Annotated DIF Template

Note: This template is for reference only. The template for the purpose of DIF writing may be viewed or downloaded by FTP: ftp://gcmd.gsfc.nasa.gov/pub/documentation/dif_template/template_dif7.txt

Key:
* = required field
+ = repeatable field

   Field                                     Number of characters allowed
   -----                                     ----------------------------
*  Entry_ID:                                               31
*  Entry_Title:                                           160
+  Group: Data_Set_Citation
      Originator(s):                                      160
      Title:                                              160
      Publication:                                         80
      Issue_Identification:                                80
      Publication_Date:                                    80
      Publication_Place:                                   80
      Publisher:                                           80
      Edition:                                             80
      Data_Presentation_Form:                              80
      URL:                                                160
   End_Group
+  Group: Personnel
+     Role: [Personnel Role Valid]                         80
      First_Name:                                          80
      Middle_Name:                                         80
      Last_Name:                                           80
+     Email:                                               80
+     Phone:                                               80
+     FAX:                                                 80
      Group: Address
         [Multiple Text Lines Allowed]                     80 per line
      End_Group
   End_Group
+  Discipline: [Disc. Valid] > [Subdisc. Valid] > [Text]   31 > 31 > 80
*+ Group: Parameters 
*     Category: [Category Valid]                           31
*     Topic: [Topic Valid]                                 80
*     Term: [Term Valid]                                   80
      Variable: [Variable Valid]                           80
      Detailed_Variable: [Text Line]                       80
   End_Group
+  Keyword: [Text Line]                                    80
+  Sensor_Name: [SHORT NAME] > [Long Name]                 31 > 80
+  Source_Name: [SHORT NAME] > [Long Name]                 31 > 80
+  Group: Temporal_Coverage
      Start_Date: [yyyy-mm-dd]                             10
      Stop_Date: [yyyy-mm-dd]                              10
   End_Group
+  Group: Paleo_Temporal_Coverage
      Paleo_Start_Date: [Text Line]                        80
      Paleo_Stop_Date: [Text Line]                         80
      Chronostratigraphic_Unit: [Chronostr. Unit Valid]    80
   End_Group
   Data_Set_Progress:                                      31
+  Group: Spatial_Coverage
      Southernmost_Latitude: [Numeric Value]                3
      Northernmost_Latitude: [Numeric Value]                3
      Westernmost_Longitude: [Numeric Value]                4
      Easternmost_Longitude: [Numeric Value]                4
      Minimum_Altitude: [Text Line]                        80
      Maximum_Altitude: [Text Line]                        80
      Minimum_Depth: [Text Line]                           80
      Maximum_Depth: [Text Line]                           80
   End_Group
+  Location: [Location Valid] > [Text]                     31 > 80
+  Group: Data_Resolution
      Latitude_Resolution:                                 80
      Longitude_Resolution:                                80
      Altitude_Resolution:                                 80
      Depth_Resolution:                                    80
      Temporal_Resolution:                                 80
   End_Group
+  Project: [SHORT NAME] > [Long Name]                     31 > 80
   Group: Quality
         [Multiple Text Lines Allowed]                     80 per line
   End_Group
   Group: Access_Constraints
         [Multiple Text Lines Allowed]                     80 per line
   End_Group
   Group: Use_Constraints
         [Multiple Text Lines Allowed]                     80 per line
   End_Group
+  Data_Set_Language:                                      80
   Originating_Center:                                     31
*+ Group: Data_Center 
*     Data_Center_Name: [SHORT NAME] > [Long Name]         31 > 160
+     Data_Center_URL:                                    160
+     Data_Set_ID: [Text] > [Text]                         80 > 80
*+    Group: Personnel
*        Role: [Data Center Contact]                       80
         First_Name:                                       80
         Middle_Name:                                      80
         Last_Name:                                        80
+        Email:                                            80
+        Phone:                                            80
+        FAX:                                              80
         Group: Address
            [Multiple Text Lines Allowed]                  80 per line
         End_Group
      End_Group
   End_Group
+  Group: Distribution
      Distribution_Media:                                  80 
      Distribution_Size:                                   80
      Distribution_Format:                                 80
      Fees:                                                80
   End_Group
+  Group: Multimedia_Sample
      File:                                                80
      URL:                                                160
      Format:                                              80
      Caption:                                             80
      Group: Description
         [Multiple Text Lines Allowed]                     80 per line
      End_Group
   End_Group
   Group: Reference
      [Multiple Text Lines Allowed]                        80 per line
   End_Group
*  Group: Summary
      [Multiple Text Lines Allowed]                        80 per line
   End_Group
+  Group: Related_URL
      URL_Content_Type: [URL Content Type Valid]           31
+     URL:                                                160
      Group: Description
         [Multiple Text Lines Allowed]                     80 per line
      End_Group
   End_Group
+  Parent_DIF: [Entry_ID of Parent]                        31
   IDN_Node: [IDN Node Valid]                              31
   DIF_Creation_Date: [yyyy-mm-dd]                         10
   Last_DIF_Revision_Date: [yyyy-mm-dd]                    10
   Group: DIF_Revision_History
      [Multiple Text Lines Allowed]                        80 per line
   End_Group
   Future_DIF_Review_Date: [yyyy-mm-dd]                    10

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