diff --git a/NeoPatterns.cpp b/NeoPatterns.cpp
index 9973311..6a6ded8 100644
--- a/NeoPatterns.cpp
+++ b/NeoPatterns.cpp
@@ -499,27 +499,27 @@ void NeoPatterns::Radar(float radarspeed,float radarthickness, uint8_t interval)
 void NeoPatterns::RadarUpdate()
 {
   Radarposition += Radarspeed;
-  while (Radarposition>=32){
-    Radarposition-=32;  
+  while (Radarposition>=20){
+    Radarposition-=20;
   }
-  while (Radarposition<=-32){
-    Radarposition+=32;  
+  while (Radarposition<=-20){
+    Radarposition+=20;
   }
 
-  for (int i=0;i<32;i++){
+  for (int i=0;i<20;i++){
     uint32_t c= Color(0,0,0);
 
     float angulardistance;
     if (Radarspeed>0){
       angulardistance=Radarposition-i; 
       if (angulardistance<0){
-        angulardistance+=32;
+        angulardistance+=20;
       }
     }
     
     if (angulardistance<=Radarfadelength){
       uint8_t _brightness=(Radarfadelength-angulardistance)*255/Radarfadelength;
-      c= Color (int( pow( (_brightness/255.0),2)*255.0), _brightness ,int(pow( (_brightness/255.0),2)*200.0) );
+      c= Color (int( pow( (_brightness/255.0),2)*255.0), _brightness ,int(pow( (_brightness/255.0),2)*150.0) );
     }
     
     colorCircleSegment(i, c);
@@ -528,11 +528,15 @@ void NeoPatterns::RadarUpdate()
     Radardotbrightness=255;
   }
   if (Radardotbrightness>10){
-    Radardotbrightness-=Radardotfadespeed;
+    if (Radardotbrightness>=Radardotfadespeed){
+      Radardotbrightness-=Radardotfadespeed;
+    }else{
+      Radardotbrightness=0;
+    }
     colorCircleSegment(Radardotposition, Color (Radardotbrightness,0,0));
   }else{
     if (random(100)==0){
-      Radardotposition=random(0,32); //set new position
+      Radardotposition=random(0,20); //set new position
     }
   }
   
@@ -687,7 +691,7 @@ void NeoPatterns::setupboxs() {
 }
 
 void NeoPatterns::colorCircleSegment(uint8_t wheelid, uint32_t c){ //color a wheel segment
-  for (int i=0;i<4;i++) {
+  for (int i=0;i<6;i++) {
     setPixelColor(boxcircle[wheelid][i], c);
   }
   show();
diff --git a/NeoPatterns.h b/NeoPatterns.h
index b902f17..16ba39f 100644
--- a/NeoPatterns.h
+++ b/NeoPatterns.h
@@ -34,7 +34,7 @@ class NeoPatterns : public Adafruit_NeoPixel
     void SmoothUpdate();
     void Plasma(float phase = 0, float phaseIncrement = 0.08, float colorStretch = 0.11, uint8_t interval = 60); // 0.08 and 0.11   // 0.03 und 0.3
     void PlasmaUpdate();
-    void Radar(float radarspeed = 1,float radarthickness = 1, uint8_t interval = 50);
+    void Radar(float radarspeed = 0.5,float radarthickness = 1, uint8_t interval = 50);
     void RadarUpdate();
 
     void SetColor1(uint32_t color);
@@ -50,7 +50,30 @@ class NeoPatterns : public Adafruit_NeoPixel
     };
     
     struct box boxs[25];
-    uint8_t boxcircle[32][4]={
+
+    uint8_t boxcircle[20][6]={
+      {0,1,2,2,2,2},
+      {3,4,5,5,5,5},
+      {6,7,8,8,8,8},
+      {9,10,11,11,11,11},
+      {12,13,14,14,14,14},
+      {15,16,17,17,17,17},
+      {18,19,20,27,28,29},
+      {21,22,23,27,28,29},
+      {24,25,26,27,28,29},
+      {32,33,34,30,31,31},
+      {37,38,39,35,36,36},
+      {43,44,45,40,41,42},
+      {46,47,48,40,41,42},
+      {49,50,51,40,41,42},
+      {52,53,54,54,54,54},
+      {55,56,57,57,57,57},
+      {58,59,60,60,60,60},
+      {61,62,63,63,63,63},
+      {64,65,66,66,66,66},
+      {67,68,69,69,69,69},
+      };
+    /*uint8_t boxcircle[32][4]={
       {0,0,0,0}, //0
       {1,2,2,2},
       {3,4,4,4},
@@ -83,7 +106,7 @@ class NeoPatterns : public Adafruit_NeoPixel
       {65,66,66,66},
       {67,68,68,68},
       {69,69,69,69} //31
-      };
+      };*/
     
     void setupboxs();
     void colorBox(uint8_t boxid, uint32_t c);