diff --git a/src/defconstant.jl b/src/defconstant.jl
index dfc902f..98b9955 100644
--- a/src/defconstant.jl
+++ b/src/defconstant.jl
@@ -8,23 +8,23 @@ const A̅ = A₀/(1+n) *m₀*a
 
 
 ## longitude, latitude of origin for zones in Japan
-Origin_LatLon_Japan = [ 33.0  129.5    ; # 1
-                        33.0  131.0    ; # 2
-                        36.0  132.0+1/6; # 3
-                        33.0  133.5    ; # 4
-                        36.0  134.0+1/3; # 5
-                        36.0  136.0    ; # 6
-                        36.0  137.0+1/6; # 7
-                        36.0  138.5    ; # 8
-                        36.0  139.0+5/6; # 9
-                        40.0  140.0+5/6; # 10
-                        44.0  140.25   ; # 11
-                        44.0  142.25   ; # 12
-                        44.0  144.25   ; # 13
-                        26.0  142.0    ; # 14
-                        26.0  127.5    ; # 15
-                        26.0  124.0    ; # 16
-                        26.0  131.0    ; # 17
-                        20.0  136.0    ; # 18
-                        26.0  154.0    ; # 19
-                       ]
+const Origin_LatLon_Japan = [ 33.0  129.5    ; # 1
+                              33.0  131.0    ; # 2
+                              36.0  132.0+1/6; # 3
+                              33.0  133.5    ; # 4
+                              36.0  134.0+1/3; # 5
+                              36.0  136.0    ; # 6
+                              36.0  137.0+1/6; # 7
+                              36.0  138.5    ; # 8
+                              36.0  139.0+5/6; # 9
+                              40.0  140.0+5/6; # 10
+                              44.0  140.25   ; # 11
+                              44.0  142.25   ; # 12
+                              44.0  144.25   ; # 13
+                              26.0  142.0    ; # 14
+                              26.0  127.5    ; # 15
+                              26.0  124.0    ; # 16
+                              26.0  131.0    ; # 17
+                              20.0  136.0    ; # 18
+                              26.0  154.0    ; # 19
+                             ]