diff --git a/C08.csv b/C08.csv
index 4fbf036..1476bc4 100644
--- a/C08.csv
+++ b/C08.csv
@@ -415,7 +415,7 @@ Code,Agency_en,Type_en,InstrumentShortName_en,InstrumentLongName_en,Status
 986,CMA,Conical scanning microwave imager,MWRI-2,Microwave radiation imager-2,Operational
 987,CMA,Conical scanning microwave imager,MWRI-RM,Microwave radiation imager-Rain Mission,Operational
 988,CMA,Conical scanning dual-frequency scatterometer,WindRAD,Wind Radar,Operational
-989,Reserved,,,,Operational
+989,CMA,GNSS occultation,TGNOS-M,Tianmu Global Navigation Satellite System Occultation Sounder,Operational
 990,NASA,Radiometer,SMMR,Scanning multichannel microwave radiometer,Operational
 991,NASA,Radiometer,THIR,Temperature-humidity infrared radiometer,Operational
 992,NASA,Radiometer,NEMS,"Nimbus-E Microwave Sounder",Operational
diff --git a/C11.csv b/C11.csv
index 8d5b2a5..37b4c17 100644
--- a/C11.csv
+++ b/C11.csv
@@ -205,7 +205,8 @@ CREX2,GRIB2_BUFR4,OriginatingGeneratingCentre_en,Status
 00202,202,Samoa (NMC),Operational
 00203,203,Solomon Islands (NMC),Operational
 00204,204,National Institute of Water and Atmospheric Research (NIWA - New Zealand),Operational
-00205-00209,205-209,Reserved for other centres,Operational
+00205,205,Tianmu,Operational
+00206-00209,206-209,Reserved for other centres,Operational
 00210,210,Frascati (ESA/ESRIN),Operational
 00211,211,Lannion,Operational
 00212,212,Lisboa,Operational
diff --git a/xml/C08.xml b/xml/C08.xml
index c842f83..401c58e 100644
--- a/xml/C08.xml
+++ b/xml/C08.xml
@@ -3330,10 +3330,10 @@
   </C08>
   <C08>
     <Code>989</Code>
-    <Agency_en>Reserved</Agency_en>
-    <Type_en/>
-    <InstrumentShortName_en/>
-    <InstrumentLongName_en/>
+    <Agency_en>CMA</Agency_en>
+    <Type_en>GNSS occultation</Type_en>
+    <InstrumentShortName_en>TGNOS-M</InstrumentShortName_en>
+    <InstrumentLongName_en>Tianmu Global Navigation Satellite System Occultation Sounder</InstrumentLongName_en>
     <Status>Operational</Status>
   </C08>
   <C08>
diff --git a/xml/C11.xml b/xml/C11.xml
index 65638bb..920f0ff 100644
--- a/xml/C11.xml
+++ b/xml/C11.xml
@@ -1237,8 +1237,14 @@
     <Status>Operational</Status>
   </C11>
   <C11>
-    <CREX2>00205-00209</CREX2>
-    <GRIB2_BUFR4>205-209</GRIB2_BUFR4>
+    <CREX2>00205</CREX2>
+    <GRIB2_BUFR4>205</GRIB2_BUFR4>
+    <OriginatingGeneratingCentre_en>Tianmu</OriginatingGeneratingCentre_en>
+    <Status>Operational</Status>
+  </C11>
+  <C11>
+    <CREX2>00206-00209</CREX2>
+    <GRIB2_BUFR4>206-209</GRIB2_BUFR4>
     <OriginatingGeneratingCentre_en>Reserved for other centres</OriginatingGeneratingCentre_en>
     <Status>Operational</Status>
   </C11>