What is رابش?

Sometimes when they transmit a signal and the receiving operator looks at his screen he sees something like this: Èïˆ"
l@ö+‚Æg}ú*4C‡x¢\Q
ýž¾wƒ·[4)U{i¢MZM0Z1•rHHÛHŒ

The signal didn't decode properly for whatever reason. That's رابش