diff --git a/NumericalData/AMDA/Indices/Ground_Based/ground-based-aei.xml b/NumericalData/AMDA/Indices/Ground_Based/ground-based-aei.xml
index 4915c19..dd0f1ee 100644
--- a/NumericalData/AMDA/Indices/Ground_Based/ground-based-aei.xml
+++ b/NumericalData/AMDA/Indices/Ground_Based/ground-based-aei.xml
@@ -5,15 +5,14 @@
       <ResourceID>spase://CDPP/NumericalData/AMDA/Indices/Ground_Based/ground-based-aei</ResourceID>
       <ResourceHeader>
          <ResourceName>auroral electrojet</ResourceName>
-         <ReleaseDate>2015-10-12T10:48:29Z</ReleaseDate>
+         <ReleaseDate>2018-06-21T10:48:29Z</ReleaseDate>
          <Description>  AE/AL/AU indices are taken from the WDC (World Data Center) at Kyoto.
             FINAL
             1975 (AE and AL only)
             1978 - Jun., 1988
-            Feb., March, 1989
-            1990 - 1995
-            PROVISIONAL: 1996 - Aug., 2013
-            Quick-Look : Sept., 2013 - Jan., 2014
+            March, 1989
+            1990 - Feb., 2018
+            PROVISIONAL: 1975 - 2018
          </Description>
          <Acknowledgement>            
          </Acknowledgement>
@@ -57,30 +56,36 @@
       <Caveats>
       </Caveats>    
     <Parameter>
-    <Name>ae/al/au</Name>
-    <ParameterKey>ae</ParameterKey>
-    <Description/>
-    <Ucd/>
-    <Units>nT</Units>
-       <UnitsConversion/> 
-       <Structure>
-          <Size>3</Size>
-          <Element>
-             <Name>ae</Name>
-             <Index>1</Index>
-             <ParameterKey>ae(0)</ParameterKey>
-          </Element>
-          <Element>
-             <Name>al</Name>
-             <Index>2</Index>
-             <ParameterKey>ae(1)</ParameterKey>
-          </Element> 
-          <Element>
-             <Name>au</Name>
-             <Index>3</Index>
-             <ParameterKey>ae(2)</ParameterKey>
-          </Element>  
-       </Structure>     
+    	<Name>AE</Name>
+    	<ParameterKey>ae</ParameterKey>
+	<Description>Auroral Electrojet (AE = AU - AL)</Description>
+    	<Ucd/>
+    	<Units>nT</Units>
+    	<UnitsConversion/> 
+   </Parameter>
+    <Parameter>
+    	<Name>AU</Name>
+    	<ParameterKey>au</ParameterKey>
+	<Description>Auroral Electrojet Upper envelope</Description>
+    	<Ucd/>
+    	<Units>nT</Units>
+    	<UnitsConversion/> 
+   </Parameter>
+    <Parameter>
+    	<Name>AL</Name>
+    	<ParameterKey>al</ParameterKey>
+	<Description>Auroral Electrojet Lower envelope</Description>
+    	<Ucd/>
+    	<Units>nT</Units>
+    	<UnitsConversion/> 
+   </Parameter>
+    <Parameter>
+    	<Name>AO</Name>
+    	<ParameterKey>ao</ParameterKey>
+	<Description>Auroral Electrojet (AO = (AU + AL) / 2)</Description>
+    	<Ucd/>
+    	<Units>nT</Units>
+    	<UnitsConversion/> 
    </Parameter>
  </NumericalData>
 </Spase>
--
libgit2 0.21.2