diff -uNr GMT3.4.2.orig/src/gmt.h GMT3.4.2/src/gmt.h
--- GMT3.4.2.orig/src/gmt.h	Sat Aug 31 03:31:59 2002
+++ GMT3.4.2/src/gmt.h	Tue Oct 15 15:53:58 2002
@@ -186,7 +186,7 @@
 
 /* This structure contains default parameters for the GMT system */
 
-#define N_ELLIPSOIDS 14
+#define N_ELLIPSOIDS 15
 
 #define GMT_PEN_LEN	128
 #define GMT_PENWIDTH	0.25	/* Default pen width in points */
diff -uNr GMT3.4.2.orig/src/gmt_defaults.h GMT3.4.2/src/gmt_defaults.h
--- GMT3.4.2.orig/src/gmt_defaults.h	Wed May 23 11:25:41 2001
+++ GMT3.4.2/src/gmt_defaults.h	Tue Oct 15 15:53:58 2002
@@ -78,5 +78,6 @@
 		{ "Airy", 1830, 6377563.4, 6356256.9, 1.0/299.32 },
 		{ "Bessel", 1841, 6377397.2, 6356079.0, 1.0/299.15 },
 		{ "Everest-1830", 1830, 6377276.3, 6356075.4, 1.0/300.80 },
-		{ "Sphere", 1980, 6371008.7714, 6371008.7714, 0.0 }
+		{ "Sphere", 1980, 6371008.7714, 6371008.7714, 0.0 },
+		{ "Hughes-1980", 1980, 6378273., 6356889.449, 1.0/298.2794 }
 	}