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python3 stratosat_simple.py input.kss

diff --git a/stratosat_simple.py b/stratosat_simple.py
index c45bd5d..9beb40b 100755
--- a/stratosat_simple.py
+++ b/stratosat_simple.py
@@ -55,15 +55,12 @@ def parse_frames(data):
     hr = False
     for row in data:
         if row[16:22].upper() == 'FFD8FF':
-            offset = int((row[12:14] + row[10:12]), 16)
+            offset = int((row[14:16]+ row[12:14] + row[10:12]), 16)
             hr = row[6:10].upper() == '2098'
             break
     for row in data:
         cmd = row[0:4]
-        if hr:
-            addr = int((row[14:16] + row[12:14] + row[10:12]), 16)
-        else:
-            addr = int((row[12:14] + row[10:12]), 16) - offset
+        addr = int((row[14:16] + row[12:14] + row[10:12]), 16) - offset
         dlen = (int(row[4:6], 16) + 2) * 2
         payload = row[16:dlen]
         if cmd == '0200' and addr >= 0: