gps_input_parameters.gif (203143 bytes)      navigational_parameters.gif (211950 bytes)      magnetic_parameters.gif (216101 bytes)      setnetences_to_send.gif (221136 bytes) 
         GPS input                   Navigational                    Magnetic                    Sentences  
        Parameters                   Parameters                  Parameters                    To Send 
     
     long_lat_genrations_from_world_map.gif (223036 bytes)      sentence_genrations_from_world_map.gif (224568 bytes)      auto_nmea_genrations_from_world_map.gif (216176 bytes)       auto_nmea_sen_tracing.gif (194357 bytes)
         Long/Lati                      Sentence                 Auto Sentence               Auto Sentence
        Generation                    Generation                  Generation                        Tracing
 
     auto_nmea_sen_sending.gif (214868 bytes)     
      Auto Sentence                       
         Sending