+ 16 => 15,
+ 17 => 15,
+ 19 => 15,
+ 21 => 15,
+);
+
+# list of nodes we don't accept dx from
+@nodx_node = (
+
+);
+
+# list of nodes we don't accept announces from
+@noann_node = (
+
+);
+
+# list of node we don't accept wwvs from
+@nowwv_node = (
+