diff --git a/main.h b/main.h
index c3bd0501..11e30445 100644
--- a/main.h
+++ b/main.h
@@ -103,6 +103,10 @@ FILE * file1;
 short int buffer[2336400]; // max size for 10 frames count of BPSK
 FILE *sopen(const char *program);
 FILE *telem_file;	
+int adc_file;
+#define BUFFER_SIZE  10000
+byte buffer[BUFFER_SIZE];
+unsigned long int wav_position = 0;
 
 #define S_RATE	(48000) // (44100)