diff --git a/meshtastic/atak.proto b/meshtastic/atak.proto
index 669205a..5569091 100644
--- a/meshtastic/atak.proto
+++ b/meshtastic/atak.proto
@@ -210,13 +210,18 @@ message PLI {
    */
   sfixed32 longitude_i = 2;
 
+  /*
+   * Altitude (ATAK prefers HAE)
+   */
+  uint32 altitude = 3;
+
   /*
    * Speed
    */
-  uint32 speed = 3;
+  uint32 speed = 4;
 
   /*
    * Course in degrees
    */
-  uint32 course = 4;  
+  uint32 course = 5;  
 }