diff --git a/rfplot.c b/rfplot.c
index 527597a..ced13a0 100644
--- a/rfplot.c
+++ b/rfplot.c
@@ -3,7 +3,7 @@
 #include <stdlib.h>
 #include <math.h>
 #include <ctype.h>
-#include <cpgplot.h>
+#include <giza.h>
 #include <getopt.h>
 #include "rftime.h"
 #include "rfio.h"
@@ -196,7 +196,11 @@ int main(int argc,char *argv[])
   t=compute_trace(tlefile,s.mjd,s.nsub,site_id,s.freq*1e-6,s.samp_rate*1e-6,&nsat,graves,freqlist);
   printf("Traces for %d objects for location %d\n",nsat,site_id);
 
-  cpgopen("/xs");
+  giza_open_device_size_float ("/xs", "strf", 1024, 768, 3);
+  giza_set_colour_representation_float (0, 0.0, 0.0, 0.0);
+  giza_draw_background ();
+  giza_set_line_width_float (1);
+
   giza_set_character_height_float(0.8);
   //  cpgpap(12.5,0.55);
   cpgask(0);
@@ -775,6 +779,7 @@ int main(int argc,char *argv[])
     y0=y;
   }
 
+  giza_stop_prompting();
   giza_close_device();
 
   // Free