int GetNRZpskClock(const char *str, int peak, int verbose);
void setGraphBuf(uint8_t *buff, size_t size);
-#define MAX_GRAPH_TRACE_LEN (1024*128)
+// Max graph trace len: 40000 (bigbuf) * 8 (at 1 bit per sample)
+#define MAX_GRAPH_TRACE_LEN (40000 * 8 )
extern int GraphBuffer[MAX_GRAPH_TRACE_LEN];
extern int GraphTraceLen;