diff --git a/master/master/lib/sensordata.c b/master/master/lib/sensordata.c
--- a/master/master/lib/sensordata.c
+++ b/master/master/lib/sensordata.c
@@ -58,6 +58,7 @@ int32_t sensordata_get(uint8_t nodeID, u
 	}
 }
 
+bool isEven = false;
 
 // Generate APRS comment
 // TODO: Can we move this buffer to a local scope of this function?
@@ -65,59 +66,67 @@ int32_t sensordata_get(uint8_t nodeID, u
 char commentBuffer[COMMENTBUFFER_SIZE];
 char* slavesensors_getAPRScomment() 
 {
-	snprintf(commentBuffer,COMMENTBUFFER_SIZE, "t9%d s%s v%s h%s _%s |%s ", sensors_getBoardTemp(), get_sv(), get_speedKnots(), get_hdop(), get_latitudeLSBs(), get_longitudeLSBs());
+	snprintf(commentBuffer,COMMENTBUFFER_SIZE, "t9%d~s%s~v%s~h%s~_%s~|%s", sensors_getBoardTemp(), get_sv(), get_speedKnots(), get_hdop(), get_latitudeLSBs(), get_longitudeLSBs());
 	
-	// Find slave sensors to include in this log
-	for(int i=0; i<MAX_NUM_SLAVES; i++)
-	{
-		// Board temperature sensors (all slaves)
-		uint32_t val = sensordata_get(i, SENSOR_BOARDTEMP);
-		if(val != -2111111111) {
-			uint16_t len = strlen(commentBuffer);
-			snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, " t%u%li",i,val);
-		}
+	if(isEven) 
+	{
+		// Find slave sensors to include in this log
+		for(int i=0; i<MAX_NUM_SLAVES; i++)
+		{
+			// Board temperature sensors (all slaves)
+			uint32_t val = sensordata_get(i, SENSOR_BOARDTEMP);
+			if(val != -2111111111) {
+				uint16_t len = strlen(commentBuffer);
+				snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, "~t%u%li",i,val);
+			}
 		
-		// Battery voltages (all slaves)
-		val = sensordata_get(i, SENSOR_BATTERYLEVEL);
-		if(val != -2111111111) {
-			uint16_t len = strlen(commentBuffer);
-			snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, " l%u%li",i,val);
-		}
+			// Battery voltages (all slaves)
+			val = sensordata_get(i, SENSOR_BATTERYLEVEL);
+			if(val != -2111111111) {
+				uint16_t len = strlen(commentBuffer);
+				snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, "~l%u%li",i,val);
+			}
+		
+			// Pressure
+			val = sensordata_get(i, SENSOR_PRESSURE);
+			if(val != -2111111111) {
+				uint16_t len = strlen(commentBuffer);
+				snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, "~P%li",val);
+			}
 		
-		// Pressure
-		val = sensordata_get(i, SENSOR_PRESSURE);
-		if(val != -2111111111) {
-			uint16_t len = strlen(commentBuffer);
-			snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, " P%li",val);
-		}
+			// Air Temperature
+			val = sensordata_get(i, SENSOR_AIRTEMP);
+			if(val != -2111111111) {
+				uint16_t len = strlen(commentBuffer);
+				snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, "~C%li",val);
+			}
 		
-		// Air Temperature
-		val = sensordata_get(i, SENSOR_AIRTEMP);
-		if(val != -2111111111) {
-			uint16_t len = strlen(commentBuffer);
-			snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, " C%li",val);
-		}
+			// Altitude
+			val = sensordata_get(i, SENSOR_ALTITUDE);
+			if(val != -2111111111) {
+				uint16_t len = strlen(commentBuffer);
+				snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, "~A%li",val);
+			}
 		
-		// Altitude
-		val = sensordata_get(i, SENSOR_ALTITUDE);
-		if(val != -2111111111) {
-			uint16_t len = strlen(commentBuffer);
-			snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, " A%li",val);
-		}
+			// Radiation
+			val = sensordata_get(i, SENSOR_CPM_RADIATION);
+			if(val != -2111111111) {
+				uint16_t len = strlen(commentBuffer);
+				snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, "~R%li",val);
+			}
 		
-		// Radiation
-		val = sensordata_get(i, SENSOR_CPM_RADIATION);
-		if(val != -2111111111) {
-			uint16_t len = strlen(commentBuffer);
-			snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, " R%li",val);
-		}
-		
+		}
+		isEven = false;
 	}
+	else {
+		// odd does nothing
+		isEven = true;
+	}	
 	
 	if(logger_aprsInfoTextAvailable())
 	{
 		uint16_t len = strlen(commentBuffer);
-		snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, " %s",logger_getAprsInfoText());
+		snprintf(commentBuffer + len, COMMENTBUFFER_SIZE-len, "~%s",logger_getAprsInfoText());
 		logger_aprsInfoTextConsumed();
 	}
 	
diff --git a/master/master/lib/slavesensors.c b/master/master/lib/slavesensors.c
--- a/master/master/lib/slavesensors.c
+++ b/master/master/lib/slavesensors.c
@@ -236,6 +236,12 @@ void slavesensors_network_scan()
 	
 	slavesensors_selectlogger();
 	
+	// If we don't have slaves to worry about, we're good to go
+	if(nodeCount == 0)
+	{
+		dataReady = true;
+	}		
+	
 	serial0_ion();
 }
 
@@ -410,6 +416,10 @@ bool slavesensors_isrequesting()
 
 void slavesensors_startprocess() 
 {
+	if(nodeCount == 0)
+	{
+		return;
+	}		
 	requesting = true;
 	slavesensors_request();		
 }
@@ -428,6 +438,7 @@ uint8_t numReadingsToExpect = 0; // numb
 uint8_t numRetries = 0;
 
 void gotoNextSlaveOrSensor(bool fail) {
+	
 	// If we finished all sensors for all slaves
 	if(currentSlave >= (nodeCount-1) && currentSlaveSensor >= (numReadingsToExpect-1))
 	{