diff --git a/pylot/core/util/defaults.py b/pylot/core/util/defaults.py
new file mode 100644
index 00000000..b9642d4a
--- /dev/null
+++ b/pylot/core/util/defaults.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Created on Wed Feb 26 12:31:25 2014
+
+@author: sebastianw
+"""
+
+FILTERDEFAULTS = {'P': {'filtertype': None,
+                        'order': None,
+                        'freq': None},
+                  'S': {'filtertype': 'bandpass',
+                        'order': '4',
+                        'freq': [.5, 5]}}