). (50 is fatal) 43763 44 01860010.mcg LOG FILE OPENED -------------------------------- 43763 behavior surface_3: SUBSTATE 7 ->7 : After data transmission, waiting for control-C to exit/resume Glider ru39 at surface. Because:no comms for a while [behavior surface_3 start_when = 12.0] MissionName:100_n.mi MissionNum:ru39-2024-205-2-10 (0186.0010) Vehicle Name: ru39 Curr Time: Thu Jul 25 05:58:17 2024 MT: 43764 DR Location: 4014.784 N -7342.557 E measured 565.87 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4015.634 N -7343.413 E measured 618.04 secs ago GPS Location: 4014.784 N -7342.557 E measured 568.578 secs ago sensor:c_wpt_lat(lat)=4012.6669 20014 secs ago sensor:c_wpt_lon(lon)=-7341.9775 20014 secs ago sensor:m_battery(volts)=16.2616810265935 0.321 secs ago sensor:m_coulomb_amphr(amp-hrs)=11.157382 0.418 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=11.5348799999999 0.422 secs ago sensor:m_depth(m)=0 0.233 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 0.654 secs ago sensor:m_gps_mag_var(rad)=0.226892802759263 568.623 secs ago sensor:m_iridium_attempt_num(nodim)=0 469.664 secs ago sensor:m_iridium_call_num(nodim)=1984 525.319 secs ago sensor:m_iridium_dialed_num(nodim)=2443 533.334 secs ago sensor:m_leakdetect_voltage(volts)=2.5 0.217 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49358974358974 0.181 secs ago sensor:m_leakdetect_voltage_science(volts)=2.49615384615385 0.146 secs ago sensor:m_tot_num_inflections(nodim)=42816 650.064 secs ago sensor:m_vacuum(inHg)=7.95898583638583 0.324 secs ago sensor:m_water_vx(m/s)=-0.032546942112792 585.964 secs ago sensor:m_water_vy(m/s)=0.021749686241647 585.968 secs ago sensor:u_max_altimeter(m)=200 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)=4018.7168 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-7350.634 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 4/ 0/ 0 odd: 95/ 17/ 2 ABORT HISTORY: total since reset: 2 ABORT HISTORY: last abort cause: MS_ABORT_BEH_ERROR ABORT HISTORY: last abort details: layered_control(): Behavior surface_3 entered B_ERROR state ABORT HISTORY: last abort time: 2024-07-24T12:36:01 ABORT HISTORY: last abort segment: ru39-2024-205-0-3 (0184.0003) ABORT HISTORY: last abort mission: 100_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 -526 secs) Waypoint: (4012.6669,-7341.9775) Range: 4003m, Bearing: 180deg, Age: 12:8h:m Time until diving is: 598 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] [ 4 0 0] [ 0 0 0] 7 attitude_rev I u 3 20 5 0 8 ocean_pressure I u 3 20 5 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 13 science_super I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 8 1 0] 14 digifin I u 3 20 5 0 [ 0 0 0] [ 0 0 0] [ 32 10 2] 15 altimeter - 16 altimeter_232 I u 3 20 5 0 17 IRIDIUM* I u -1 20 5 0 [ 0 0 0] [ 0 0 0] [ 52 6 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] [ 3 0 0] 21 veh_temp I u 3 20 5 0 22 BUOYANCY_PUMP I u 3 20 3 0 23 DE_PUMP - 24 HD_PUMP - 25 thruster - devices:(t/m/s) errs: 0/ 0/ 0 warn: 4/ 0/ 0 odd: 95/ 17/ 2 I heard a character ('CR'), but not the right one Drained the following 2 pending chars from input buffer: 12 0d ^R CR .. Glider ru39 at surface. Because:no comms for a while [behavior surface_3 start_when = 12.0] MissionName:100_n.mi MissionNum:ru39-2024-205-2-10 (0186.0010) Vehicle Name: ru39 Curr Time: Thu Jul 25 05:58:58 2024 MT: 43804 DR Location: 4014.784 N -7342.557 E measured 605.875 secs ago GPS TooFar: 69696969.000 N 69696969.000 E measured 1e+308 secs ago GPS Invalid : 4015.634 N -7343.413 E measured 658.046 secs ago GPS Location: 4014.784 N -7342.557 E measured 608.583 secs ago sensor:c_wpt_lat(lat)=4012.6669 20054 secs ago sensor:c_wpt_lon(lon)=-7341.9775 20054 secs ago sensor:m_battery(volts)=16.2616810265935 40.327 secs ago sensor:m_coulomb_amphr(amp-hrs)=11.16251 3.316 secs ago sensor:m_coulomb_amphr_total(amp-hrs)=11.5400079999999 3.319 secs ago sensor:m_depth(m)=0.150804395715806 3.221 secs ago sensor:m_digifin_leakdetect_reading(nodim)=1023 3.551 secs ago sensor:m_gps_mag_var(rad)=0.226892802759263 608.629 secs ago sensor:m_iridium_attempt_num(nodim)=0 509.67 secs ago sensor:m_iridium_call_num(nodim)=1984 565.325 secs ago sensor:m_iridium_dialed_num(nodim)=2443 573.34 secs ago sensor:m_leakdetect_voltage(volts)=2.5 40.223 secs ago sensor:m_leakdetect_voltage_forward(volts)=2.49358974358974 40.186 secs ago sensor:m_leakdetect_voltage_science(volts)=2.49615384615385 40.151 secs ago sensor:m_tot_num_inflections(nodim)=42816 690.07 secs ago sensor:m_vacuum(inHg)=7.95898583638583 40.33 secs ago sensor:m_water_vx(m/s)=-0.032546942112792 625.97 secs ago sensor:m_water_vy(m/s)=0.021749686241647 625.974 secs ago sensor:u_max_altimeter(m)=200 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)=4018.7168 1e+308 secs ago sensor:x_last_wpt_lon(lon)=-7350.634 1e+308 secs ago devices:(t/m/s) errs: 0/ 0/ 0 warn: 4/ 0/ 0 odd: 95/ 17/ 2 ABORT HISTORY: total since reset: 2 ABORT HISTORY: last abort cause: MS_ABORT_BEH_ERROR ABORT HISTORY: last abort details: layered_control(): Behavior surface_3 entered B_ERROR state ABORT HISTORY: last abort time: 2024-07-24T12:36:01 ABORT HISTORY: last abort segment: ru39-2024-205-0-3 (0184.0003) ABORT HISTORY: last abort mission: 100_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 -566 secs) Waypoint: (4012.6669,-7341.9775) Range: 4003m, Bearing: 180deg, Age: 12:8h:m Time until diving is: 558 secs ^R 43833 62 behavior surface_3: User typed Control-R, resuming I heard a Control-R RESUMING MISSION 43833 01860010.mcg LOG FILE CLOSED Doing system wide housekeeping....... report_heap_size(): M_FREE_HEAP=242.8K(248608 bytes) M_MIN_FREE_HEAP=161.4K(165264 bytes) M_SRAM_FREE_HEAP=1293.4K(1324480 bytes) M_SRAM_MIN_FREE_HEAP=1165.4K(1193368 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: = 332.781250 Megabytes