diff --git a/lib/+artoa/+controller/+edit/+timeOfArrival/plotSoundsourceToaFromGps.m b/lib/+artoa/+controller/+edit/+timeOfArrival/plotSoundsourceToaFromGps.m
index c02223a1ffad113f1a29cabea67e19e5dbc7c1e5..dd1bbfab6e8fc9eb9bd45a570726bb3b9631b56f 100644
--- a/lib/+artoa/+controller/+edit/+timeOfArrival/plotSoundsourceToaFromGps.m
+++ b/lib/+artoa/+controller/+edit/+timeOfArrival/plotSoundsourceToaFromGps.m
@@ -89,6 +89,10 @@ for o = 1:length(fnames)
     selection = (gpsDates > soundSourceEnd);
     gpsDates(selection) = NaN;
     predictedToas(selection) = NaN;
+    % remove gps dates before deployment of soundsource
+    selection = (gpsDates < soundSourceBegin);
+    gpsDates(selection) = NaN;
+    predictedToas(selection) = NaN;
     clear selection;
     
     artoaGui.editTimeOfArrival.scatterToaFromGps.(fnames{o}) = scatter( ...