4.2.1 Altitude System Definition

• the reference frame or system from which altitudes (elevations) are measured. The term "altitude" is used instead of the common term "elevation" to conform to the terminology in Federal Information Processing Standards 70-1 and 173.

Type:

compound

Short Name:

altsys

4.2.1 Altitude System Definition (Mandatory if Applicable)
     CONTAINS
     4.2.1.1 Altitude Datum Name (Mandatory)
     AND
     4.2.1.2 Altitude Resolution (Mandatory) (can be repeated unlimited times)
     AND
     4.2.1.3 Altitude Distance Units (Mandatory)
     AND
     4.2.1.4 Altitude Encoding Method (Mandatory)

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