Download stored data

Memory is organized onboard the instrument by datasets, then by schedules, then by data (samples), events and metadata.

The list of datasets available is obtained with the dataset command:

TEXT

>> dataset
<< dataset count=3 maxcount=20 list=GullCove_aug22|GullCove_sep22|GullCove_oct22

The dataset command allows to list the different schedules available in a particular dataset:

TEXT

>> dataset GullCove_aug22 schedulelist
<< dataset GullCove_aug22 schedulelist=sched_CTD|sched_ODO

Each schedule contains data, events, and metadata (refer to the dataset command). In order to download the data of one dataset's schedule, it is possible to check first the amount of data to be downloaded:

TEXT

>> dataset GullCove_aug22/sched_CTD/data bytecount
<< dataset GullCove_aug22/sched_CTD/data bytecount=2608

Then download the data with the download command (here in chunks of 500 bytes):

TEXT

>> download GullCove_aug22/sched_CTD/data bytecount=500 bytestart=0
<< download GullCove_aug22/sched_CTD/data bytecount=500 bytestart=0<cr><lf><bytes[0…499]-of-data><CRC>

>> download
<< download GullCove_aug22/sched_CTD/data bytecount=500 bytestart=500<cr><lf><bytes[500…999]-of-data><CRC>

>> download
<< download GullCove_aug22/sched_CTD/data bytecount=500 bytestart=1000<cr><lf><bytes[1000…1499]-of-data><CRC>

>> download
<< download GullCove_aug22/sched_CTD/data bytecount=500 bytestart=1500<cr><lf><bytes[1500…1999]-of-data><CRC>

>> download
<< download GullCove_aug22/sched_CTD/data bytecount=500 bytestart=2000<cr><lf><bytes[2000…2499]-of-data><CRC>

>> download
<< download GullCove_aug22/sched_CTD/data bytecount=108 bytestart=2500<cr><lf><bytes[2500…2607]-of-data><CRC>

The 2-bytes cyclic redundancy check should be ignored when parsing.

It is also possible to download the events recorded during the deployment:

TEXT

>> dataset GullCove_aug22/events bytecount
<< dataset GullCove_aug22/events bytecount=480
>> download GullCove_aug22/events bytecount=500 bytestart=0
<< download GullCove_aug22/events bytecount=480 bytestart=0<cr><lf><bytes[0…479]-of-events><CRC>