diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index ad14e96a..ed1befae 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -88,9 +88,9 @@ int firstTime = ON; // 0;
 long start;
 int testCount = 0;
 long time_start;
-char cmdbuffer[1000];
+//char cmdbuffer[1000];
 FILE * file1;
-short int buffer[2336400]; // max size for 10 frames count of BPSK
+short int buffer[10240]; // was 2336400]; // max size for 10 frames count of BPSK
 FILE *sopen(const char *program);
 
 #define S_RATE	(48000) // (44100)