diff --git a/DSMRloggerAPI.h b/DSMRloggerAPI.h
index 50de352..a39e29c 100644
--- a/DSMRloggerAPI.h
+++ b/DSMRloggerAPI.h
@@ -230,7 +230,7 @@ String    pTimestamp;
 DECLARE_TIMER_SEC(updateSeconds,       1, CATCH_UP_MISSED_TICKS);
 DECLARE_TIMER_SEC(updateDisplay,       5);
 DECLARE_TIMER_MIN(reconnectWiFi,      30);
-DECLARE_TIMER_SEC(synchrNTP,          30);
+DECLARE_TIMER_MIN(synchrNTP,          10, SKIP_MISSED_TICKS);
 DECLARE_TIMER_SEC(nextTelegram,       10);
 DECLARE_TIMER_MIN(reconnectMQTTtimer,  2); // try reconnecting cyclus timer
 DECLARE_TIMER_SEC(publishMQTTtimer,   60, SKIP_MISSED_TICKS); // interval time between MQTT messages  
diff --git a/DSMRloggerAPI.ino b/DSMRloggerAPI.ino
index 7b83d2d..a7d119d 100644
--- a/DSMRloggerAPI.ino
+++ b/DSMRloggerAPI.ino
@@ -2,7 +2,7 @@
 ***************************************************************************  
 **  Program  : DSMRloggerAPI (restAPI)
 */
-#define _FW_VERSION "v1.2.4 (11-04-2020)"
+#define _FW_VERSION "v1.2.4 (16-04-2020)"
 /*
 **  Copyright (c) 2020 Willem Aandewiel
 **
@@ -12,6 +12,7 @@
   Arduino-IDE settings for DSMR-logger Version 4 (ESP-12):
 
     - Board: "Generic ESP8266 Module"
+    - Builtin Led: "2"
     - Flash mode: "DOUT" | "DIO"    // change only after power-off and on again!
     - Flash size: "4MB (FS: 2MB OAT:~1019KB)"  << LET OP! 2MB SPIFFS
     - DebugT port: "Disabled"
@@ -21,7 +22,7 @@
     - Crystal Frequency: "26 MHz" 
     - VTables: "Flash"
     - Flash Frequency: "40MHz"
-    - CPU Frequency: "80 MHz"
+    - CPU Frequency: "80 MHz" (or 160MHz)
     - Buildin Led: "2"  // GPIO02 for Wemos and ESP-12
     - Upload Speed: "115200"                                                                                                                                                                                                                                                 
     - Erase Flash: "Only Sketch"
@@ -604,12 +605,12 @@ void loop ()
 #if defined(USE_NTP_TIME)                                           //USE_NTP
   if DUE(synchrNTP)                                                 //USE_NTP
   {
-    if (timeStatus() == timeNeedsSync || prevNtpHour != hour())     //USE_NTP
-    {
-      prevNtpHour = hour();                                         //USE_NTP
+  //if (timeStatus() == timeNeedsSync || prevNtpHour != hour())     //USE_NTP
+  //{
+      //prevNtpHour = hour();                                         //USE_NTP
       setSyncProvider(getNtpTime);                                  //USE_NTP
       setSyncInterval(600);                                         //USE_NTP
-    }
+  //}
   }
 #endif                                                              //USE_NTP
   
diff --git a/SPIFFSstuff.ino b/SPIFFSstuff.ino
index 765713c..6342c81 100644
--- a/SPIFFSstuff.ino
+++ b/SPIFFSstuff.ino
@@ -209,7 +209,8 @@ void writeDataToFiles()
   recSlot = timestampToHourSlot(actTimestamp, strlen(actTimestamp));
   if (Verbose1) DebugTf("HOURS:  Write to slot[%02d] in %s\r\n", recSlot, HOURS_FILE);
   writeDataToFile(HOURS_FILE, record, recSlot, HOURS);
-
+  writeToSysLog("HOURS: actTimestamp[%s], recSlot[%d]", actTimestamp, recSlot);
+  
   // update DAYS
   recSlot = timestampToDaySlot(actTimestamp, strlen(actTimestamp));
   if (Verbose1) DebugTf("DAYS:   Write to slot[%02d] in %s\r\n", recSlot, DAYS_FILE);
diff --git a/processTelegram.ino b/processTelegram.ino
index cc88b14..a55f76d 100644
--- a/processTelegram.ino
+++ b/processTelegram.ino
@@ -29,19 +29,22 @@ void processTelegram()
                                                     
   strcpy(newTimestamp, DSMRdata.timestamp.c_str()); 
 
-  newT = epoch(newTimestamp, strlen(newTimestamp), true); // update system time
+  newT = epoch(newTimestamp, strlen(newTimestamp), false); // do NOT update system time
   actT = epoch(actTimestamp, strlen(actTimestamp), false);
   
   // Skip first 3 telegrams .. just to settle down a bit ;-)
   
   if ((int32_t)(telegramCount - telegramErrors) < 3) 
   {
+    strCopy(actTimestamp, sizeof(actTimestamp), newTimestamp);
+    actT = epoch(actTimestamp, strlen(actTimestamp), true);   // update system time
     return;
   }
   
-  strCopy(actTimestamp, sizeof(actTimestamp), newTimestamp);  // maar nog NIET actT!!!
   DebugTf("actHour[%02d] -- newHour[%02d]\r\n", hour(actT), hour(newT));
-  
+  if (hour(actT) != hour(newT)) {
+    writeToSysLog("actHour[%02d] -- newHour[%02d]", hour(actT), hour(newT));
+  }
   // has the hour changed (or the day or month)  
   // in production testing on hour only would
   // suffice, but in testing I need all three
@@ -59,6 +62,9 @@ void processTelegram()
     sendMQTTData();      
   }    
 
+  strCopy(actTimestamp, sizeof(actTimestamp), newTimestamp);
+  actT = epoch(actTimestamp, strlen(actTimestamp), true);   // update system time
+
 } // processTelegram()