Hahah lol form where you got these numbers of 250km and 240degrees and the other one? and btw data is confidential then how you came to know about such stats , is it just available to you?
For your information the instrumental range of Erieye is 450 km while detection range is 350km
"The radar provides 300 degree coverage and has an
instrumental range of 450km and detection range of 350 km in a dense hostile electronic warfare environment—in heavy radar clutter and at low target altitudes. In addition to this, the radar is also capable of identifying friends or foes, and has a sea surveillance mode.
"Erieye detects and tracks air and sea targets out to the horizon, and sometimes beyond this due to anomalous propagation — instrumented range has been measured at 450 km.
Typical detection range against fighter-sized targets is approximately 425 km, in a 150° broadside sector"
i don't know from where you guys got such fanboy stats