The serviceman noted that radio communication is also effective against enemy electronic warfare systems MOSCOW, January 23. /TASS/. Ground-based robotic systems, in particular, of the Kurier (Courier) type, are immune to electronic warfare (EW) when controlled via satellite communications, a ground-based robotic system operator, call sign "Yenot" (Raccoon) from the 114th Separate Guards Motorized Rifle Brigade of the 51st Army of the Southern Military District, part of the Center Battlegroup,