Merge pull request #121 from Flyer350/patch-9

Update bds20.py
2022-04-18 11:28:15 +02:00 · 2022-04-18 11:28:15 +02:00 · e7edba9e25
commit e7edba9e25
parent 00f04a8886 ce5adbafe5
1 changed files with 4 additions and 2 deletions
--- a/pyModeS/decoder/bds/bds20.py
+++ b/pyModeS/decoder/bds/bds20.py
@ -24,9 +24,11 @@ def is20(msg):
    if d[0:8] != "00100000":
        return False

-    cs = cs20(msg)
+    # allow empty callsign
+    if common.bin2int(d[8:56]) == 0
+        return True

-    if "#" in cs:
+    if "#" in cs20(msg):
        return False

    return True