         LMIC.freq = IN866_F1 + kChannel * 200000;
         uBandwidth = 125;
 
-	LMIC.datarate = IN866_DR_SF7;         // DR7
+        LMIC.datarate = IN866_DR_SF7;         // DR7
         // default tx power for IN: 30 dBm
         LMIC.txpow = IN866_TX_EIRP_MAX_DBM;
 #else

  uint32_t uBandwidth;

  if (! fDownlink)
	{
	if (kUplinkChannel < 64)
		{
		LMIC.freq = US915_125kHz_UPFBASE +
			    kUplinkChannel * US915_125kHz_UPFSTEP;
		uBandwidth = 125;
		}
	else
		{
		LMIC.freq = US915_500kHz_UPFBASE +
			    (kUplinkChannel - 64) * US915_500kHz_UPFSTEP;
		uBandwidth = 500;
		}
	}
  else
	{
	// downlink channel
	LMIC.freq = US915_500kHz_DNFBASE +
		    kDownlinkChannel * US915_500kHz_DNFSTEP;
	uBandwidth = 500;
	}

  // Use a suitable spreading factor
  if (uBandwidth < 500)

Module:  raw-feather.ino

Function:
        Slightly improved Raw test example, for Adafruit Feather M0 LoRa

Version:
        V0.7.0	Tue Jan 23 2018 10:25:50 chwon	Edit level 2

Copyright notice:
        This file copyright (C) 2017, 2018 by

                MCCI Corporation
                3520 Krums Corners Road
                Ithaca, NY  14850

        An unpublished work.  All rights reserved.

        This file is proprietary information, and may not be disclosed or
        copied without the prior permission of MCCI Corporation.

Author:
        Matthijs Kooijman  2015
        Terry Moore, MCCI Corporation	April 2017

Revision history:
   0.5.0  Sat Apr  1 2017 22:26:22  tmm
        Module created.

   0.7.0  Tue Jan 23 2018 10:25:50  chwon
        Add Catena 4551 platform support.

*/

