A question

[ManaScrew987]

1) What is the Pokeradar used for? it seems a little useless to me

 

[Ben.]

It is for you to "chain" series of the same pokemon, and gives a greater chance of finding a shiny, if future use "ask a simple question..." thread...
....Ben

 

[Glennie]

Plus it is used to locate Poke radar exclusive pokemon.

Check http://www.serebii.net/diamondpearl/poketore.shtml