diff --git a/main.c b/main.c
index 32afae52..e64630ed 100644
--- a/main.c
+++ b/main.c
@@ -2482,6 +2482,7 @@ void get_tlm_fc() {
 /* write waveform buffer over socket */
 
   int length = (((headerLen + syncBits + dataLen) * samples) * 2) + 2;	// ctr * 2 + 2 like bpsk due to 2 bytes per sample.
+  printf("length: %d ctr: %d\n", length, ctr);	
 
   if (!error && transmit) {
     //	digitalWrite (0, LOW);