work on altitude code

2017-07-24 17:06:20 +02:00 · 2017-07-24 17:06:20 +02:00 · 5f7e28950c
commit 5f7e28950c
parent c1d0a925d5
1 changed files with 2 additions and 2 deletions
--- a/pyModeS/modes_common.py
+++ b/pyModeS/modes_common.py
@ -102,11 +102,11 @@ def altcode(msg):
            D4 = mbin[31]

            # standard greycode
-            gc5 = C2 + C1 + B4 + B2 + B1 + A4 + A2 + A1
+            gc5 = D2 + D4 + A1 + A2 + A4 + B1 + B2 + B4
            N5 = int(util.gray2bin(gc5, 8), 2)

            # in 100-ft step must be converted
-            gc1 = D4 + D2 + D1
+            gc1 = C1 + C2 + C4
            N1 = int(util.gray2bin(gc1, 3), 2) - 1

            if N1 == 6: