Index: trunk/Ohana/src/opihi/cmd.data/tvgrid.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/tvgrid.c	(revision 3693)
+++ trunk/Ohana/src/opihi/cmd.data/tvgrid.c	(revision 4689)
@@ -9,5 +9,5 @@
   double x0, y0, x1, y1;
   double dDEC, fDEC, dRA, fRA;
-  char buffer[1024], format[16];
+  char format[16];
   Coords coords;
   int Ximage, Nimage, N;
@@ -83,4 +83,5 @@
   NY = buf[0].header.Naxis[1];
 
+  x0 = y0 = 0;
   dRA = MAX (fabs(ra1 - ra0) / 100.0, 0.1);
   connect = FALSE;