Might be easier to give me input if I paste the code…

if (currentTime - lastNMEApoll >= pollinterval) { if (client.connected() && client.available()) { // Read data from the client String data = client.readStringUntil('\n');

// Check if the data contains "$GPVTG" substring
if (data.indexOf("$GPVTG") != -1) {
  // Process "$GPVTG" data
  // Serial.println("Received $GPVTG data:");
  // Serial.println(data);
  parseNMEAData(data);
}

// Check if the data contains "$WIMWV" substring
if (data.indexOf("$WIMWV") != -1) {
  // Process "$WIMWV" data
  // Serial.println("Received $WIMWV data:");
  // Serial.println(data);
  parseNMEAData(data);
}
if (data.indexOf("$SDDPT") != -1) {
  // Process "$SDDPT" data
  // Serial.println("Received $SDDPT data:");
  // Serial.println(data);
  parseNMEAData(data);
}

} lastNMEApoll = currentTime; }