To dowload, check the URL of each file, and type
> wget URL

Group1 Al data

group1_Al.txt
scale channels
ch1start
ch4clear
ch5S3
ch710Hz

Group2 Fe data

group2_Fe.txt
scale channels
ch1S3
ch2S3 carry out
ch3start
ch4clear
ch710Hz

Group3 acryl data

group3_ACR.txt
scale channels
ch1start
ch3S3
ch5clear
ch710Hz

Group4 Cu (3 layers) data

group4-Cu.txt
scale channels
ch1start
ch210Hz
ch310Hz carry out
ch4S3
ch5S3 carry out
ch7clear