diff --git a/Instrument/AMDA/MGS/ER.xml b/Instrument/AMDA/MGS/ER.xml
index 76962c9..fcfbaf3 100644
--- a/Instrument/AMDA/MGS/ER.xml
+++ b/Instrument/AMDA/MGS/ER.xml
@@ -5,7 +5,7 @@
     <ResourceID>spase://CDPP/Instrument/AMDA/MGS/ER</ResourceID>
     <ResourceHeader>
       <ResourceName>ER</ResourceName>
-      <AlternateName> </AlternateName>
+      <AlternateName>Electron Reflectometer</AlternateName>
       <ReleaseDate>2009-05-20T21:10:13Z</ReleaseDate>
       <Description>A </Description>
       <Contact>      
diff --git a/Instrument/AMDA/MGS/MAG.xml b/Instrument/AMDA/MGS/MAG.xml
new file mode 100644
index 0000000..3bf885d
--- /dev/null
+++ b/Instrument/AMDA/MGS/MAG.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Spase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.spase-group.org/data/schema" xsi:schemaLocation="http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_2_6.xsd">
+  <Version>2.2.6</Version>
+  <Instrument>
+    <ResourceID>spase://CDPP/Instrument/AMDA/MGS/MAG</ResourceID>
+    <ResourceHeader>
+      <ResourceName>MAG</ResourceName>
+      <AlternateName> </AlternateName>
+      <ReleaseDate>2009-05-20T21:10:13Z</ReleaseDate>
+      <Description> </Description>
+      <Contact>      
+        <PersonID></PersonID>
+        <Role>MetadataContact</Role>
+      </Contact>
+    </ResourceHeader>
+    <InstrumentType>Magnetometer</InstrumentType>
+    <InvestigationName></InvestigationName>
+    <ObservatoryID>spase://CDPP/Observatory/AMDA/MGS</ObservatoryID>
+  </Instrument>
+</Spase>
diff --git a/NumericalData/AMDA/MGS/MAG/mgs-mag-mso.xml b/NumericalData/AMDA/MGS/MAG/mgs-mag-mso.xml
index a4fbd44..4d6faf4 100644
--- a/NumericalData/AMDA/MGS/MAG/mgs-mag-mso.xml
+++ b/NumericalData/AMDA/MGS/MAG/mgs-mag-mso.xml
@@ -2,7 +2,7 @@
 <Spase xmlns="http://www.spase-group.org/data/schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.spase-group.org/data/schema http://cdpp1.cesr.fr/AMDA-NG/public/schemas/spase-amda-1_2_0.xsd">
   <Version>2.2.6</Version>
   <NumericalData>
-    <ResourceID>spase://VHO/NumericalData/MGS/ER/mgs-mag-mso</ResourceID>
+    <ResourceID>spase://VHO/NumericalData/MGS/MAG/mgs-mag-mso</ResourceID>
     <ResourceHeader>
       <ResourceName>mag_full</ResourceName>
       <ReleaseDate>2015-10-15T15:39:00Z</ReleaseDate>
@@ -22,7 +22,7 @@
       <Format>NetCDF</Format>
     </AccessInformation>
     <ProviderName>PDS:PPI/FULLWORD-RES-MAG-V1.0</ProviderName>
-    <InstrumentID>spase://CDPP/Instrument/AMDA/MGS/ER</InstrumentID>
+    <InstrumentID>spase://CDPP/Instrument/AMDA/MGS/MAG</InstrumentID>
     <MeasurementType>MagneticField</MeasurementType>
     <TemporalDescription>
       <TimeSpan>
@@ -44,17 +44,17 @@
       <Structure>
         <Size>3</Size>
         <Element>
-          <Name>bx_mso</Name>
+          <Name>bx</Name>
           <Index>1</Index>
           <ParameterKey>b_mgs_mso(0)</ParameterKey>
         </Element>
         <Element>
-          <Name>by_mso</Name>
+          <Name>by</Name>
           <Index>2</Index>
           <ParameterKey>b_mgs_mso(1)</ParameterKey>
         </Element>
         <Element>
-          <Name>bz_mso</Name>
+          <Name>bz</Name>
           <Index>3</Index>
           <ParameterKey>b_mgs_mso(2)</ParameterKey>
         </Element>
@@ -65,7 +65,7 @@
       </Field>
     </Parameter>
     <Parameter>
-      <Name>b_tot</Name>
+      <Name>|b|</Name>
       <ParameterKey>b_mgs_tot</ParameterKey>
       <Ucd>phys.magField</Ucd>
       <Units>nT</Units>
@@ -78,9 +78,9 @@
       </Field>
     </Parameter>
     <Parameter>
-      <Name>b_areographic</Name>
+      <Name>b_iau_mars</Name>
       <ParameterKey>b_mgs_pc</ParameterKey>
-      <Description>Magnetic field vector components in areographic coordinates</Description>
+      <Description>Magnetic field vector components in planetocentic coordinates</Description>
       <Ucd>phys.magField</Ucd>
       <Units>nT</Units>
       <RenderingHints>
@@ -89,17 +89,17 @@
       <Structure>
         <Size>3</Size>
         <Element>
-          <Name>bx_pc</Name>
+          <Name>bx</Name>
           <Index>1</Index>
           <ParameterKey>b_mgs_pc(0)</ParameterKey>
         </Element>
         <Element>
-          <Name>by_pc</Name>
+          <Name>by</Name>
           <Index>2</Index>
           <ParameterKey>b_mgs_pc(1)</ParameterKey>
         </Element>
         <Element>
-          <Name>bz_pc</Name>
+          <Name>bz</Name>
           <Index>3</Index>
           <ParameterKey>b_mgs_pc(2)</ParameterKey>
         </Element>
--
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