diff --git a/data/igate_conf.json b/data/igate_conf.json
index 3dc3a80..8c4d27f 100644
--- a/data/igate_conf.json
+++ b/data/igate_conf.json
@@ -1,6 +1,6 @@
 {
     "callsign": "CD2RXU-11",
-    "stationMode": 2,
+    "stationMode": 3,
     "iGateComment": "LoRa_APRS_iGate",
     "wifi": {
         "AP": [
@@ -18,8 +18,8 @@
     },
     "digi": {
         "comment": "LoRa_APRS_Digirepeater",
-        "latitude": 0.0000000,
-        "longitude": 0.0000000
+        "latitude": -32.8805195,
+        "longitude": -71.4282433
     },
     "aprs_is": {
         "passcode": "23201",
diff --git a/src/LoRa_APRS_iGate.cpp b/src/LoRa_APRS_iGate.cpp
index 1aec632..6b616cb 100644
--- a/src/LoRa_APRS_iGate.cpp
+++ b/src/LoRa_APRS_iGate.cpp
@@ -20,7 +20,7 @@
 Configuration   Config;
 WiFiClient      espClient;
 
-String          versionDate           = "2023.09.03";
+String          versionDate           = "2023.09.05";
 int             myWiFiAPIndex         = 0;
 int             myWiFiAPSize          = Config.wifiAPs.size();
 WiFi_AP         *currentWiFi          = &Config.wifiAPs[myWiFiAPIndex];
@@ -40,6 +40,8 @@ String          batteryVoltage;
 
 std::vector<String> lastHeardStation;
 std::vector<String> lastHeardStation_temp;
+std::vector<String> packetBuffer;
+std::vector<String> packetBuffer_temp;
 
 String firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, seventhLine, iGateBeaconPacket;
 
diff --git a/src/digi_utils.cpp b/src/digi_utils.cpp
index d55065d..d175d1a 100644
--- a/src/digi_utils.cpp
+++ b/src/digi_utils.cpp
@@ -29,6 +29,7 @@ void processPacket(String packet) {
             Serial.println("   ---> APRS LoRa Packet");
             String sender = packet.substring(3,packet.indexOf(">"));
             STATION_Utils::updateLastHeard(sender);
+            STATION_Utils::updatePacketBuffer(packet);
             Utils::typeOfPacket(packet, "Digi");
             if ((stationMode==3 || stationMode==5) && (packet.indexOf("WIDE1-1") > 10)) {
                 loraPacket = packet.substring(3);
diff --git a/src/station_utils.cpp b/src/station_utils.cpp
index 4d9278a..edfad8a 100644
--- a/src/station_utils.cpp
+++ b/src/station_utils.cpp
@@ -5,6 +5,8 @@
 extern Configuration        Config;
 extern std::vector<String>  lastHeardStation;
 extern std::vector<String>  lastHeardStation_temp;
+extern std::vector<String>  packetBuffer;
+extern std::vector<String>  packetBuffer_temp;
 extern String               fourthLine;
 
 namespace STATION_Utils {
@@ -63,4 +65,39 @@ bool wasHeard(String station) {
   return false;
 }
 
+void checkBuffer() {
+  for (int i=0; i<packetBuffer.size(); i++) {
+    String deltaTimeString = packetBuffer[i].substring(0,packetBuffer[i].indexOf(","));
+    uint32_t deltaTime = deltaTimeString.toInt();
+    if ((millis() - deltaTime) < 60*1000) { // cambiar a 15 segundos?
+      packetBuffer_temp.push_back(packetBuffer[i]);
+    }
+  }
+  packetBuffer.clear();
+  for (int j=0; j<packetBuffer_temp.size(); j++) {
+    packetBuffer.push_back(packetBuffer_temp[j]);
+  }
+  packetBuffer_temp.clear();
+
+  // BORRAR ESTO !!
+  for (int i=0; i<packetBuffer.size(); i++) {
+    Serial.println(packetBuffer[i]);
+  }
+  //
+}
+
+void updatePacketBuffer(String packet) {
+  if ((packet.indexOf(":!") == -1) && (packet.indexOf(":=") == -1) && (packet.indexOf(":>") == -1)) {
+    String sender = packet.substring(3,packet.indexOf(">"));
+    String tempAddressee = packet.substring(packet.indexOf("::") + 2);
+    String addressee = tempAddressee.substring(0,tempAddressee.indexOf(":"));
+    addressee.trim();
+    String message = tempAddressee.substring(tempAddressee.indexOf(":")+1);
+    //Serial.println(String(millis()) + "," + sender + "," + addressee + "," + message);
+    packetBuffer.push_back(String(millis()) + "," + sender + "," + addressee + "," + message);
+    checkBuffer();
+  }
+}
+
+
 }
\ No newline at end of file
diff --git a/src/station_utils.h b/src/station_utils.h
index 2da92d1..cfe857a 100644
--- a/src/station_utils.h
+++ b/src/station_utils.h
@@ -8,6 +8,8 @@ namespace STATION_Utils {
 void deleteNotHeard();
 void updateLastHeard(String station);
 bool wasHeard(String station);
+void checkBuffer();
+void updatePacketBuffer(String packet);
 
 }