9.5. The ACCG Data Record (Optional) - Acceleration Due to Gravity

      2   5  7   11
    - --- -- ---- ----------
   |X|   |  |ACCG|          |
    - --- -- ---- ----------
       |  |   |        |
       |  |   |        |_(1)Acceleration Due to Gravity(F10.0)
       |  |   |             (Default Value 9.81)
       |  |   |
       |  |   |_(1)Compulsory Data Record Keyword(A4)
       |  |
       |  |_Optional User Identifier(A2)
       |
       |_Compulsory END on Last data record in data category(A3)