# list of programs to launch for an EbNaut decoding session. # I normally use a separate terminal session (CTRL+ALT+T) for each program # see 'vtcard vttime gpsd screenshots' picture sudo gpsd -n -G -N -D 5 -n /dev/ttyS0 # command to run gps daemon . This program syncronize PC Clock with GPS UTC. u-blox data strings + 1pps signal is feed at serial com (ttsy0) see diagram. cgps # command to launch a gpsd client program to check gps status . You can close it when everything looks ok. modify chrony setup file (chrony.conf) in etc/Chrony folder as the file in use at iz7slz (included) sudo service chrony restart # command to reset chrony service chronyc (enter) -> sources (enter) # to check NTP sources status (see screenshot) sudo vtcard -b32 -dhw:0,0 -c12 -r96000 -vv @input #command to start my TS88 PCI 8 audio channels card. Creates a stream named @input vttime -v -c3 -m ppsbase+,c=3e-4 @input:1,2,3 @output # run vttime for channels 1,2 . On ch.3 there is 1pps. creates a stream named @output. vtresample -v -r 12000 @output:1 @output2 # creates a stream named @output2 suitable for wspr sudo vtwrite -v @output2:1 /media/iz7slz/Storage #record the stream @output2 on the hard drive named 'Storage' vtscope @output:1,2 #oscilloscope to check levels alsamixer # program to adjust audio levels ====== when vtcard, vttime, vtwrite are running, then to start an EbNaut decode session edit the file bash named 'single' and enter the necessary parameters according the announce. so finally run the bush file ./single and GL 73, Domenico