--- /dev/null
+#
+# This is an example filter for the 'isolated' node k1xx
+#
+# I give him any spots that have a spotter or a spotted in the
+# US. In other filters on the UK side I do the opposite see
+# GB7DJK.pl.issue
+#
+# The element list is:-
+# 0 = frequency
+# 1 = call
+# 2 = date in unix format
+# 3 = comment
+# 4 = spotter
+# 5 = spotted dxcc country
+# 6 = spotter's dxcc country
+# 7 = origin
+# 8 = spotted itu
+# 9 = spotted cq
+# 10 = spotter's itu
+# 11 = spotter's cq
+#
+
+$in = [
+ [ 1, 5, 'n', [ 226 ] ], # dxcc country 226 is the US
+ [ 1, 6, 'a', [ 226 ] ],
+ [ 0, 0, 'd' ], # default action (don't forward)
+];