function [packet_overlap] = sanity_check_overlap(T, dt1, dt2)

% ocheck needs a better blurb...

dir = strrep(num2str(dt1), '.', '_');
num = round(T/dt1);
disp([ 'packet ' num2str(num) ' in ' dir '...'  ]);
p1 = packet(num, dir);

dir = strrep(num2str(dt2), '.', '_');
num = round(T/dt2);
disp([ 'packet ' num2str(num) ' in ' dir '...'  ]);
p2 = packet(num, dir);

disp('overlap...');
packet_overlap = abs(overlap(p1, p2))
