diff --git a/main.h b/main.h
index f26913ec..1fbf134d 100644
--- a/main.h
+++ b/main.h
@@ -89,6 +89,7 @@ char cmdbuffer[1000];
 FILE * file1;
 short int buffer[2336400]; // max size for 10 frames count of BPSK
 FILE *sopen(const char *program);
+FILE *telem_file;	
 
 #define S_RATE	(48000) // (44100)