   setSyncProvider( getTeensy3Time );
   sentencePending = false;
   sentenceRdy = false;
-  sentenceBuf[0] = 0;
-  sentenceBufIndex = 0;
+  sentence[0] = 0;
+  sentenceIndex = 0;
   txTimer.begin(transmit, 10000);
   pinMode(5,INPUT_PULLUP);
   while( !Serial1 );

void loop(){
  // Copy any completed sentence to the buffer, set up for next sentence.
  if ( sentenceRdy ) {
    for ( int i = 0 ; i < GPSLEN ; i++ ) {
        sentenceBuf2[i] = sentenceBuf[i];
    }
    sentenceRdy = false;
  }
  //RX section, READ from RF

  //print out sentence, all of it - KN
  int i = 0;
  
  if ( sentenceBufRdy ) {
    while( sentenceBuf[i+1] != 0 ) {
        Serial2.write( sentenceBuf[i] );
        Serial1.write( sentenceBuf[i] );//for logging
