LOGMARS is defined by Military Standard MIL-STD-1189B and others such as MIL-STD-129, MIL-STD-2073-1C and MIL-STD-129N. LOGMARS (Logistics Applications of Automated Marking and Reading Symbols) is a standard based on Code 39 used by the United States Department of Defense.The following standards based on the 3 of 9 barcode require MOD43 check digits: Enabling the check digit is also an option within IDAutomation Barcode Components and Applications that allow the component to automatically generate and include the MOD43 checksum without fonts. The checksum character is a type of MOD43 calculation provided in many of the IDAutomation font encoders for the Code 39 Barcode Fonts. Although a checksum character is optional, many standards require it. Several standards exist that dictate how Code 39 barcodes should be printed for certain implementations. Code 39 is also known as the 3 of 9 Barcode, Code 3 of 9, and Barcode39. The Code 39 barcode is the easiest of the alpha-numeric barcodes to use and is designed for character self-checking, thus eliminating the need for check character calculations. Lower-case characters may also be easily encoded with the extended fonts provided in the IDAutomation Code-39 Font Package. The symbology of the Code 39 character set consists of barcode symbols representing numbers 0-9, upper-case letters A-Z, the space character, and the following symbols: –. Generating Barcodes in Calculated FieldsĬode 39 is a common barcode type used for various labels such as name badges, inventory, and industrial applications.
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