Added Australian hexid->registration conversion

adsb-related-code · Feb 3, 2017 · 9d346f9 · 9d346f9
1 parent ccd8fd5
commit 9d346f9
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/public_html/registrations.js b/public_html/registrations.js
@@ -120,6 +120,10 @@ registration_from_hexid = (function () {
                 if (reg)
                         return reg;
 
+                reg = vh_reg(hexid);
+                if (reg)
+                        return reg;
+
                 reg = numeric_reg(hexid);
                 if (reg)
                         return reg;
@@ -306,6 +310,25 @@ registration_from_hexid = (function () {
                 return reg + limited_alphabet.charAt(letter3) + limited_alphabet.charAt(offset % 24);
         }
 
+        // Australia
+        function vh_reg(hexid) {
+            var offset = hexid - 0x7C0000;
+            if (offset < 0 || offset > 33325)
+                return null;
+
+            var reg = "VH-";
+
+            reg += full_alphabet.charAt(Math.floor(offset / 1296));
+            offset = offset % 1296;
+
+            reg += full_alphabet.charAt(Math.floor(offset / 36));
+            offset = offset % 36;
+
+            reg += full_alphabet.charAt(offset);
+
+            return reg;
+        }
+
         return lookup;
 })();