* new RX delays based on SNR

examples/simple_secure_chat/main.cpp

@@ -44,8 +44,8 @@
 
 #define SEND_TIMEOUT_BASE_MILLIS          300
 #define FLOOD_SEND_TIMEOUT_FACTOR         16.0f
-#define DIRECT_SEND_PERHOP_FACTOR         4.0f
-#define DIRECT_SEND_PERHOP_EXTRA_MILLIS   200
+#define DIRECT_SEND_PERHOP_FACTOR         5.0f
+#define DIRECT_SEND_PERHOP_EXTRA_MILLIS   250
 
 #define  PUBLIC_GROUP_PSK  "izOH6cXN6mrJ5e26oRXNcg=="