diff --git a/README.md b/README.md
index ba1ac73d..f8730a8f 100644
--- a/README.md
+++ b/README.md
@@ -53,4 +53,12 @@ Create audio sinkhole
 ```
 sudo modprobe snd-aloop index=1,2 enable=1,1 pcm_substreams=1,1 id=CHAT1,CHAT2 
 ```
+## TNC 1
+```
+./main.py --port 3000 --tx 1 --rx 1
+```
+## TNC 2
+```
+./main.py --port 3001 --tx 2 --rx 2
+```