diff --git a/lib/gps/gps.cpp b/lib/gps/gps.cpp
index 24eb3d9b..15b50285 100644
--- a/lib/gps/gps.cpp
+++ b/lib/gps/gps.cpp
@@ -19,7 +19,6 @@ TinyGPSPlus GPS = TinyGPSPlus();
 TinyGPSCustom pdop(GPS, PSTR("GNGSA"), 15); // $GNGSA sentence, 15th element
 TinyGPSCustom hdop(GPS, PSTR("GNGSA"), 16); // $GNGSA sentence, 16th element
 TinyGPSCustom vdop(GPS, PSTR("GNGSA"), 17); // $GNGSA sentence, 17th element
-TinyGPSCustom fix(GPS, PSTR("GNGGA"), 6);
 TinyGPSCustom fixMode(GPS, PSTR("GNGSA"), 2);
 
 GSV GPS_GSV; // GPS Satellites in view
@@ -32,7 +31,6 @@ GSV BD_GSV;  // BEIDOU Satellites in view
 TinyGPSCustom pdop(GPS, PSTR("GPGSA"), 15); // $GPGSA sentence, 15th element
 TinyGPSCustom hdop(GPS, PSTR("GPGSA"), 16); // $GPGSA sentence, 16th element
 TinyGPSCustom vdop(GPS, PSTR("GPGSA"), 17); // $GPGSA sentence, 17th element
-TinyGPSCustom fix(GPS, PSTR("GPGGA"), 6);
 TinyGPSCustom fixMode(GPS, PSTR("GPGSA"), 2);
 
 GSV GPS_GSV; // GPS Satellites in view
diff --git a/lib/gps/gps.hpp b/lib/gps/gps.hpp
index bd040103..1bf0617b 100644
--- a/lib/gps/gps.hpp
+++ b/lib/gps/gps.hpp
@@ -52,7 +52,6 @@ struct GSV
   extern TinyGPSCustom pdop; // $GNGSA sentence, 15th element
   extern TinyGPSCustom hdop; // $GNGSA sentence, 16th element
   extern TinyGPSCustom vdop; // $GNGSA sentence, 17th element
-  extern TinyGPSCustom fix;
   extern TinyGPSCustom fixMode;
 
   extern GSV GPS_GSV; // GPS Satellites in view
@@ -65,7 +64,6 @@ struct GSV
   extern TinyGPSCustom pdop; // $GPGSA sentence, 15th element
   extern TinyGPSCustom hdop; // $GPGSA sentence, 16th element
   extern TinyGPSCustom vdop; // $GPGSA sentence, 17th element
-  extern TinyGPSCustom fix;
   extern TinyGPSCustom fixMode;
 
   extern GSV GPS_GSV; // GPS Satellites in view
diff --git a/lib/gui/src/notifyBar.cpp b/lib/gui/src/notifyBar.cpp
index 38445a2d..cbe5a11a 100644
--- a/lib/gui/src/notifyBar.cpp
+++ b/lib/gui/src/notifyBar.cpp
@@ -82,22 +82,27 @@ void updateNotifyBarTimer(lv_timer_t *t)
   lv_obj_send_event(gpsTime, LV_EVENT_VALUE_CHANGED, NULL);
   lv_obj_send_event(gpsCount, LV_EVENT_VALUE_CHANGED, NULL);
   lv_obj_send_event(gpsFixMode, LV_EVENT_VALUE_CHANGED, NULL);
-  
-  switch (atoi(fix.value()))
+ 
+  if (GPS.location.isValid())
   {
-    case 0:
-      lv_led_off(gpsFix);
-      break;
-    case 1:
-      lv_led_toggle(gpsFix);
-      break;
-    case 2:
-      lv_led_toggle(gpsFix);
-      break;
-    default:
-      lv_led_off(gpsFix);
-      break;
+    switch (GPS.location.FixQuality()) 
+    {
+      case '0':
+        lv_led_off(gpsFix);
+        break;
+      case '1':
+        lv_led_toggle(gpsFix);
+        break;
+      case '2':
+        lv_led_toggle(gpsFix);
+        break;
+      default:
+        lv_led_off(gpsFix);
+        break;
+    }
   }
+  else
+   lv_led_off(gpsFix);
 
   #ifdef ENABLE_BME
   tempValue = (uint8_t)(bme.readTemperature());
@@ -173,7 +178,7 @@ void createNotifyBar()
   lv_led_off(gpsFix);
   
   gpsFixMode = lv_label_create(notifyBarIcons);
-  lv_obj_set_style_text_font(gpsFixMode, &lv_font_montserrat_10, 0);
+  lv_obj_set_style_text_font(gpsFixMode, fontSmall, 0);
   lv_label_set_text_static(gpsFixMode, "--");
   lv_obj_add_event_cb(gpsFixMode, updateNotifyBar, LV_EVENT_VALUE_CHANGED, NULL);
   
diff --git a/lib/utils/src/gpsMath.hpp b/lib/utils/src/gpsMath.hpp
index a040a3b1..cb8873bb 100644
--- a/lib/utils/src/gpsMath.hpp
+++ b/lib/utils/src/gpsMath.hpp
@@ -12,7 +12,7 @@
 #include <Arduino.h>
 #include <stdint.h>
 
-#define EARTH_RADIUS 6378137       // Earth Radius
+#define EARTH_RADIUS 6371009 //6378137       // Earth Radius
 #define METER_PER_PIXELS 156543.03 // Meters per pixels
 
 #define DEG2RAD(a) ((a) / (180 / M_PI)) // Convert degrees to radians
@@ -29,4 +29,4 @@ float mapFloat(float x, float inMin, float inMax, float outMin, float outMax);
 char *latFormatString(double lat);
 char *lonFormatString(double lon);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/platformio.ini b/platformio.ini
index 3bbdeaae..0e7f5a11 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -16,7 +16,7 @@ default_envs = CUSTOMBOARD
 platform = espressif32
 framework = arduino
 version = 0.1.8_dev
-revision = 62
+revision = 63
 monitor_speed = 115200
 monitor_rts = 0
 monitor_dtr = 0
@@ -40,7 +40,7 @@ build_flags =
   ; -D DISABLE_CLI=1            # removed CLI module. Config via Bluetooth only
 
 lib_deps = 
-	mikalhart/TinyGPSPlus@^1.0.3
+	mikalhart/TinyGPSPlus@^1.1.0
 	paulstoffregen/Time@^1.6.1
 	lvgl/lvgl@^9.1.0
 	lovyan03/LovyanGFX@^1.1.16
@@ -61,7 +61,7 @@ board_build.partitions = default_16MB.csv
 lib_deps = 
 	${common.lib_deps}
 	adafruit/Adafruit Unified Sensor@^1.1.14
-	adafruit/Adafruit BusIO@^1.16.0
+	adafruit/Adafruit BusIO@^1.16.1
 	adafruit/Adafruit BME280 Library@^2.2.4
 	adafruit/Adafruit HMC5883 Unified@^1.2.3
 build_flags =