Add logging info of what channel is being refined

locklost/plugins/refine.py

@@ -59,6 +59,7 @@ def refine_channel(event, params, window, refined_gps=None, threshold=None):
     channels = [
         params['CHANNEL'],
     ]
+    logging.info("refining time using channel: {}".format(channels))
     window = config.REFINE_WINDOW
     segment = Segment(*window).shift(gps)
     buf = data.fetch(channels, segment)[0]