diff --git a/skyscraper8/DvbNip/DvbNipReceiver.cs b/skyscraper8/DvbNip/DvbNipReceiver.cs
index 2a6c6c2..dde6ca5 100644
--- a/skyscraper8/DvbNip/DvbNipReceiver.cs
+++ b/skyscraper8/DvbNip/DvbNipReceiver.cs
@@ -127,10 +127,6 @@ namespace skyscraper8.DvbNip
 							SetFileAssociations(fluteListener, fdtAnnouncement);
 						}
 					}
-					else
-					{
-						Console.WriteLine("aaa");
-					}
 					fluteStream.Close();
 					fluteStream.Dispose();
 					flutes.Remove(fluteCoordinate);
diff --git a/skyscraper8/DvbNip/DvbNipUtilities.cs b/skyscraper8/DvbNip/DvbNipUtilities.cs
index c0c49ae..55a6223 100644
--- a/skyscraper8/DvbNip/DvbNipUtilities.cs
+++ b/skyscraper8/DvbNip/DvbNipUtilities.cs
@@ -5,6 +5,7 @@ using skyscraper8.Ietf.FLUTE;
 using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
+using System.IO.Compression;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -57,6 +58,9 @@ namespace skyscraper8.DvbNip
 
 		public static bool IsMime(Stream s)
 		{
+			if (s is GZipStream)
+				return false;
+
 			if (s.GetAvailableBytes() <= MimeVersionMagic.Length)
 			{
 				return false;
diff --git a/skyscraper8/InteractionChannel/Model/Tim.cs b/skyscraper8/InteractionChannel/Model/Tim.cs
index e53e470..9c28816 100644
--- a/skyscraper8/InteractionChannel/Model/Tim.cs
+++ b/skyscraper8/InteractionChannel/Model/Tim.cs
@@ -329,7 +329,10 @@ namespace skyscraper5.src.InteractionChannel.Model
 						handler.OnReturnTransmissionMOdes(macAddress, (_0xb2_ReturnTransmissionModesDescriptor)descriptor);
 						break;
 					case 0xb7:
-						handler.OnFramePayloadFormatAnnouncement(networkId.Value, (_0xb7_FramePayloadFormatDescriptor)descriptor);
+						if (networkId.HasValue)
+						{
+							handler.OnFramePayloadFormatAnnouncement(networkId.Value, (_0xb7_FramePayloadFormatDescriptor)descriptor);
+						}
 						break;
 					case 0xb9:
 						handler.LogonResponseDescriptor(macAddress, (_0xb9_LogonResponseDescriptor)descriptor);
diff --git a/skyscraper8/Properties/launchSettings.json b/skyscraper8/Properties/launchSettings.json
index 3ce0d08..976ed90 100644
--- a/skyscraper8/Properties/launchSettings.json
+++ b/skyscraper8/Properties/launchSettings.json
@@ -2,7 +2,7 @@
   "profiles": {
     "skyscraper8": {
       "commandName": "Project",
-      "commandLineArgs": "\"Z:\\Persönliches\\Satellitescommunity\\65W11304V.TS\"",
+      "commandLineArgs": "\"C:\\devel\\skyscraper8\\skyscraper8\\bin\\Debug\\net8.0\\testsuite\\thor_11049v_simmin-radiomidun.ts\"",
       "remoteDebugEnabled": false
     },
     "Container (Dockerfile)": {
diff --git a/skyscraper8/Skyscraper/IO/StreamExtensions.cs b/skyscraper8/Skyscraper/IO/StreamExtensions.cs
index c2d5fe2..7010270 100644
--- a/skyscraper8/Skyscraper/IO/StreamExtensions.cs
+++ b/skyscraper8/Skyscraper/IO/StreamExtensions.cs
@@ -2,7 +2,9 @@
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
+using System.IO.Compression;
 using System.Net.Sockets;
+using System.Runtime.CompilerServices;
 using System.Text;
 
 namespace skyscraper5.Skyscraper.IO
@@ -156,6 +158,12 @@ namespace skyscraper5.Skyscraper.IO
         [DebuggerStepThrough]
         public static long GetAvailableBytes(this Stream stream)
         {
+	        if (stream is GZipStream)
+	        {
+				GZipStream gzip = (GZipStream)stream;
+				long baseStreamPosition = gzip.BaseStream.Length - gzip.BaseStream.Position;
+				return baseStreamPosition;
+	        }
             return stream.Length - stream.Position;
         }
 
diff --git a/skyscraper8/VersionInfo.cs b/skyscraper8/VersionInfo.cs
index 39a5854..5977d87 100644
--- a/skyscraper8/VersionInfo.cs
+++ b/skyscraper8/VersionInfo.cs
@@ -4,7 +4,7 @@ namespace skyscraper8;
 
 public class VersionInfo
 {
-    private const int PUBLIC_RELEASE = 14;
+    private const int PUBLIC_RELEASE = 15;
 
     public static int GetPublicReleaseNumber()
     {