How to check for continuity in a RG6 cable ?

[ashoknaik184]

Yes it is only to show how it works if the cable is too long u can use 3 cells

 

[rockstar08]

Which is the best coaxial cable for dish boxes bro ??
I need to extend my Wire which has RG59 wire ,
In Shop , RG59 is not available .. RG8 is available .. Can I buy and extend the coax wire ...
Does it cause any signal loss or anything ?? Which coax wire is recommended ??