diff --git a/extra/turn_slope_calculations.xlsx b/extra/turn_slope_calculations.xlsx
index c8c2b16..86fd556 100644
Binary files a/extra/turn_slope_calculations.xlsx and b/extra/turn_slope_calculations.xlsx differ
diff --git a/src/Lora_1W_APRS_Tracker.cpp b/src/Lora_1W_APRS_Tracker.cpp
index 935114a..48b8ee0 100644
--- a/src/Lora_1W_APRS_Tracker.cpp
+++ b/src/Lora_1W_APRS_Tracker.cpp
@@ -152,7 +152,8 @@ void loop() {
 		int MinimumDistanceTx 		= CurrentUser[6].toInt();
 		int MinimumTimeDeltaBeacon	= CurrentUser[7].toInt();
 		int TurnMinDegrees			= CurrentUser[8].toInt();
-		int TurnSlope				= CurrentUser[9].toInt();			
+		int TurnSlope				= CurrentUser[9].toInt();
+		int TurnMinAngle;			
 		currentHeading  			= gps.course.deg();
 		lastTxDistance  			= TinyGPSPlus::distanceBetween(gps.location.lat(), gps.location.lng(), lastTxLatitude, lastTxLongitude);
 		
@@ -165,7 +166,11 @@ void loop() {
 		if (!send_update) {
 			double headingDelta = abs(previousHeading - currentHeading);
 			if (lastTx > MinimumTimeDeltaBeacon * 1000) {
-				int TurnMinAngle = TurnMinDegrees + (TurnSlope/CurrentSpeed);
+				if (CurrentSpeed == 0) {
+					TurnMinAngle = TurnMinDegrees + (TurnSlope/(CurrentSpeed + 1));
+				} else {
+					TurnMinAngle = TurnMinDegrees + (TurnSlope/CurrentSpeed);
+				}
 				if (headingDelta > TurnMinAngle && lastTxDistance > MinimumDistanceTx) {
 					send_update = true;
 					mensaje_test = "C:" + String(headingDelta) + " D:" + String(lastTxDistance) + " I:" + String(txInterval);
diff --git a/src/beacon_config.h b/src/beacon_config.h
index 50c557b..09149d4 100644
--- a/src/beacon_config.h
+++ b/src/beacon_config.h
@@ -1,7 +1,7 @@
 #ifndef BEACON_CONFIG_H_
 #define BEACON_CONFIG_H_
 
-#define FirstUser               3           // Select the First User at Tracker Start Up (Example: 1 means User1)
+#define FirstUser               1           // Select the First User at Tracker Start Up (Example: 1 means User1)
 #define AprsPath                "AP"        // APRS Destination (could be also "WIDE1-1")
 #define AprsOverlay             "/"
 #define SendAltitude            true        // "true" adds Altitude to the APRS packet/message, "false" add Course+Speed
@@ -10,14 +10,14 @@
 
 #define User1_Callsign          "CD2RXU-7"
 #define User1_Symbol            "["         // Runner
-#define User1_SlowRate          120
-#define User1_SlowSpeed         3
-#define User1_FastRate          60
-#define User1_FastSpeed         15
-#define User1_MinDistTx         5           // debe ser 50 pero esta 5 por pruebas 
-#define User1_MinDeltaBcn       20
-#define User1_TurnMinDeg        3
-#define User1_TurnSlope         70
+#define User1_SlowRate          120         // seg
+#define User1_SlowSpeed         3           // km/h
+#define User1_FastRate          60          // seg
+#define User1_FastSpeed         15          // km/h
+#define User1_MinDistTx         5           // debe ser 100 pero esta 5 por pruebas 
+#define User1_MinDeltaBcn       20          // seg between beacon update
+#define User1_TurnMinDeg        3           // degrees
+#define User1_TurnSlope         40          // constant
 
 #define User2_Callsign          "CD2RXU-8"
 #define User2_Symbol            "b"         // Bicycle
@@ -25,10 +25,10 @@
 #define User2_SlowSpeed         5
 #define User2_FastRate          60
 #define User2_FastSpeed         40
-#define User2_MinDistTx         70
+#define User2_MinDistTx         100
 #define User2_MinDeltaBcn       12
-#define User2_TurnMinDeg        15
-#define User2_TurnSlope         70
+#define User2_TurnMinDeg        12
+#define User2_TurnSlope         60
 
 #define User3_Callsign          "CD2RXU-9"
 #define User3_Symbol            ">"         // Car
@@ -38,7 +38,7 @@
 #define User3_FastSpeed         70
 #define User3_MinDistTx         100
 #define User3_MinDeltaBcn       8
-#define User3_TurnMinDeg        12
+#define User3_TurnMinDeg        10
 #define User3_TurnSlope         80
 
 #endif
\ No newline at end of file