... The radar blanker serves to "blank" data acquisition by the correlator during pulse emission by the FAA radars at 1330 and 1350 MHz situated on Pico del Este, PR. ... The blanker itself is situated in the "receiver room" (the room next to the Control Room itself), and is to be found in Rack 3, Box 1-10; i.e. just below the spectrum analyzer. ... In the GUI, the button to switch ON or OFF the radar blanker is found at the bottom left of the "spectral line observer's widget" (see Fig. ...