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2008 AMSAT Space Symposium and Annual Meeting


2008 AMSAT North America Space Symposium
24-26 October 2008, Atlanta, Georgia
2008 AMSAT Symposium Presentations

"Space Radio for Windows" Anthony Monteiro, AA2TX
Space Radio is a very low-cost way to receive the voice and data Transmissions from the International Space Station on the 2-meter band. It can also be used to receive the packet data satellites that operate on this band. Using about $15 in parts and free, open-source software, Space Radio could offer an attractive entry point for students, hobbyists, and amateur radio operators interested in exploring space communications and software radio technology.
"AMSAT Opportunities for Communications Interoperability" JoAnne Maenpaa, K9JKM
The digital 5 GHz uplink – 3 GHz downlink on the AMSAT Eagle/Phase IV Advanced Communication Payload (ACP) will enable amateur radio operators to provide unprecedented disaster communication support services between stations within range of the satellite’s footprint.
"ITAR and AMSAT" Bill Ress,- N6GHz
ITAR offers very difficult challenges for AMSAT and its volunteers. History, discussions and future endeavors to deal with ITAR will be presented.
"AO-51 Operation Before, During and After the No Eclipse Period" Gould Smith, WA4SXM
AO-51 is going through it’s second no eclipse period which greatly affects the satellite and its operational capabilities. This paper will explain those changes and the operational modes and lifetime effects.
"Taking Eagle to Geostationary" Tom Clark, K3IO
Using the Eagle technology in geostationary satellites.
"Power efficient FEC-coded low rate telemetry formats" Phil Karn, KA9Q
"P3E’s Software Defined Transponder (SDX)" Howard Long, G6LVB
Progress update of the software defined transponder module for the P3E satellite.
"SuitSat-2 Progress" Lou McFadin, W5DID
Update on the progress of the SuitSat-2 build.
"ARISS Update" Frank Bauer, KA3HDO
Discussion of the ARISS achievements during 2008 and future projects.
"S-band and X-Band deep space reception" Paul Marsh M0EYT
This paper will give an overview of current deep space transmitters along With equipment needed to build a modest receiver system. Tips on hardware, Operating and relevant software are included in order to help the weak signal enthusiast get started.
"HSSDT Project - High Speed Satellite Data Transmitter" Giulio Pezzi, IZ4FVW-AB2VY
This article describes the project: HSSDT – "High Speed Satellite Data Transmitter" a data transmitter for on-board Microsatellite use, composed by a Microchip microcontroller driving a PLL N-fractional synthesizer This projects are capable to guarantee a high speed data link following, however, the low-cost requirements
"Handheld FM Satellite Stations – Meeting FCC Part 97.1 With A Superb Tool For Recruiting New Operators" Timothy J. Lilley, N3TL
Several times a day, American amateur radio operators are using low-cost handheld stations to demonstrate the entirety of FCC Part 97.1, which defines the fundamental purpose of the amateur radio service. These handheld stations are superb tools for use in recruiting new licensed amateurs – especially young people – and, as such, should be at the forefront of efforts to promote amateur radio to the public.
"Using Iridium’s satellite network for amateur satellite communications in Low Earth Orbit" Christian Rodriguez
Amateur satellite communications are limited by overhead transmissions that last around 15 minutes twice a day. Using Iridium’s satellite network as a gateway, amateur satellites in low earth orbit (LEO) may achieve near continuous communications with earth. This paper discusses the use of the Iridium network for amateur satellite communications. Specifically, the paper focuses on Florida International University’s (FIU) Florida University SATellite (FUNSAT) payload submission, named Pico Panther. An introduction to the network and hardware is presented. Furthermore, an analysis of cost, Doppler effects and possible uses is performed.
"Work Satellites with your HT!" Clint Bradford, K6LCS
Most hams already have the necessary equipment to work FM amateur satellites. This guide offers all the information you need to “work the birds.”
"AubieSat1: A Student Designed CubeSat developed at Auburn University" Richard Chapman, KC4IFB, Jean-Marie Wersinger KI4YAU, Thor Wilson, John Klingelhoeffer WB4LNM
AubieSat-1 is a CubeSat, the first in a series of small satellites to be built and operated by the Auburn University Student Space Program (AUSSP) The science mission of the satellite is to test the ability to determine the changing attitude of the satellite by measuring the polarization of signals received at the ground station.
"The Meteor Shower Nobody Saw--Revisited" By Joe Lynch, N6CL
The placement of seismometers on the Moon's surface by the Apollo astronauts yielded evidence of a huge event during the dates of June 20-30, 1975. Previous research has assumed that this event was a lunar meteor storm. In 1992 this author presented a paper at the Central States VHF Society Conference on the supposed lunar meteor storm in which text from the “The World Above 50 MHz” column in the September 1975 issue of QST was used to determine whether or not there was support for the theory of a lunar meteor storm. Results of that examination were inconclusive.
"Proposed Network-Centric Architecture for the Advanced Communications Package (ACP)" Timothy J. Salo
This paper suggests a system-level architecture for the Advanced Communications Package (ACP). The architecture presented here employs the lessons of the Internet architecture and leverages the Internet protocols to create a network-centric, system-level architecture for the ACP. This high-level architecture is developed by partitioning the required functionality into subsystems, defining interfaces between those subsystems, and assigning the subsystems to hardware platforms. Following that, several fundamental design issues are highlighted, and potential solutions to these challenges are outlined. The resulting system-level architecture should stimulate thought and discussion about the design of the ACP, and may provide a foundation for future ACP design and implementation efforts.
"Medium Earth Orbit. - An affordable alternative to HEO?" David Bowman G0MRF
This paper examines the communications potential for an AMSAT spacecraft located in Medium Earth Orbit and poses the question Is MEO an affordable and acceptable alternative to the traditional High Earth Orbit P3 series. The paper considers the increased RF path loss on system design and the implications of operating in a higher radiation environment. It concludes by examining propulsion technologies, methods of achieving orbital transfer from LEO to MEO and outlines a possible compromise between fuel mass, launch cost and apogee height.
"Modeling Robot Control for AO-51 satellite follower" Prof. Jose de Jesus Lopez-Villalobos
"APRS Operations and the APRS Space Network" Bob Bruninga, WB4APR
Bob will NOT be attending the symposium due to a family obligation Too many hams seem to have completely misunderstood APRS as just a vehicle tracking system that transmits GPS coordinates. When in fact, APRS is exactly the opposite. APRS is a communications text-messaging and information receive system for the distribution and display of relevant immediate information of use to the mobile or portable operator. Via the APRS Amateur Satellites, this capability is extended world-wide and fits in the palm of your hand.!
Poster Session Submission
"Mark Jones and Seth Clark are 6th and 7th grade science teachers at Drake Middle School respectively. We would like to do a poster presentation highlighting our lessons in 6th -grade Earth science on constructing a moon-base and the vertically aligned 7th-grade life science lesson by Dr. Jones on comparing and contrasting biome parameters with the environment on the Moon, Mars and space."

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