October 27-29, 2000 - Klofas.com

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Table of Contents Welcome to Maine; Governor Angus S. King, Jr............................................................... 1 Welcome; Keith Baker ........................................................................................................ 2 So You Want to Build a Satellite!; Dick Jansson, WD4F AB ............................................. 3 Amateur Radio On-board the International Space Station; Frank Bauer, K.A3HDO, and Will Marchant, KC6ROL ............................................................................... 12 CubeSat: The Next Generation ofEducational Picosatellites; Prof. Jordi Puig-Suari, and Prof. Robert Twiggs, KE6QMD ..................................................................... 21 Phase 3D: A Primer on High Frequency Operation; Ed Krome, K9EK ........................... 39 Estimating Keplerian Elements for New Satellite Launches; Ken Ernandes, N2WWD ... 51 Amateur Radio Packages on OS-II; Randolph Kohlwey, N7SFI ..................................... 61 Distributed Processing Goes Galactic; H. Paul Shuch, N6TX .......................................... 66 Tricks Hints and Tips for a Portable Satellite Operator; Charles "Chuck" Duey, KI0AG ........................................................................................................ 75 A Spectrum Wideband Transponder for the International Space Station; Matthew Ettus, N2Mfl ......................................................................................................... 80 InstantTune for the FT-100; Anthony Monteiro, AA2TX ................................................ 86 What's Next?; JeffDavis, N9AVG ................................................................................. I09 An APRS Satellite for MobilelHandheld Communications; Bob Bruninga, WB4APR ............................................................................................ 115 The Houston AMSAT Net; Bruce Paige, KK5DO ......................................................... 126 EasyTrak, A PIC Based RotorlRadio Controller Interface; Steven R. Bible, N7HPR ... 129
Table of Contents (continued) APRS and the T APR EasyTrak AzlEI Rotor Control System; Keith Sproul, WU2Z .... 140 Applications of PIC Microcontrollers to Digital Amateur Satellite Communications; John A. Hansen, W2FS ....................................................................................... 154 Distributed System for LEO Satellite Control Station; Eduardo Jacob Taquet, EA2BJ, and Alvaro Gago Mayoral ................................................................................... 160 The New G3RUH Software Modem for the DSP56002EVM; BOlja Etxebarria, Itziar Martinez, Txema Rna and Inma Hernaez .................................................. 166 Mode-VII Easy-Sats for Everyone; Bob Bruninga, WB4APR ....................................... 170 Modular Nanosatellites as Amateur Radio Communication Platforms; Amish Parashar, KE6EZM, and Todd E Kerner, KB2BCT ........................................................... 176 Phase 5(V) Satellites ....................................................................................................... 184 Phase V and Beyond ... ; Dominick "Dee" Interdonato, NB2F ....................................... 185
Page 1 and 2: jL 7££ $15.00 A MSAT RADIO AMATEU
Page 3: Copyright © 2000 by The American R
Page 7 and 8: Welcome It is with great pleasure
Page 9 and 10: had characteristic perigee values o
Page 11 and 12: the digital experimenters will want
Page 13 and 14: Fig.1, P3E Rendered overvieW
Page 15 and 16: 10 Fig.3, P3E Line Overview
Page 17 and 18: Amateur Radio On-board the Internat
Page 19 and 20: of "transportable stations" which c
Page 21 and 22: The packet bulletin board system on
Page 23 and 24: Side view of the EVA handrail ada
Page 25 and 26: wishing to review the status of the
Page 27 and 28: 2. CUBESAT DEVELOPMENT PROGRAM Aft
Page 29 and 30: The P-POD is constructed using 7075
Page 31 and 32: N 0"1 4 .3 2 NOTES: IN..ESS OTI£RW
Page 33 and 34: Payload services are designed to pr
Page 35 and 36: Assembly is simple. The RF circuit
Page 37 and 38: Level 2) To receive some beacons fr
Page 39 and 40: Amateur radio frequencies (and lice
Page 41 and 42: 2. These organizations could move t
Page 43 and 44: 5 "Space System Developments at Sta
Page 45 and 46: On 10450, it may not be enough to f
Page 47 and 48: Converters A converter converts one
Page 49 and 50: 44 falls offby 3 dB from the highes
Page 51 and 52: And higher still: S and C Bands Her
Page 53 and 54: Summary The higher bands on P3D off
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Mountaintop, P A 18707 (570) 868-56
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product using another media. Those
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Ground Track The unit vector (V LCH
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sin((J) = The velocity vector is th
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FIGURE 2 DEFAULT SETTINGS FOR A TIM
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identified under the AMSAT Output F
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The command and control mode VN dat
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Most of the TNC-2 based TNCs have a
Page 71 and 72:
Ahstract Distributed Processing Goe
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SETI@)home's power derives from cle
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ARGUS@home won't happen overnight.
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Figure 3: Graham Vincent, SEll Leag
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o lola••ec("dmg1en'lth ~ 339 31
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On AO-27 and UO-14 the downlink is
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little planning even urban settings
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A Spread Spectrum Wideband Transpon
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nadir-pointing attribute of the Pal
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signal, one to monitor the station'
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Instanffune for the FT-IOO Anthony
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The flIst problem is that you canno
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Due to the way that the FT-IOO work
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Auxiliary Receiver InstantTune lets
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Similarly, the "itstart.bat" file i
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Step 1 Quit from InstantTrack putti
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Once you have turned on , control t
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DOWN step DATA 1 3 Tuning Complete
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EXAMPLES: 1. Change COM 3 to use IR
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The name of the satellite must matc
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eacon 29.4081 cw Auxiliary Fixed Tr
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• Check to see that the COM port
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Even with P3D in orbit and operatin
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'atelllte :je:?lmJC!gNumbeet::'~ Ep
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REFERENCES Specific technical infor
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The potential of two-way satellite
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Igates with operators that have vol
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any time while also monitoring the
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universal frequency where ALL APRS
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DISTRIBUTING LIVE SAT TRACKING DATA
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The Houston AMSAT Net I earned myHa
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VNIW Real Audio Geostationary Comme
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finnware (verses EPROM) and the EEP
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Rotor Calibration First and foremos
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Deadband Commanded Value ,/ For exa
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of dissimilar radio models. For exa
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Calibration Limits Command Meaning
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and the T APR EasyTrakTM AzlEI Ro
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Software Design If the world was fl
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Rotor Control Window 1 (Normal Mode
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Automatic Weather Balloon Tracking
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148
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Camera Tracking Recent events have
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BEARING is only accurate if you are
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Applications of PIC Microcontroller
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TNC must simultaneously be in commu
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This leads to the selection ofa mod
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Distributed system for LEO satellit
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a sender and a lot of receivers, po
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Figure 2. Processes in the main app
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The new G3RUH software modem for th
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Figure 3. Multirate processing Figu
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MODE-V/I EASY-SATS FOR EVERYONE Bo
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usable downlinks across a 30 Khz ba
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• First is the requirement for a
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Thayer School of Engineering at Dar
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mechanical support as well as the s
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In tandem with data acquisition and
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opportunities. Modularity by design
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AMSAT SYMPOSIUM PRESENTATION PHASE
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emember awaiting the sun to go down
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communications, this will open up a
Page 195:
About the Author ... Dominick ''Dee
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October 27-29, 2000 - Klofas.com

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