Character position definition and scope:

A one-character alphabetic code indicates the general position of the sensor relative to the Earth.  A fill character ( | ) is used when no attempt has been made to code this position.

Record requirements for National-level and Minimal-level records:  Optional.

Guidelines for applying content designators:

Code:

Description:

a

Surface

b

Airborne

c

Spaceborne

n

Not applicable  The altitude of the sensor is not applicable to the image.

u

Unknown  The altitude of the sensor from which the image was made is not known.

z

Other  A sensor altitude for which none of the other defined codes is appropriate.

|

No attempt to code

To return, select:

007:  Remote-sensing image

007  Physical Description Fixed Field