diff --git a/definitions/bufr/rdb_key.def b/definitions/bufr/rdb_key.def
index 915fa96f5..e5eeaddd4 100644
--- a/definitions/bufr/rdb_key.def
+++ b/definitions/bufr/rdb_key.def
@@ -11,18 +11,22 @@ meta localMinute bits(keyData,27,6) : dump,long_type,no_copy;
 meta localSecond bits(keyData,33,6) : dump,long_type,no_copy;
 meta spare  bits(keyData,39,1) : no_copy; # 40 bits = 5 bytes
 
-alias mars.localYear=localYear;
-alias mars.localMonth=localMonth;
-alias mars.localDay=localDay;
-alias mars.localHour=localHour;
-alias mars.localMinute=localMinute;
-alias mars.localSecond=localSecond;
+alias rdb.localYear=localYear;
+alias rdb.localMonth=localMonth;
+alias rdb.localDay=localDay;
+alias rdb.localHour=localHour;
+alias rdb.localMinute=localMinute;
+alias rdb.localSecond=localSecond;
 
+meta localDate sprintf("%.4d%.2d%.2d",localYear,localMonth,localDay) : no_copy,read_only;
+meta localTime sprintf("%.2d%.2d",localHour,localMinute) : no_copy,read_only;
 meta localDateTime julian_date(localYear,localMonth,localDay,localHour,localMinute,localSecond) : no_copy;
+alias mars.date = localDate;
+alias mars.time = localTime;
 
 # isSatellite and other stuff moved to section 3
-ascii[8]    keyMore : hidden; 
-byte[9]    keySat : hidden; 
+ascii[8] keyMore : hidden; 
+byte[9]  keySat : hidden; 
 
 # 16 bytes
 unsigned[2] messageLength;
@@ -80,9 +84,10 @@ if (oldSubtype < 255 ) {
 alias ls.rdbType=rdbType;
 alias ls.rdbSubtype=rdbSubtype;
 
-alias mars.rdbType=rdbType;
-alias mars.rdbSubtype=rdbSubtype;
+alias rdb.rdbType=rdbType;
+alias rdb.rdbSubtype=rdbSubtype;
+
+alias mars.obstype = rdbSubtype;
 
 #Data assimilation loop for purpose of Continous DA
 unsigned[1] daLoop;
-
diff --git a/definitions/bufr/section.3.def b/definitions/bufr/section.3.def
index 49ac2fa74..f6661e43d 100644
--- a/definitions/bufr/section.3.def
+++ b/definitions/bufr/section.3.def
@@ -75,19 +75,15 @@ if (section2Present && bufrHeaderCentre==98 && section2Length==52) {
             oldSubtype==31) {
             meta ls.localNumberOfObservations bits(keySat,0,16) : dump,long_type,no_copy;
             meta ls.satelliteID bits(keySat,16,16) : dump,long_type,no_copy;
-            alias mars.satelliteID=satelliteID;
         } else {
             meta ls.localNumberOfObservations bits(keySat,0,8) : dump,long_type,no_copy;
             meta ls.satelliteID bits(keySat,8,16) : dump,long_type,no_copy;
-            alias mars.satelliteID=satelliteID;
         }
     } else {
         meta ls.localLatitude bits(keyData,72,25,-9000000,100000) : dump,no_copy;
         meta ls.localLongitude bits(keyData,40,26,-18000000,100000) : dump,no_copy;
+        meta mars.ident sprintf("%s", keyMore) : string_type, no_copy;
         alias ls.ident=keyMore : dump,string_type,no_copy;
-
-        alias mars.localLatitude=localLatitude;
-        alias mars.localLongitude=localLongitude;
     }
 }
 
diff --git a/tests/bufr_get.sh b/tests/bufr_get.sh
index f91d5bcdb..0fb60bfc6 100755
--- a/tests/bufr_get.sh
+++ b/tests/bufr_get.sh
@@ -68,9 +68,9 @@ result=`${tools_dir}/bufr_get -s unpack=1 -p satelliteIdentifier wavb_134.bufr`
 # ECC-315: BUFR keys in the MARS namespace
 #-------------------------------------------
 result=`${tools_dir}/bufr_get -m aaen_55.bufr`
-[ "$result" = "2 55 2012 11 2 0 0 8 209" ]
+[ "$result" = "55 20121102 0000" ]
 result=`${tools_dir}/bufr_get -m syno_1.bufr`
-[ "$result" = "1 1 2012 10 30 0 0 0 7.45 151.83" ]
+[ "$result" = "1 20121030 0000 91334   " ]
 
 #-------------------------------------------
 # Local ECMWF section: 'ident' key