diff --git a/geomagio/processing/factory.py b/geomagio/processing/factory.py
index d9a065497d9cf6b0a38c391355e11a9d698795d2..6e741d469110eedcf02993273ffb12ca02b01cc6 100644
--- a/geomagio/processing/factory.py
+++ b/geomagio/processing/factory.py
@@ -5,23 +5,18 @@ from ..edge import EdgeFactory, MiniSeedFactory
 
 
 def get_edge_factory(
-    data_type="variation", interval="second", **kwargs
+    data_type="variation",
+    host=os.getenv("EDGE_HOST", "127.0.0.1"),
+    interval="second",
+    **kwargs
 ) -> TimeseriesFactory:
-    return EdgeFactory(
-        host=os.getenv("EDGE_HOST", "127.0.0.1"),
-        interval=interval,
-        type=data_type,
-        **kwargs
-    )
+    return EdgeFactory(host=host, interval=interval, type=data_type, **kwargs)
 
 
 def get_miniseed_factory(
-    data_type="variation", interval="second", **kwargs
+    data_type="variation",
+    host=os.getenv("EDGE_HOST", "127.0.0.1"),
+    interval="second",
+    **kwargs
 ) -> TimeseriesFactory:
-    return MiniSeedFactory(
-        convert_channels=("U", "V", "W"),
-        host=os.getenv("EDGE_HOST", "127.0.0.1"),
-        interval=interval,
-        type=data_type,
-        **kwargs
-    )
+    return MiniSeedFactory(host=host, interval=interval, type=data_type, **kwargs)
diff --git a/geomagio/processing/obsrio.py b/geomagio/processing/obsrio.py
index bf0acf2b81687c6a3f590e6b4cd8b902f4730aa3..880a77beceff1898ccdef3bb00940af14ef58e32 100644
--- a/geomagio/processing/obsrio.py
+++ b/geomagio/processing/obsrio.py
@@ -314,7 +314,8 @@ def obsrio_tenhertz(
     """Filter 10Hz miniseed U,V,W to 1Hz legacy H,E,Z."""
     starttime, endtime = get_realtime_interval(realtime_interval)
     controller = Controller(
-        inputFactory=input_factory or get_miniseed_factory(),
+        inputFactory=input_factory
+        or get_miniseed_factory(convert_channels=("U", "V", "W")),
         inputInterval="tenhertz",
         outputFactory=output_factory or get_edge_factory(),
         outputInterval="second",