new chans get equipment from siblings

nexus/obspyImproved.py

@@ -628,6 +628,14 @@ class InventoryIm(Inventory):
             depth=0, sample_rate=sr, azimuth=azimuth, dip=dip_chan)
         inv_chan.start_date = station.start_date
         inv_chan.end_date = station.end_date
+        try:
+            inv_chan.sensor = station.channels[0].sensor
+        except:
+            inv_chan.sensor = Equipment()
+        try:
+            inv_chan.data_logger = station.channels[0].data_logger
+        except:
+            inv_chan.sensor = Equipment()
         station.channels.append(inv_chan)
         inv_chan._new = True
         return inv_chan