   }
   //TX
   if ( txFlag ) {
+    Serial.print("TX:");digitalClockDisplay( now() );
     Serial1.print( "TX:" ); // Identifies transmitted packet for log.
     sendData();
     numb++;

/*
 * Serial1: GPS and LOGGER 
 * Serial2: RF IN/OUT
 */
#include <TimeLib.h>
char pkt_buffer[200];
boolean sentencePending, sentenceRdy, sentenceBufRdy;
boolean txFlag, help;

//const int pin2 = 2;

void setup(){
  Serial.begin(9600);
  Serial1.begin(9600);  
  Serial2.begin(9600); 
  setSyncProvider( getTeensy3Time );
