Index: trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c	(revision 40416)
+++ trunk/Ohana/src/opihi/cmd.astro/fitplx_irls.c	(revision 40418)
@@ -555,8 +555,9 @@
 
     double wx,wy;
+    double lim_Wx = outlier_limit * Sum_Wx / (1.0 * Npts);
+    double lim_Wy = outlier_limit * Sum_Wy / (1.0 * Npts);
     for (i = 0; i < Npts; i++) {
-      if ((Wx[i] > outlier_limit * Sum_Wx / (1.0 * Npts))||
-	  (Wy[i] > outlier_limit * Sum_Wy / (1.0 * Npts))) {
-	
+      int skip = (Wx[i] < lim_Wx) || (Wy[i] < lim_Wy);
+      if (!skip) {
 	Xf = fit[0].Ro + fit[0].uR*T[i] + fit[0].p*pR[i];
 	Yf = fit[0].Do + fit[0].uD*T[i] + fit[0].p*pD[i];