diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index f019ab25..2002c116 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -306,7 +306,7 @@ RPI_PICO_Timer ITimer1(0);
 
 char callsign[20];
 int morse_timing = 300;  // ms for a dit
-int morse_freq = 1500;  // Hz
+int morse_freq = 2500;  // Hz
 int morse_table[44][5] = {  // 0-9, A-Z only by (ASCII - 48)
   { 3, 3, 3, 3, 3 },	// 0		
   { 1, 3, 3, 3, 3 },	// 1