allow to get_ehet for mass_position

sohstationviewer/model/reftek_data/reftek.py

@@ -253,9 +253,8 @@ class RT130(GeneralData):
         cur_key = (rt130._data[0]['unit_id'].decode(),
                    f"{rt130._data[0]['experiment_number']}")
         self.populate_cur_key_for_all_data(cur_key)
-        if data_stream != 9:
-            # don't get event info for mass position
-            self.get_ehet_in_log_data(rt130, cur_key)
+
+        self.get_ehet_in_log_data(rt130, cur_key)
         self.get_mass_pos_data_and_waveform_data(rt130, data_stream, cur_key)
 
     def get_ehet_in_log_data(self, rt130: core.Reftek130,