         i++;
     }
     sentenceRdy = false;
-  } else { // Latest data not ready yet, use 2nd buffer
+  } else { // Buffer data is being updated. Use current sentence
     Serial1.print( "BUF" );
     while( sentenceBuf2[i+1] != 0 ) {
         Serial2.write( sentenceBuf[i] );

/*
 * SERIAL1: GPS and LOGGER 
 * SERIAL2: RF IN/OUT
 */
#define GPSLEN 100 //max length of GPS output to be sent
char pkt_buffer[200];

  help = 0;
}
void printAndSend(String whatToSend){ //sends message to both logger and rf module
  Serial2.print( whatToSend ); // RF module
  Serial1.print( whatToSend ); // Logger
}
