diff --git a/simpegEM/FDEM/__inti__.py b/simpegEM/FDEM/__init__.py
similarity index 100%
rename from simpegEM/FDEM/__inti__.py
rename to simpegEM/FDEM/__init__.py
diff --git a/simpegEM/TDEM/BaseTDEM.py b/simpegEM/TDEM/BaseTDEM.py
new file mode 100644
index 00000000..3ea68aa2
--- /dev/null
+++ b/simpegEM/TDEM/BaseTDEM.py
@@ -0,0 +1,18 @@
+from SimPEG import Utils
+from SimPEG.Data import BaseData
+
+
+class DataTDEM1D(BaseData):
+    """
+        docstring for DataTDEM1D
+    """
+
+    txLoc = None #: txLoc
+    txType = None #: txType
+    rxLoc = None #: rxLoc
+    rxType = None #: rxType
+    timeCh = None #: timeCh
+
+    def __init__(self, **kwargs):
+        BaseData.__init__(self, **kwargs)
+        Utils.setKwargs(self, **kwargs)
diff --git a/simpegEM/TDEM/__init__.py b/simpegEM/TDEM/__init__.py
new file mode 100644
index 00000000..af6842f5
--- /dev/null
+++ b/simpegEM/TDEM/__init__.py
@@ -0,0 +1 @@
+from BaseTDEM import DataTDEM1D
\ No newline at end of file
diff --git a/simpegEM/TDEM/__inti__.py b/simpegEM/TDEM/__inti__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/simpegEM/__init__.py b/simpegEM/__init__.py
index e6a34bd5..4dbea793 100644
--- a/simpegEM/__init__.py
+++ b/simpegEM/__init__.py
@@ -1,2 +1,3 @@
 # from EM import *
-import Utils
\ No newline at end of file
+import Utils
+import TDEM
\ No newline at end of file