diff --git a/Instrument/AMDA/MESSENGER/Magnetometer.xml b/Instrument/AMDA/MESSENGER/Magnetometer.xml
index e095155..993b0e1 100644
--- a/Instrument/AMDA/MESSENGER/Magnetometer.xml
+++ b/Instrument/AMDA/MESSENGER/Magnetometer.xml
@@ -5,7 +5,7 @@
     <ResourceID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</ResourceID>
     <ResourceHeader>
       <ResourceName>MAG</ResourceName>
-      <ReleaseDate>2012-01-18T00:00:00Z</ReleaseDate>
+      <ReleaseDate>2016-10-18T00:00:00Z</ReleaseDate>
       <Description>The magnetometer (MAG) on MESSENGER is a three-axis 
 ring core fluxgate magnetometer mounted on a 3.6 m boom in the anti-
 sunward direction.  The detector sampling rate is 40 Hz and readout 
@@ -26,7 +26,18 @@ selectable bandpassed channels of magnetic field variation.</Description>
       </InformationURL>
     </ResourceHeader>
     <InstrumentType>Magnetometer</InstrumentType>
-    <InvestigationName>Magnetometer</InvestigationName>
+    <InvestigationName></InvestigationName>
+     <OperatingSpan>
+      <StartDate>2005-08-02T00:00:00Z</StartDate>
+      <StopDate>2015-04-30T00:00:00Z</StopDate>
+      <Note>Earth flyby 2005-08-02</Note>
+      <Note> 1st Venus flyby : 2006-10-25 </Note>
+      <Note> 2nd Venus flyby : 2007-06-05</Note>
+      <Note> 1st Mercury flyby : 2008-01-14 </Note>
+      <Note> 2nd Mercury flyby : 2008-10-06 </Note>
+      <Note> 3rd Mercury flyby : 2009-09-29 </Note>
+      <Note> Mercury arrival : 2011-03-18</Note>
+    </OperatingSpan> 
     <ObservatoryID>spase://CDPP/Observatory/AMDA/MESSENGER</ObservatoryID>
   </Instrument>
 </Spase>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere01.xml b/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere01.xml
index 7afae44..39731cf 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere01.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere01.xml
@@ -5,11 +5,12 @@
         <ResourceID>spase://CDPP/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere01</ResourceID>
         <ResourceHeader>
             <ResourceName>1 sec</ResourceName>
-            <ReleaseDate>2015-10-16T15:10:29Z</ReleaseDate>
-            <Description/>
+            <AlternateName>Magnetic Field : cruise : 1 sec average</AlternateName>
+            <ReleaseDate>2016-10-16T15:10:29Z</ReleaseDate>
+            <Description>MESSENGER magnetometer data during cruise</Description>
             <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact>
             <Association>
                 <AssociationID>mes-mag-cruise</AssociationID>
@@ -27,6 +28,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-4-SUMM-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere60.xml b/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere60.xml
index fb2ab11..b779ff5 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere60.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere60.xml
@@ -5,11 +5,12 @@
         <ResourceID>spase://CDPP/NumericalData/AMDA/MESSENGER/MAG/Heliosphere/mes-mag-heliosphere60</ResourceID>
         <ResourceHeader>
             <ResourceName>1 min</ResourceName>
-            <ReleaseDate>2015-10-16T15:10:29Z</ReleaseDate>
-            <Description/>
+            <AlternateName>Magnetic Field : cruise : 1 min average</AlternateName>
+            <ReleaseDate>2016-10-16T15:10:29Z</ReleaseDate>
+            <Description>MESSENGER magnetometer data during cruise</Description>
             <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact> 
             <Association>
                 <AssociationID>mes-mag-cruise</AssociationID>
@@ -27,6 +28,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-4-SUMM-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orb01.xml b/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orb01.xml
index 31e3eec..086e22d 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orb01.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orb01.xml
@@ -5,11 +5,12 @@
         <ResourceID>spase://CDPP/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orb01</ResourceID>
         <ResourceHeader>
             <ResourceName>1 sec</ResourceName>
-            <ReleaseDate>2015-10-16T15:10:29Z</ReleaseDate>
+            <AlternateName>Magnetic Field : Mercury orbit: 1 sec average</AlternateName>
+            <ReleaseDate>2016-10-16T15:10:29Z</ReleaseDate>
             <Description/>
-            <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+              <Contact>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact>
             <Association>
                 <AssociationID>mes-mag-orb</AssociationID>
@@ -27,6 +28,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-4-SUMM-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbit60.xml b/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbit60.xml
index 0e1ac2b..dae2516 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbit60.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbit60.xml
@@ -5,12 +5,13 @@
         <ResourceID>spase://CDPP/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbit60</ResourceID>
         <ResourceHeader>
             <ResourceName>1 min</ResourceName>
-            <ReleaseDate>2015-10-16T15:10:29Z</ReleaseDate>
+            <AlternateName>Magnetic Field : Mercury orbit: 1 min average</AlternateName>
+            <ReleaseDate>2016-10-16T15:10:29Z</ReleaseDate>
             <Description/>
             <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
-            </Contact>  
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
+            </Contact>
             <Association>
                 <AssociationID>mes-mag-orb</AssociationID>
                 <AssociationType>PartOf</AssociationType>
@@ -27,6 +28,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-4-SUMM-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbitHR.xml b/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbitHR.xml
index d8f1474..19fe11e 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbitHR.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/Mercury_Orbit/mes-mag-orbitHR.xml
@@ -6,10 +6,10 @@
         <ResourceHeader>
             <ResourceName>0.05 sec</ResourceName>
             <ReleaseDate>2015-10-16T15:10:29Z</ReleaseDate>
-            <Description/>
+            <Description>MESSENGER magnetometer high resolution data during Mercury orbit</Description>
             <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact>
               <Association>
                 <AssociationID>mes-mag-orb</AssociationID>
@@ -27,6 +27,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-3-CDR-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby1.xml b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby1.xml
index b995014..fa80283 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby1.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby1.xml
@@ -6,10 +6,10 @@
         <ResourceHeader>
             <ResourceName>flyby mercury 1</ResourceName>
             <ReleaseDate>2015-10-16T15:08:29Z</ReleaseDate>
-            <Description>MESSENGER magnetometer data during first Mercury flyby</Description>
-            <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+            <Description>MESSENGER magnetometer high resolution data during first Mercury flyby</Description>
+             <Contact>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact>
         </ResourceHeader>
         <AccessInformation>
@@ -22,6 +22,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-3-CDR-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby2.xml b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby2.xml
index c79f715..5767856 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby2.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby2.xml
@@ -5,11 +5,11 @@
         <ResourceID>spase://CDPP/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby2</ResourceID>
         <ResourceHeader>
             <ResourceName>flyby mercury 2</ResourceName>
-            <ReleaseDate>2015-10-16T15:08:29Z</ReleaseDate>
-            <Description>MESSENGER magnetometer data during second Mercury flyby</Description>
-            <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+            <ReleaseDate>2016-10-16T15:08:29Z</ReleaseDate>
+            <Description>MESSENGER magnetometer high resolution data during second Mercury flyby</Description>
+             <Contact>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact>
         </ResourceHeader>
         <AccessInformation>
@@ -22,6 +22,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-3-CDR-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby3.xml b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby3.xml
index f068508..0b9f44a 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby3.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-flyby3.xml
@@ -6,10 +6,10 @@
         <ResourceHeader>
             <ResourceName>flyby mercury 3</ResourceName>
             <ReleaseDate>2015-10-16T15:08:29Z</ReleaseDate>
-            <Description>MESSENGER magnetometer data during third Mercury flyby</Description>
-            <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+            <Description>MESSENGER magnetometer data high resolution during third Mercury flyby</Description>
+             <Contact>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact>
         </ResourceHeader>
         <AccessInformation>
@@ -22,6 +22,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-3-CDR-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
diff --git a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-venus.xml b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-venus.xml
index 864aa8f..d8e70c6 100644
--- a/NumericalData/AMDA/MESSENGER/MAG/mes-mag-venus.xml
+++ b/NumericalData/AMDA/MESSENGER/MAG/mes-mag-venus.xml
@@ -6,10 +6,10 @@
         <ResourceHeader>
             <ResourceName>flyby venus 2</ResourceName>
             <ReleaseDate>2015-10-16T14:58:29Z</ReleaseDate>
-            <Description>MESSENGER magnetometer data during Venus flyby</Description>
+            <Description>MESSENGER magnetometer high resolution data during Venus flyby</Description>
             <Contact>
-                <PersonID>spase://SMWG/Person/Elena.Budnik</PersonID>
-                <Role>TechnicalContact</Role>
+                <PersonID>spase://SMWG/Person/Brian.J.Anderson</PersonID>
+                <Role>PrincipalInvestigator</Role>
             </Contact>
         </ResourceHeader>
         <AccessInformation>
@@ -22,6 +22,7 @@
             <Format>NetCDF</Format>
         </AccessInformation>
         <ProviderName>PDS</ProviderName>
+        <ProviderResourceName>MESS-E_V_H_SW-MAG-3-CDR-CALIBRATED-V1.0</ProviderResourceName>
         <InstrumentID>spase://CDPP/Instrument/AMDA/MESSENGER/Magnetometer</InstrumentID>
         <MeasurementType>MagneticField</MeasurementType>
         <TemporalDescription>
--
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