Data Sheet TTC MIRG-120B-1 IRIG Time Reader/Generator Module Data Sheet Download Resource Login to download this resource Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Forgot password? Don’t have an account? Register here. The MIRG-120B-1 module provides IRIG-B time code capability to the MEDAU-2000/MCDAU-2000/MWDAU-2000 Miniature Data Acquisition Units.