how to config u blox 5 gps receiver

My name is gopalakrishnan. we are using ublox 5 receiver. we try to config the ublox receiver.sir when we interface it wit pic microcontroller it wll throw all the datas such as GGA,GLL lik that. we need a specifice data such as GGA alone how to config it.

If you have any kbase or application note kindly send to us.