function rangealsglitch(tstart, tdur)
% RANGEALSGLITCH - run findalsglitch on a large amount of data
%
% Ed Daw, 30th March 2015

datastart=tstart;
datastep=200;
while(datastart<tstart+tdur-datastep)
    findalsglitch(datastart,datastart+datastep);
    datastart=datastart+datastep;
end
