diff --git a/geomagio/TimeseriesUtility.py b/geomagio/TimeseriesUtility.py
index 7a316ae2432972d3794189b3519f4f4226bbb2b8..046c10d3fc58f17c8cd5ebb351a7adcf4d6bff07 100644
--- a/geomagio/TimeseriesUtility.py
+++ b/geomagio/TimeseriesUtility.py
@@ -35,13 +35,15 @@ def create_empty_trace(starttime, endtime, observatory,
     obspy.core.Trace
         trace for the requested channel
     """
-    if interval == 'second':
+    if interval == 'tenhertz':
+        delta = 0.1
+    elif interval == 'second':
         delta = 1.
     elif interval == 'minute':
         delta = 60.
-    elif interval == 'hourly':
+    elif interval == 'hour':
         delta = 3600.
-    elif interval == 'daily':
+    elif interval == 'day':
         delta = 86400.
     stats = obspy.core.Stats()
     stats.network = network
diff --git a/geomagio/edge/MiniSeedFactory.py b/geomagio/edge/MiniSeedFactory.py
index e9e4367af151e0a82248ca862bffe7e66794c0bb..a6ce76c986c5c6fe6937000f64f193e8658c2593 100644
--- a/geomagio/edge/MiniSeedFactory.py
+++ b/geomagio/edge/MiniSeedFactory.py
@@ -387,7 +387,7 @@ class MiniSeedFactory(TimeseriesFactory):
                 location_suffix = 'Q'
             elif suffix == 'SV':
                 location_suffix = 'V'
-            else:
+            elif suffix not in ('Bin', 'Volt'):
                 raise TimeseriesFactoryException(
                         'bad channel suffix "%s", wanted "Dist", "SQ", or "SV"'
                         % suffix)