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LOGMARS

Terry Burton edited this page Oct 13, 2026 · 1 revision

LOGMARS

LOGMARS (Logistics Applications of Automated Marking and Reading Symbols) is the use of Code 39 by the US Department of Defense for marking unit packs, outer containers and documents.

Standards: MIL-STD-1189B Standard Department of Defense Bar Code Symbology.

Data and Options

  • The data field can contain the characters of Code 39: digits, upper case letters, space and -, ., $, /, +, %, up to 30 characters including any check character.
  • The human readable text omits the start and stop characters, as the standard requires.
  • The includecheck option adds the optional modulo 43 check character. The other options of Code 39 are available.
  • The X-dimension of the standard for general applications is from 0.190mm to 0.508mm. Under the physical specification options the minimum height is that of the density of the X-dimension: 6.35mm from 6.5 characters per inch, 9.53mm from 3.0, and 19.05mm below.

Examples

Data:    BOX 42 OF 100
Options: includetext
Encoder: logmars


Symbologies Reference

Point of Sale

GS1 DataBar

Supply Chain

Two-dimensional Symbols

One-dimensional Symbols

Postal Symbols

Pharmaceutical Symbols

Less-used Symbols

GS1 Composite Symbols

Raw Symbols

Partial Symbols

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