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APPENDIX E – INTEROPERABILITY STANDARDS
Page E-10
STANAG 3809 (Digital Terrain Elevation Data)
STANAG 3809 provides the format for digital terrain elevation data (DTED) geographic information data exchange. This data is used for a number of different applications, including mission planning, mapping, and ISR sensor visibility calculations. All exchange of DTED data should be accomplished using STANAG 3809.
STANAG 5500 (Message Text Formatting System)
The NATO message text formatting system (ADatP-3) provides the format for digital messages usable by ADP systems. A number of different message types are defined and encoded so that recipient systems can interpret each.
STANAG 7074 (Digital Geographic Information Exchange Standard)
Digital geographic information exchange standard (DIGEST Version 1.2a) is the standard used to define all types of geographic data. This format is compatible with STANAG 4545, and some of the extensions defined in STANAG 7074 are used by STANAG 4545 to incorporate precision geographic information.
STANAG 3377 (Air Reconnaissance Intelligence Report Forms)
Air Reconnaissance Intelligence Report Forms are included in STANAG 3377. These forms are used to report the results of imagery interpretation and include forms for rapid exploitation, detailed exploitation, and radar analysis. This standard provides both the free text and automated data processing forms of each of the forms.
Other Data Formats
Digital feature analysis data (DFAD) is data that describes the surface features of the terrain. This allows a more complete analysis of terrain than is available through the use of elevation data alone. Feature analysis includes both the natural surface and man-made features. The World Geodetic System - 84 (WGS-84), contained in MIL-STD-2401, provides the reference ellipsoid for use in elevation calculations. In some cases, the ellipsoid is modified with variations of the gravitational vector through the designation of a reference geoid as well. In either case, developers should take care to ensure that metadata specifications are properly followed with respect to using the proper elevation reference.
IMINT Aircraft Collections Requirement Message (ACRM)
This standard for ACRMs is designed to provide a common data structure and format to facilitate the automatic ingestion of IMINT collection tasking from theater collection management tool(s) to mission and/or sensor planners. The ACRM standard will provide community-acceptable field names, data structures, and format(s). Using the standard, developers can create compatible profiles for their individual applications and systems to automatically ingest collection requirements and tasking information.
The standard will provide a menu of all the potential fields necessary for various airborne IMINT collections. Not all fields will necessarily be used in any one ACRM application. Each developer can include those fields necessary for their system/platform in their particular profile. A single standard for ACRMs will:
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