diff --git a/chapters/design.tex b/chapters/design.tex
index 3345301..d2f3934 100644
--- a/chapters/design.tex
+++ b/chapters/design.tex
@@ -283,18 +283,18 @@ \section{Telecommunication}
             \cmidrule{3-6}
                                      &                     & \textbf{ID} & \textbf{Source Callsign} & \textbf{Data (up to 212 bytes)} & \textbf{Size (bytes)} & \\
             \midrule
-            Downlink                 & EPS data            & 00h & \multirow{2}{*}{`` '' + ``PY0EFS''} & EPS data                                          & 46        & Public \\
+            Downlink                 & EPS data            & 00h & \multirow{3}{*}{`` '' + ``PY0EFS''} & EPS data                                          & 46        & Public \\
             (VHF)                    & Message broadcast   & 01h &                                     & Requester + dst. callsign + message               & 22 to 60  & Public \\
+                                     & Ping answer         & 02h &                                     & Requester callsign                                & 15        & Public \\
             \midrule
-                                     & General telemetry   & 10h & \multirow{7}{*}{`` '' + ``PY0EFS''} & OBDH/EPS data                                     & 78        & Public \\
-                                     & Ping answer         & 11h &                                     & Requester callsign                                & 15        & Public \\
-            Downlink                 & Data request answer & 12h &                                     & Requester callsign + data ID + ts. + data         & 20 to 220 & Public \\
-            (UHF)                    & Payload data        & 13h &                                     & Payload ID + payload data                         & 9 to 220  & Public \\
-                                     & TC feedback         & 14h &                                     & Req. callsign + TC packet ID + timestamp          & 20        & Public \\
-                                     & Parameter value     & 15h &                                     & Req. callsign + Sub. ID + Param. ID + Param. Val. & 21        & Public \\
-                                     & Packet broadcast    & 16h &                                     & Data of ``Transmit packet'' TC)                   & 8 to 60   & Private \\
+                                     & General telemetry   & 10h & \multirow{6}{*}{`` '' + ``PY0EFS''} & OBDH/EPS data                                     & 78        & Public \\
+                                     & Data request answer & 11h &                                     & Requester callsign + data ID + ts. + data         & 20 to 220 & Public \\
+            Downlink                 & Payload data        & 12h &                                     & Payload ID + payload data                         & 9 to 220  & Public \\
+            (UHF)                    & TC feedback         & 13h &                                     & Req. callsign + TC packet ID + timestamp          & 20        & Public \\
+                                     & Parameter value     & 14h &                                     & Req. callsign + Sub. ID + Param. ID + Param. Val. & 21        & Public \\
+                                     & Packet broadcast    & 15h &                                     & Data of ``Transmit packet'' TC                    & 8 to 60   & Public \\
             \midrule
-            \multirow{14}{*}{Uplink} & Ping request        & 40h & \multirow{15}{*}{Any Callsign}      & None                                              & 8         & Public \\
+            \multirow{16}{*}{Uplink} & Ping request        & 40h & \multirow{15}{*}{Any Callsign}      & None                                              & 8         & Public \\
                                      & Data request        & 41h &                                     & Data ID + Start ts. + End ts. + Hash              & 37        & Private \\
                                      & Broadcast Message   & 42h &                                     & Dst. callsign + message                           & 15 to 53  & Public \\
                                      & Enter hibernation   & 43h &                                     & Hibernation in hours + Hash                       & 30        & Private \\
@@ -308,7 +308,8 @@ \section{Telecommunication}
                                      & Get payload data    & 4Bh &                                     & Payload ID + Args. + Hash                         & 41        & Private \\
                                      & Set parameter       & 4Ch &                                     & Subsystem ID + Param. ID + Param. value + Hash    & 34        & Private \\
                                      & Get parameter       & 4Dh &                                     & Subsystem ID + Parameter ID + Hash                & 30        & Private \\
-                                     & Transmit packet     & 4Eh &                                     & Any sequence of bytes                             & 8 to 60   & Private \\
+                                     & Transmit packet     & 4Eh &                                     & Any sequence of bytes + Hash                      & 8 to 60   & Private \\
+                                     & Update TLE          & 4Fh &                                     & Line + TLE line + Hash                            & 98        & Private \\
             \bottomrule[1.5pt]
         \end{tabular}
         \caption{Telecommunication packets and their content.}
diff --git a/slb-fsat2-doc-v0.3.pdf b/slb-fsat2-doc-v0.3.pdf
index f31a196..c09776e 100755
Binary files a/slb-fsat2-doc-v0.3.pdf and b/slb-fsat2-doc-v0.3.pdf differ