diff --git a/tests/bufr_extract_headers.sh b/tests/bufr_extract_headers.sh
index ad6e2b534..32cd620ec 100755
--- a/tests/bufr_extract_headers.sh
+++ b/tests/bufr_extract_headers.sh
@@ -203,7 +203,7 @@ tropical_cyclone.bufr
 tros_31.bufr
 "
 
-KEYS='localLongitude1,localLatitude1,localLongitude2,localLatitude2,localNumberOfObservations,satelliteID,restricted'
+KEYS='typicalDate,localNumberOfObservations,satelliteID,restricted'
 for bf in ${bufr_files}; do
     input=${data_dir}/bufr/$bf
     $EXEC ${test_dir}/bufr_extract_headers $KEYS $input > $temp1
diff --git a/tests/grib_tigge_conversions1.sh b/tests/grib_tigge_conversions1.sh
index fc7c75a33..0147738f8 100755
--- a/tests/grib_tigge_conversions1.sh
+++ b/tests/grib_tigge_conversions1.sh
@@ -31,18 +31,21 @@ fi
 # --- Do I want to exclude any file pattern from the comparison ?
 exclusion_pattern="tcw|ssr|str|skt|cap|ci|ttr|st|sm|sd|slhf|sshf"
 
+# Some very small floating-point differences shown for these
+blacklist="-b iDirectionIncrementInDegrees,jDirectionIncrementInDegrees"
+
 for file in ${dir}/tigge_[a-e]*.grib; do
   exclude=`echo $file | awk " /$exclusion_pattern/ {print \"found\";} "`
   if [ -z "$exclude" ]; then
     rm -f ${temp1} ${temp2}
 
     # 2 to 1 conversion check
-    ${tools_dir}/grib_set -s editionNumber=1 ${file} ${temp1} 2> $REDIRECT > $REDIRECT
-    ${tools_dir}/grib_compare -P -c data:n,geography:n ${temp1} ${file} 2> $REDIRECT > $REDIRECT
+    ${tools_dir}/grib_set -s editionNumber=1 ${file} ${temp1}
+    ${tools_dir}/grib_compare $blacklist -P -c data:n,geography:n ${temp1} ${file}
 
     # 1 to 2 conversion check
-    ${tools_dir}/grib_set -s editionNumber=2 ${temp1} ${temp2} 2> $REDIRECT > $REDIRECT
-    ${tools_dir}/grib_compare -P -c shortName,data:n,geography:n ${temp2} ${file} 2> $REDIRECT > $REDIRECT
+    ${tools_dir}/grib_set -s editionNumber=2 ${temp1} ${temp2}
+    ${tools_dir}/grib_compare $blacklist -P -c shortName,data:n,geography:n ${temp2} ${file}
   fi
 done
 
diff --git a/tests/grib_tigge_conversions2.sh b/tests/grib_tigge_conversions2.sh
index 3d80771e6..73b7a5455 100755
--- a/tests/grib_tigge_conversions2.sh
+++ b/tests/grib_tigge_conversions2.sh
@@ -30,18 +30,21 @@ fi
 # --- Do I want to exclude any file pattern from the comparison ?
 exclusion_pattern="tcw|ssr|str|skt|cap|ci|ttr|st|sm|sd|slhf|sshf"
 
+# Some very small floating-point differences shown for these
+blacklist="-b iDirectionIncrementInDegrees,jDirectionIncrementInDegrees"
+
 for file in ${dir}/tigge_[f-z]*.grib; do
   exclude=`echo $file | awk " /$exclusion_pattern/ {print \"found\";} "`
   if [ -z "$exclude" ]; then
     rm -f ${temp1} ${temp2}
 
     # 2 to 1 conversion check
-    ${tools_dir}/grib_set -s editionNumber=1 ${file} ${temp1} 2> $REDIRECT > $REDIRECT
-    ${tools_dir}/grib_compare -P -c data:n,geography:n ${temp1} ${file} 2> $REDIRECT > $REDIRECT
+    ${tools_dir}/grib_set -s editionNumber=1 ${file} ${temp1}
+    ${tools_dir}/grib_compare $blacklist -P -c data:n,geography:n ${temp1} ${file}
 
     # 1 to 2 conversion check
-    ${tools_dir}/grib_set -s editionNumber=2 ${temp1} ${temp2} 2> $REDIRECT > $REDIRECT
-    ${tools_dir}/grib_compare -P -c shortName,data:n,geography:n ${temp2} ${file} 2> $REDIRECT > $REDIRECT
+    ${tools_dir}/grib_set -s editionNumber=2 ${temp1} ${temp2}
+    ${tools_dir}/grib_compare $blacklist -P -c shortName,data:n,geography:n ${temp2} ${file}
   fi
 done