 
float agc=0.0  Length of agc window in seconds. 0.0 means no agc

float epow=0.0  multiply data by exp(epow*t)

float scale=1.0  multiply data by this float

float tpow=0.0  multiply data by t^tpow

floats tstart=  list of times that correspont to xstart and define the offset
dependent start time for the agc scaling [numtstart]

int verbose=1 
flag to control amount of print
0 terse, 1 informative, 2 chatty, 3 debug

floats xstart=  list of offsets that correspond to tstart and define the offset
dependent start time for the agc scaling [numxstart]

