diff --git a/master/master/lib/gps.c b/master/master/lib/gps.c
--- a/master/master/lib/gps.c
+++ b/master/master/lib/gps.c
@@ -1,11 +1,18 @@
-/*
-* gpsMKa.c
-*
-* Created: 11/15/2012 12:02:38 PM
-*  Author: mkanning
-*/
+/*
+ * Master Firmware: NMEA Parser
+ *
+ * Wireless Observational Modular Aerial Network
+ * 
+ * Ethan Zonca
+ * Matthew Kanning
+ * Kyle Ripperger
+ * Matthew Kroening
+ *
+ */
 
 #include <stdbool.h>
+#include <string.h>
+#include <stdio.h>
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include "gps.h"
@@ -128,14 +135,14 @@ ISR(USART1_RX_vect)
 
 void gps_setup() 
 {
-	sprintf(timestamp, "0");
-	sprintf(latitude, "0");
-	sprintf(longitude, "0");
-	sprintf(numSatellites, "0");
-	sprintf(hdop, "0");
-	sprintf(knots, "0");
-	sprintf(course, "0");
-	sprintf(dayofmonth, "0");
+	snprintf(timestamp,2, "0");
+	snprintf(latitude,2, "0");
+	snprintf(longitude,2, "0");
+	snprintf(numSatellites,2, "0");
+	snprintf(hdop,2, "0");
+	snprintf(knots,2, "0");
+	snprintf(course,2, "0");
+	snprintf(dayofmonth,2, "0");
 }
 
 
@@ -674,7 +681,8 @@ void parse_gps_transmission(void){
 }
 /// MKa GPS transmission parser END
 
-void XORbyteWithChecksum(uint8_t byte){
+void XORbyteWithChecksum(uint8_t byte)
+{
 	calculatedChecksum ^= (int)byte; //this may need to be re-coded
 }