Observation: Add functions

resolve/data/observation.py

@@ -717,6 +717,12 @@ class Observation(BaseObservation):
             return [f"{a} {b}" for a, b in zip(tab["NAME"], tab["STATION"])]
         raise NotImplementedError("ANTENNA subtable not available.")
 
+    def antenna_name2index(self, name):
+        raise NotImplementedError
+
+    def antenna_index2name(self, index):
+        raise NotImplementedError
+
     @property
     def antenna_coordinates(self):
         # FIXME Merge this into AntennaPositions