diff --git a/geomagio/iaga2002/IAGA2002Factory.py b/geomagio/iaga2002/IAGA2002Factory.py
index 37ce68313262ae1415a3892eb8ab451f10b06750..36f4793858b2c3bbfa09675ab9c19e7024d75cca 100644
--- a/geomagio/iaga2002/IAGA2002Factory.py
+++ b/geomagio/iaga2002/IAGA2002Factory.py
@@ -4,7 +4,6 @@ import obspy.core
 from .. import ChannelConverter
 from ..TimeseriesFactory import TimeseriesFactory
 from ..TimeseriesFactoryException import TimeseriesFactoryException
-from ..Util import read_url
 from IAGA2002Parser import IAGA2002Parser
 from IAGA2002Writer import IAGA2002Writer
 
@@ -33,10 +32,8 @@ class IAGA2002Factory(TimeseriesFactory):
     IAGA2002Parser
     """
 
-    def __init__(self, urlTemplate=None, observatory=None, channels=None,
-            type=None, interval=None):
-        TimeseriesFactory.__init__(self, observatory, channels, type,
-                interval, urlTemplate)
+    def __init__(self, **kwargs):
+        TimeseriesFactory.__init__(self, **kwargs)
 
     def get_timeseries(self, starttime, endtime, observatory=None,
             channels=None, type=None, interval=None):
@@ -66,21 +63,13 @@ class IAGA2002Factory(TimeseriesFactory):
             if invalid values are requested, or errors occur while
             retrieving timeseries.
         """
-        observatory = observatory or self.observatory
-        channels = channels or self.channels
-        type = type or self.type
-        interval = interval or self.interval
-        days = self._get_days(starttime, endtime)
-        timeseries = obspy.core.Stream()
-        for day in days:
-            url_id = self._get_url(observatory, day, type, interval)
-            iagaFile = read_url(url_id)
-            timeseries += self.parse_string(iagaFile)
-        # merge channel traces for multiple days
-        timeseries.merge()
-        # trim to requested start/end time
-        timeseries.trim(starttime, endtime)
-        return timeseries
+        return self._get_timeseries(
+                starttime=starttime,
+                endtime=endtime,
+                observatory=observatory,
+                channels=channels,
+                type=type,
+                interval=interval)
 
     def parse_string(self, iaga2002String):
         """Parse the contents of a string in the format of an IAGA2002 file.
diff --git a/geomagio/iaga2002/StreamIAGA2002Factory.py b/geomagio/iaga2002/StreamIAGA2002Factory.py
index a3599703fc6476e14e5b97565896f7c8f43bf7ca..83ab08a377da1b823e5d099b0c78a76383798dab 100644
--- a/geomagio/iaga2002/StreamIAGA2002Factory.py
+++ b/geomagio/iaga2002/StreamIAGA2002Factory.py
@@ -17,10 +17,8 @@ class StreamIAGA2002Factory(IAGA2002Factory):
     IAGA2002Factory
     Timeseriesfactory
     """
-    def __init__(self, stream, observatory=None, channels=None,
-            type=None, interval=None):
-        IAGA2002Factory.__init__(self, None, observatory, channels,
-            type, interval)
+    def __init__(self, stream, **kwargs):
+        IAGA2002Factory.__init__(self, **kwargs)
         self._stream = stream
 
     def get_timeseries(self, starttime, endtime, observatory=None,
diff --git a/test/iaga2002_test/IAGA2002Factory_test.py b/test/iaga2002_test/IAGA2002Factory_test.py
index 3d835edc6c5eb12c6e7a393a306770d48eb7ec23..388ef687094ff7d63b6bec44c5105cc3bf0eb3ad 100644
--- a/test/iaga2002_test/IAGA2002Factory_test.py
+++ b/test/iaga2002_test/IAGA2002Factory_test.py
@@ -14,11 +14,11 @@ def test__get_days():
     """
     starttime = UTCDateTime('2014-01-01')
     endtime = UTCDateTime('2014-01-07')
-    assert_equals(IAGA2002Factory('')._get_days(starttime, endtime), [
-                UTCDateTime('2014-01-01'),
-                UTCDateTime('2014-01-02'),
-                UTCDateTime('2014-01-03'),
-                UTCDateTime('2014-01-04'),
-                UTCDateTime('2014-01-05'),
-                UTCDateTime('2014-01-06'),
-                UTCDateTime('2014-01-07')])
+    assert_equals(IAGA2002Factory()._get_days(starttime, endtime), [
+            UTCDateTime('2014-01-01'),
+            UTCDateTime('2014-01-02'),
+            UTCDateTime('2014-01-03'),
+            UTCDateTime('2014-01-04'),
+            UTCDateTime('2014-01-05'),
+            UTCDateTime('2014-01-06'),
+            UTCDateTime('2014-01-07')])