Kiruna 25/3-97

Specification, degree project

Project Schedule available

Ground Station Practical

Supervisor:

• Olle Norberg, IRF (Swedish Institute of Space Physics) olle@irf.se

Advisors:

• Anita Enmark (Software) - anita.enmark@ryp.umu.se
• Anders Janis (Hardware) - 94adj@ryp76.ryp.umu.se
• Christer Jurén (JAVA) - christer@irf.se
• Christopher Kitts (Sapphire satellite) - kitts@leland.stanford.edu

Students involved in the degree project:

• Carina Riber (Project manager) - 94cr@mail.ryp.umu.se
• Krister Sundström - m99ksu@ryp.umu.se

Contents:

The goal for this degree project is to create a practical for the "Satelliteteknik 1"-course at

the Swedish Space Engineering Program at Umeå University. For the practical the existing

ground station at the campus will be used to take data from different satellites and presented

to the students via a computer. To be able to present data from different satellites on the same

system without to much work for the students, different script files are used to translate the

various telemetry formats.

Tasks for the practical:

Choose what satellite to examine.

Make a script file. The idea with this script file, is to translate the incoming telemetry packet

from any amateur satellite to a standardized graphic interface. This can be done by some easy

commands like plot, graph, pic, etc. One of the tasks for this degree project is to make this

interpretative program. In this way, the students will see how a telemetry packet can look like

and learn how to find important data.

Examine the output on the screen; e.g. platform data, pictures etc.

This interpretative program will take a lot of time to develop in a way, that it will be easy for the

students to use. Possibilities to plot graphs, display values (in a analogue or digital way), print

texts and perhaps a printer routine must be included.

A sub project, in co-operation with Stanford University, is to make it possible to take down signals

from satellites on the other side of the world. The project is called ASSET (Automated Space Systems

Experimental Testbed) and includes a huge network over the world for University students. The network

is connecting ground stations, sending satellite status and commands back and forth.

To make it possible to access the ground station over a long distance, Internet could be helpful. In this way,

practicals can be performed remotely.

Included in the project:

Evaluate what programming language to use. Interface with hardware, what is needed and how?

Software design/ Internet connection. Write the practical.

Software design:

Carina Riber	Krister Sundström
Graphic design	Script files algorithms
Graphics algorithms	Internet algorithms
S/W-H/W Interface	S/W-H/W Interface

The practical is written together and will be the main presentation material at the end of the degree project.

A smaller report over how the work was done is written continuously during the project. Presentation of the

project is held on June 5, 1997.

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ASSET-team Kiruna.

Last updated 30/5-98 14:38 LT by Carina Riber & Krister Sundström