diff --git a/LightAPRS-hab/LightAPRS-hab.ino b/LightAPRS-hab/LightAPRS-hab.ino
index 14a7344..072c271 100644
--- a/LightAPRS-hab/LightAPRS-hab.ino
+++ b/LightAPRS-hab/LightAPRS-hab.ino
@@ -105,6 +105,8 @@ void setup() {
   APRS_setPath2("WIDE2", Wide2);
   APRS_useAlternateSymbolTable(alternateSymbolTable); 
   APRS_setSymbol(Symbol);
+  //increase following value (for example to 500UL) if you experience packet loss/decode issues. 
+  APRS_setPreamble(350UL);  
   APRS_setPathSize(pathSize);
 
   configDra818(Frequency);
diff --git a/LightAPRS-vehicle/LightAPRS-vehicle.ino b/LightAPRS-vehicle/LightAPRS-vehicle.ino
index f3d37c1..544a843 100644
--- a/LightAPRS-vehicle/LightAPRS-vehicle.ino
+++ b/LightAPRS-vehicle/LightAPRS-vehicle.ino
@@ -103,6 +103,8 @@ void setup() {
   APRS_setPath2("WIDE2", Wide2);
   APRS_useAlternateSymbolTable(alternateSymbolTable); 
   APRS_setSymbol(Symbol);
+  //increase following value (for example to 500UL) if you experience packet loss/decode issues. 
+  APRS_setPreamble(350UL);  
   APRS_setPathSize(pathSize);
   AprsPinInput;