only send the standing still position once every interval

src/main/java/telraam/logic/positioner/nostradamus/Nostradamus.java

@@ -131,6 +131,7 @@ private void calculatePosition() {
                                     entry.getValue().getPosition().getProgress()
                             ))
                     );
+                    entry.getValue().setPreviousStationArrival(entry.getValue().getPreviousStationArrival() + MAX_NO_DATA_MS);
                 }
             }
 

src/main/java/telraam/logic/positioner/nostradamus/TeamData.java

@@ -1,6 +1,7 @@
 package telraam.logic.positioner.nostradamus;
 
 import lombok.Getter;
+import lombok.Setter;
 import telraam.database.models.Detection;
 import telraam.database.models.Station;
 import telraam.logic.positioner.Position;
@@ -13,7 +14,7 @@ public class TeamData {
     private final Map<Integer, StationData> stations;  // Station list
     private StationData currentStation; // Current station location
     private StationData previousStation; // Previous station location
-    @Getter
+    @Getter @Setter
     private long previousStationArrival; // Arrival time of previous station. Used to calculate the average times
     private final int totalDistance; // Total distance of the track
     private final float maxDeviance; // Maximum deviance the animation can have from the reality