# TanDEM-X High Resolution Elevation Data Exchange (TREX) Program

> world elevation data program

**Wikidata**: [Q136769370](https://www.wikidata.org/wiki/Q136769370)  
**Source**: https://4ort.xyz/entity/tandem-x-high-resolution-elevation-data-exchange-trex-program

## Summary
The TanDEM-X High Resolution Elevation Data Exchange (TREX) Program is a world elevation data program that functions as both a project and an international organization established by treaty between governments. It operates with a membership of 33 participants to facilitate access to high-resolution geospatial products. The program produces and distributes TanDEM-X DEM data, involving key participants such as the Office of Geomatics.

## Key Facts
- Officially designated as a "world elevation data program."
- Also known by the alias "TREX program."
- Classified under the instances of "project" and "international organization."
- Defined specifically as an organization established by a treaty between governments.
- Total membership count is 33.
- The Office of Geomatics is a listed participant.
- Primary product or material produced is TanDEM-X DEM data.

## FAQs
**What is the primary purpose of the TREX Program?**
The TREX Program serves as a world elevation data program designed to exchange high-resolution elevation information. It operates as an international organization to coordinate these efforts among its members.

**Who participates in the TanDEM-X High Resolution Elevation Data Exchange Program?**
The program comprises 33 members, including the Office of Geomatics. It functions as an organization established by treaty between governments, facilitating international cooperation.

**What type of data does the TREX Program generate?**
The program produces TanDEM-X DEM (Digital Elevation Model) data. This output serves as the primary material resulting from the project's activities.

## Why It Matters
The TanDEM-X High Resolution Elevation Data Exchange (TREX) Program is significant because it provides a structured framework for the international exchange of high-resolution elevation data, which is critical for accurate geospatial analysis. By operating as a treaty-based organization with 33 members, it ensures that vital TanDEM-X DEM data is accessible to a coalition of government entities, enhancing global mapping capabilities. The involvement of specialized bodies like the Office of Geomatics underscores the program's role in standardizing and disseminating precise geomatics information across borders.

## Notable For
- Establishing a formal international organization structure via treaty for the purpose of elevation data exchange.
- Coordinating a coalition of 33 distinct member entities.
- Production and distribution of specific TanDEM-X DEM data products.
- Active participation of the Office of Geomatics in the program's operations.

## Body

### Program Definition and Classification
The TanDEM-X High Resolution Elevation Data Exchange (TREX) Program is recognized formally as a world elevation data program. It is identified by the alias "TREX program" and is categorized as both a specific project and an international organization. As an international organization, it is defined structurally as an entity established by a treaty between governments. This classification highlights its formal status beyond a simple collaborative initiative, grounding it in intergovernmental agreements.

### Participants and Membership Structure
The program operates through a network of participants, with a total recorded membership of 33 entities. Among these participants is the Office of Geomatics, which plays a role in the program's execution and data management. The involvement of the Office of Geomatics is documented in official sources, such as the NGA Source Foundation FY25 Magazine, verifying their active engagement in the program's activities.

### Products and Output
The primary tangible output of the TREX Program is the production of TanDEM-X DEM data. This data represents the core material or product generated by the initiative. By focusing on Digital Elevation Model (DEM) data derived from the TanDEM-X mission, the program fulfills its objective of providing high-resolution elevation information to its member organizations and the broader geospatial community.

## References

1. [Source](https://www.nga.mil/assets/files/NGA_Source_Foundation_FY25_Magazine.pdf#page=11)