FalconSAT
FalconSAT is the name of the United States Air Force Academy's small satellite engineering program. Satellites are designed, built, tested, and operated by Academy cadets. The project is administered by the USAFA Space Systems Research Center under the direction of the Department of Astronautics. Most of the cadets who work on the project are pursuing a bachelor of science degree in astronautical engineering, although students from other disciplines (typically electrical engineering, mechanical engineering, or computer science) join the project.
Compared to most commercial satellite projects, FalconSat is considerably lower budget, and follows a very accelerated development cycle. Because of the near total personnel turnover every year (the program is generally a senior cadet project, and graduating cadets must be replaced yearly) it forces the cadet engineers to very quickly learn and become familiar with the satellite systems to which they are assigned.
FalconSAT has a sister project, FalconLaunch, to design and develop sounding rocket class vehicles.
Satellites
- FalconGOLD – launched in 1997 on an Atlas rocket. Tested and proved the feasibility of using GPS to determine orbit position when outside the extent of the GPS constellation. Various web pages document FalconGOLD telemetry, a USAF Academy award, and an AIAA award. The design and launch team is documented on the AIAA award plaque. GPSWorld.com's October 1999 article declared "The results of this low-cost, off-the-shelf experiment were quite encouraging for the use of GPS at high altitudes." This work accelerated enthusiasm for GPS side lobe exploitation.[1]
- FalconSAT-1 – launched in January 2000 on a converted Minuteman II missile. It carried the CHAWS (Charging Hazards and Wake Studies) experiment developed by the Physics Department at the Academy. The satellite was successfully placed into orbit but was lost about a month later due to an electrical power system failure.[2] No useful science data was returned, despite repeated recovery attempts. The mission was declared a loss after about a month in orbit. A USAF press statement of June 2002 said: "While FalconSat-1 was a technical failure, it was a resounding academic success."[3]
- FalconSAT-2 – Significantly damaged when Falcon 1 launch vehicle failed seconds after launch. Despite the loss of the launch vehicle, the satellite landed, mostly intact in a support building for the launch vehicle. It was originally scheduled for launch on STS-114 with the Space Shuttle Atlantis in January 2003. Its payload was the MESA instrument (Miniaturized electrostatic Analyzer), which would have been used to sample plasma in the upper atmosphere. The data would have been used to correlate the effect of ionospheric plasma on trans-ionospheric radio communications.
- FalconSAT-3 – contains 5 experiments, including a gravity gradient boom, launch adapter shock ring, and several AFRL sponsored payloads, including MPACS (Micro Propulsion Attitude Control System), FLAPS (Flat Plasma Spectrometer), and PLANE (Plasma Local Anomalous Noise Experiment). The launch, aboard an Atlas V 401 from SLC-41 at Cape Canaveral Air Force Station, was scheduled to occur on 8 December 2006, however as this was on the same day as the scheduled launch of STS-116, and a 48-hour turnaround was required, it was delayed. Launch took place on 8 March 2007 alongside MidSTAR-1. While the FalconSAT-3 software architecture at launch limited access to all ADCS sensors, all scientific mission objectives were achieved. Bus software updates are ongoing, enabling enhanced visibility into satellite bus operations and payload performance.[4] In addition to providing both a ground and space based training platform, FalconSAT-3 is now being used as a trainer for cadets at West Point,[5] student officers at the Air Force Institute of Technology, and a ground station is in work at Vandenberg AFB, CA to support the Air Force's Space 100 course.
- FalconSAT-5 – was launched on 19 November 2010 on board a Minotaur IV. Though the $12,000,000 mission is listed on a NASA website here, data are not being made available to the public through that portal. Instead, all satellite information and data are maintained internally at USAFA, with no public information being released regarding the status of this mission.
For up to date information regarding on-going operations for FalconSAT-3 and FalconSAT-5, please refer to the USAFA Astro Facebook Page.[6]
References
- ↑
- ↑ Archived 29 July 2007 at the Wayback Machine.
- ↑ "eoPortal directory: FalconSat-1". Eoportal.org. Retrieved 15 February 2012.
- ↑ http://www.usafa.edu/df/dfas/Papers/20102011/FalconSAT-3%20Software%20Extension%20For%20Thruster%20Performance%20Analysis%20-%20Eaton-Landseadel-Hart.pdf
- ↑ "US Air Force Academy FalconSAT-3 Goes Joint With The Point (UAV) : Satnews Publishers". Satnews.com. Retrieved 15 February 2012.
- ↑
External links
- Program summary and FalconSAT-2 launch video
- FalconSAT-2 press release
- FalconSAT-3 on Gunter's Space Page
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