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Rocket, Please "Phone Home"

Date:
March 23, 2001
Source:
National Aeronautics And Space Administration
Summary:
Imagine a day when self-diagnostic tools allow future rockets to phone home with vital information about their condition, location and performance. NASA engineers hope that day comes sooner than later and believe the technology could replace expensive ground systems, reducing the cost of space flight.

Imagine a day when self-diagnostic tools allow future rockets to phone home with vital information about their condition, location and performance. NASA engineers hope that day comes sooner than later and believe the technology could replace expensive ground systems, reducing the cost of space flight.

The "Flight Modem," being developed at the NASA Goddard Space Flight Center's Wallops Flight Facility, Wallops Island, VA, allows a rocket or any other flight vehicle to communicate with ground controllers without the traditional and costly equipment typically associated with flight missions.

"Accessing space is costly, and it represents a major impediment for both government and industry exploration and research," said Jay Pittman, Advanced Range Technology Initiative (ARTI) engineer at Wallops. "The flight modem and innovations like it could reduce or even eliminate some of the costs associated with ground-based tracking-systems operations and maintenance."

The Flight Modem, located aboard the rocket, basically acts like a cell phone and places a call, through orbiting satellites, to ground controllers. The modem can relay the position of the rocket and may one day also provide information on the performance and health of the vehicle and its payload.

A prototype system, costing less than $2,500 and based on off-the-shelf components, was flown in early February aboard a Nike-Orion suborbital rocket from Kiruna, Sweden. At launch, the modem, which weighed less than three pounds, phoned home via the Globalstar Communications satellite constellation. Engineers are now analyzing the system's performance.

"This is really a breakthrough for us," said Dwayne Morgan, lead engineer on the Flight Modem. "The data looked even better than we hoped. What this means is that it may be possible to track and communicate with our launch vehicles on demand, at very low systems and mission operations costs."

"Our goal in ARTI is to revolutionize the way we support tracking and commanding an in-flight expendable launch vehicle. The performance of the Flight Modem prototype system during the first flight test showed we are on the right track," Morgan said.

Pittman said, "When perfected, the Flight Modem could become a pervasive presence in aircraft and launch vehicle activities and the basis for development of applications that haven't even been thought of yet. We could imagine science or even commercial aircraft 'phoning in' data for analysis from anywhere in the world and from any kind of platform. The cost is so low and the concept so simple it is hard to predict where and how this technology will be used."

Additional information on the Flight Modem and the Advanced Range Technology Initiative can be found on the Internet at:

http://www.wff.nasa.gov/~fltmodm/

http://thinh.gsfc.nasa.gov/arti/arti4.htm


Story Source:

The above story is based on materials provided by National Aeronautics And Space Administration. Note: Materials may be edited for content and length.


Cite This Page:

National Aeronautics And Space Administration. "Rocket, Please "Phone Home"." ScienceDaily. ScienceDaily, 23 March 2001. <www.sciencedaily.com/releases/2001/03/010322231125.htm>.
National Aeronautics And Space Administration. (2001, March 23). Rocket, Please "Phone Home". ScienceDaily. Retrieved August 20, 2014 from www.sciencedaily.com/releases/2001/03/010322231125.htm
National Aeronautics And Space Administration. "Rocket, Please "Phone Home"." ScienceDaily. www.sciencedaily.com/releases/2001/03/010322231125.htm (accessed August 20, 2014).

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