if u have Monoblock LNB.....
U can use it.......
for Measat 3 91.5 E and Insat4B 93.5 E.......
The Monoblock LNB can use Satellite at two Different Places in the Orbit.....
The Max Difference is 6 Degress...
Here the Difference is 2 Degrees U can Use it...
BTW u can Get Execellent Signals from both Satellites ....
So U can Njoy SD as well as HD Channels with Good SQ & SL