Standard Testing Methods for Satellite Communication Systems
Abstract
University space programs continue to push the envelope of small satellite technology. Because budgets are often limited, and equipment costs can often be prohibitive to even well-established space programs, it becomes necessary to maximize the benefit/cost ratio of testing methods. Expensive testing is often not an option, nor is it realistic. Traditional methods such as anechoic chambers or antenna test ranges are not options, and testing the craft on the ground is not practical. Because of the complexities encountered with testing, the Spacecraft Systems and Operations Lab (SSOL) developed a standardized test environment for communications system testing. Using the High Altitude Balloon Experiments in Technology (HABET) program, a spacecraft can be tested at altitudes exceeding 100,000 feet using flight hardware. With remote launch capabilities, a balloon can be launched downrange and a satellite overhead pass can be simulated. HABET equipment is well understood, allowing parameters to be examined in great detail. The ability to transmit commands to the HABET bus means that the spacecraft can be triggered, much as it would be when separated from the launch vehicle. With these characteristics, the SSOL can use HABET to inexpensively test small satellites in a standardized environment very similar to space.
Standard Testing Methods for Satellite Communication Systems
University space programs continue to push the envelope of small satellite technology. Because budgets are often limited, and equipment costs can often be prohibitive to even well-established space programs, it becomes necessary to maximize the benefit/cost ratio of testing methods. Expensive testing is often not an option, nor is it realistic. Traditional methods such as anechoic chambers or antenna test ranges are not options, and testing the craft on the ground is not practical. Because of the complexities encountered with testing, the Spacecraft Systems and Operations Lab (SSOL) developed a standardized test environment for communications system testing. Using the High Altitude Balloon Experiments in Technology (HABET) program, a spacecraft can be tested at altitudes exceeding 100,000 feet using flight hardware. With remote launch capabilities, a balloon can be launched downrange and a satellite overhead pass can be simulated. HABET equipment is well understood, allowing parameters to be examined in great detail. The ability to transmit commands to the HABET bus means that the spacecraft can be triggered, much as it would be when separated from the launch vehicle. With these characteristics, the SSOL can use HABET to inexpensively test small satellites in a standardized environment very similar to space.
