diff --git a/master/master/lib/trackuinoGPS/gpsMKa.c b/master/master/lib/trackuinoGPS/gpsMKa.c
--- a/master/master/lib/trackuinoGPS/gpsMKa.c
+++ b/master/master/lib/trackuinoGPS/gpsMKa.c
@@ -24,9 +24,9 @@ int numBytes = 0;
 //least significant digit is stored at location 0 of arrays
 uint8_t tramsmissionType;
 uint8_t timestamp[9];	//hhmmss.ss
-uint8_t latitude[8];	//llll.ll,a
-uint8_t longitude[8];	//yyyyy.yy,a
-uint8_t quality;
+uint8_t latitude[8];	//lllll.lla
+uint8_t longitude[8];	//yyyyy.yya
+uint8_t quality;		//quality for GGA and validity for RMC
 uint8_t numSatellites[2];
 uint8_t hdop[4];		//xx.x
 uint8_t altitude[8];	//xxxxxx.x
@@ -38,8 +38,11 @@ uint8_t checksum;		//xx
 
 // transmission state machine
 enum decodeState {
+	//shared fields
 	INITIALIZE=0,
 	GET_TYPE,
+	GPS_CHECKSUM,	//need to find out how this is calculated/compared
+	//GGA data fields
 	GGA_TIME,
 	GGA_LATITUDE,
 	GGA_LONGITUDE,
@@ -50,8 +53,16 @@ enum decodeState {
 	GGA_WGS84,
 	GGA_LAST_UPDATE,
 	GGA_STATION_ID,
-	GGA_CHECKSUM,
-	RMC_TIME
+	//RMC data fields
+	RMC_TIME,
+	RMC_WARNING,
+	RMC_LATITUDE,
+	RMC_LONGITUDE,
+	RMC_KNOTS,
+	RMC_COURSE,
+	RMC_DATE,
+	RMC_MAG_VERIATION,
+	
 }decodeState;
 
 /// MKa GPS transmission parser START