diff --git a/FDRS_Gateway2000/DataReading.h b/FDRS_Gateway2000/DataReading.h
index 9796491..8cb4a33 100644
--- a/FDRS_Gateway2000/DataReading.h
+++ b/FDRS_Gateway2000/DataReading.h
@@ -1,5 +1,5 @@
 
-typedef struct DataReading {
+typedef struct __attribute__((packed)) DataReading {
   float d;
   uint16_t id;
   uint8_t t;
diff --git a/FDRS_Gateway2000/FDRS_Gateway2000.ino b/FDRS_Gateway2000/FDRS_Gateway2000.ino
index 44cf17d..c602d7c 100644
--- a/FDRS_Gateway2000/FDRS_Gateway2000.ino
+++ b/FDRS_Gateway2000/FDRS_Gateway2000.ino
@@ -32,6 +32,7 @@ void setup() {
   Serial.begin(115200);
 #endif
 #endif
+
   begin_espnow();
 #ifdef USE_WIFI
   delay(10);
@@ -48,7 +49,9 @@ void setup() {
   if (!LoRa.begin(BAND)) {
     while (1);
   }
-#endif
+#endif 
+Serial.println(sizeof(DataReading));
+
 }
 
 void loop() {
diff --git a/FDRS_Gateway2000/defaults.h b/FDRS_Gateway2000/defaults.h
index 09d6757..0a3d9ed 100644
--- a/FDRS_Gateway2000/defaults.h
+++ b/FDRS_Gateway2000/defaults.h
@@ -1,8 +1,8 @@
 #define UNIT_MAC     0xFD  // THIS UNIT
-#define ESPNOW1_MAC  0xFE  // ESPNOW1 Address 
-#define ESPNOW2_MAC  0xFF  // ESPNOW2 Address
-#define LORA1_MAC    0xFE  // LoRa1 Address
-#define LORA2_MAC    0xFF  // LoRa2 Address
+#define ESPNOW1_PEER  0xFE  // ESPNOW1 Address 
+#define ESPNOW2_PEER  0xFF  // ESPNOW2 Address
+#define LORA1_PEER    0xFE  // LoRa1 Address
+#define LORA2_PEER    0xFF  // LoRa2 Address
 
 #define ESPNOW1_DELAY  0
 #define ESPNOW2_DELAY  0
diff --git a/FDRS_Gateway2000/fdrs_config.h b/FDRS_Gateway2000/fdrs_config.h
index 33bd18a..3722525 100644
--- a/FDRS_Gateway2000/fdrs_config.h
+++ b/FDRS_Gateway2000/fdrs_config.h
@@ -4,15 +4,15 @@
 
 #include "defaults.h"
 
-#define UNIT_MAC     0x01  // THIS UNIT
+#define UNIT_MAC     0x00  // THIS UNIT
 
 //Actions -- Define what happens when a packet arrives at each interface:
 //Current function options are: sendESPNOW(MAC), sendSerial(), sendMQTT(), bufferESPNOW(interface), bufferSerial(), and bufferLoRa(interface).
   
 #define ESPNOWG_ACT    sendSerial();
 #define SERIAL_ACT     
-#define MQTT_ACT       sendSerial();   
-#define LORAG_ACT      sendSerial();
+#define MQTT_ACT          
+#define LORAG_ACT      
  
  
 //ESP32 Only
diff --git a/FDRS_Gateway2000/fdrs_functions.h b/FDRS_Gateway2000/fdrs_functions.h
index 4b4e110..0a380ed 100644
--- a/FDRS_Gateway2000/fdrs_functions.h
+++ b/FDRS_Gateway2000/fdrs_functions.h
@@ -4,11 +4,11 @@ const uint8_t mac_prefix[] = {MAC_PREFIX};
 
 uint8_t broadcast_mac[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
 uint8_t selfAddress[] =   {MAC_PREFIX, UNIT_MAC};
-uint8_t ESPNOW1[] =       {MAC_PREFIX, ESPNOW1_MAC};
-uint8_t ESPNOW2[] =       {MAC_PREFIX, ESPNOW2_MAC};
+uint8_t ESPNOW1[] =       {MAC_PREFIX, ESPNOW1_PEER};
+uint8_t ESPNOW2[] =       {MAC_PREFIX, ESPNOW2_PEER};
 uint8_t incMAC[6];
-uint8_t LoRa1[] =         {mac_prefix[4], LORA1_MAC};
-uint8_t LoRa2[] =         {mac_prefix[4], LORA2_MAC};
+uint8_t LoRa1[] =         {mac_prefix[3], mac_prefix[4], LORA1_PEER};
+uint8_t LoRa2[] =         {mac_prefix[3], mac_prefix[4], LORA2_PEER};
 
 DataReading theData[256];
 uint8_t ln;
@@ -117,8 +117,11 @@ void getLoRa() {
     uint8_t packet[packetSize];
     uint8_t incLORAMAC[2];
     LoRa.readBytes((uint8_t *)&packet, packetSize);
-    if (memcmp(&packet, &selfAddress[4], 2) == 0) {        //Check if addressed to this device
-      memcpy(&incLORAMAC, &packet[2], 2);                  //Split off address portion of packet
+    //    for (int i = 0; i < packetSize; i++) {
+    //      Serial.println(packet[i], HEX);
+    //    }
+    if (memcmp(&packet, &selfAddress[3], 3) == 0) {        //Check if addressed to this device
+      memcpy(&incLORAMAC, &packet[3], 2);                  //Split off address portion of packet
       memcpy(&theData, &packet[5], packetSize - 5);        //Split off data portion of packet
       if (memcmp(&incLORAMAC, &LoRa1, 2) == 0) newData = 7;     //Check if it is from a registered sender
       else if (memcmp(&incLORAMAC, &LoRa2, 2) == 0) newData = 8;
@@ -301,8 +304,8 @@ void releaseESPNOW(uint8_t interface) {
 #ifdef USE_LORA
 void transmitLoRa(uint8_t* mac, DataReading * packet, uint8_t len) {
   uint8_t pkt[5 + (len * sizeof(DataReading))];
-  memcpy(&pkt, mac, 2);
-  memcpy(&pkt[2], &selfAddress[4], 2);
+  memcpy(&pkt, mac, 3);
+  memcpy(&pkt[3], &selfAddress[4], 2);
   memcpy(&pkt[5], packet, len * sizeof(DataReading));
   LoRa.beginPacket();
   LoRa.write((uint8_t*)&pkt, sizeof(pkt));