diff --git a/examples/pd120.jpg b/examples/pd120.jpg
new file mode 100644
index 0000000..79a4d3c
Binary files /dev/null and b/examples/pd120.jpg differ
diff --git a/sstv/spec.py b/sstv/spec.py
index 241c3dc..042a220 100644
--- a/sstv/spec.py
+++ b/sstv/spec.py
@@ -206,7 +206,7 @@ class PD120(object):
     SEP_PORCH = 0.001500
 
     CHAN_COUNT = 3
-    CHAN_SYNC = 2
+    CHAN_SYNC = 0
     CHAN_TIME = SEP_PULSE + SCAN_TIME
     HALF_CHAN_TIME = SEP_PULSE + HALF_SCAN_TIME