help about sending gps data to track4free.com by rsterm

hi friends

I am trying to send data to track4free by rsterm(telit http).But I am failed.How can I do that.

I have read already this documentation that is track4free.com servise description.

it say data format is:

http://track4free.comapp/gps.client.php … ,1,200,0,0

please help me soon…