diff --git a/main.c b/main.c
index 61f9d7fd..83aed5d2 100644
--- a/main.c
+++ b/main.c
@@ -2190,21 +2190,21 @@ void program_radio() {
   digitalWrite(28, HIGH);  // stop transmit	
 	
 if ((uart_fd = serialOpen("/dev/ttyAMA0", 9600)) >= 0) {  // was 9600
-  printf("serial opened 9600");  
+  printf("serial opened 9600\n");  
   for (int i = 0; i < 5; i++) {
      sleep(1); // delay(500);
 #ifdef APRS_VHF
-     char vhf_string[] = "AT+DMOSETGROUP=0,144.3900,144.3900,0,3,0,0\r";	
+     char vhf_string[] = "AT+DMOSETGROUP=0,144.3900,144.3900,0,3,0,0\r\n";	
      serialPrintf(uart_fd, vhf_string);	
 //     mySerial.println("AT+DMOSETGROUP=0,144.3900,144.3900,0,3,0,0\r");    // can change to 144.39 for standard APRS	  
 //    mySerial.println("AT+DMOSETGROUP=0,145.0000,145.0000,0,3,0,0\r");    // can change to 145 for testing ASPRS	  
 #else
-     char uhf_string[] = "AT+DMOSETGROUP=0,435.0000,434.9000,0,3,0,0\r";	  
+     char uhf_string[] = "AT+DMOSETGROUP=0,435.0000,434.9000,0,3,0,0\r\n";	  
      serialPrintf(uart_fd, uhf_string);	  
 //     mySerial.println("AT+DMOSETGROUP=0,435.1000,434.9900,0,3,0,0\r");   // squelch set to 3
 #endif	  
    sleep(1);
-   char mic_string[] = "AT+DMOSETMIC=8,0\r";  
+   char mic_string[] = "AT+DMOSETMIC=8,0\r\n";  
    serialPrintf(uart_fd, mic_string);
 //   mySerial.println("AT+DMOSETMIC=8,0\r");  // was 8