diff --git a/config.proto b/config.proto
index c98b5b2..6ab6fba 100644
--- a/config.proto
+++ b/config.proto
@@ -132,6 +132,14 @@ message Config {
        * Include positional timestamp (from GPS solution)
        */
       POS_TIMESTAMP = 0x0080;
+      /*
+       * Include positional heading (from GPS solution)
+       */
+      POS_HEADING = )0x0160;
+      /*
+       * Include positional speed (from GPS solution)
+       */
+      POS_SPEED = 0x0320;
     }
 
     /*