--help | print the help message and exit. | 
--version | print the RST version number and exit. | 
-vb | verbose. Log information to the console. | 
-qi | the I&Q samples of the input iqdat format file are reversed. | 
-d | the input iqdat format file originated from a digital receiver. | 
-skip skpval | set the number of samples to skip at the start of each sequence to skpval. The default value is taken from the IQ structure of the input iqdat format file. | 
-chnnum chnnum | set the number of receiver channels to chnnum. The default value si taken from the IQ structure of the input iqdat format file. | 
iqdatname | filename of the iqdat format file. If this is omitted the file is read from standard input. |