add heading offset correction value in config

main.lua

@@ -162,6 +162,11 @@ Config.Autopilot = {
     AutopilotDesiredHeading = nil
 }
 
+-- Correctional values for when some sensor values are offset
+Config.SensorCorrection = {
+    Heading = 0 -- this should be +/- 180
+}
+
 Config.Throttles = nil
 
 function ThrottleInit() 
@@ -501,6 +506,16 @@ function PollNavTable()
         SensorData.NavTable = {}
 
         Heading = navTable.getHeading()
+
+        if Config.SensorCorrection.Heading ~= 0 then
+            if Heading + Config.SensorCorrection.Heading > 360 then
+                local difference = 360 - Heading
+                Heading = 0 + (Config.SensorCorrection.Heading - difference)
+            else
+                Heading = Heading + Config.SensorCorrection.Heading
+            end
+        end
+
         NavTableHasTarget = navTable.hasTarget()
 
         SensorData.NavTable.Heading = Heading