Diapositiva 1

1
The SalleSat Project
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
1
2
Index

• The amateur satellites and the cubesat concept
• Launch vehicles and orbits for small satellites
• Sallesat I mission
• SalleSat I subsystems
• After launch operations

16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
2
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
2
3
The radio amateur service
Amateur service
A radio communication service for the purpose of
self-training, intercommunication and technical
investigation carried out by amateurs, that is,
by duly authorized persons interested in radio
technique solely with a personal aim and without
pecuniary interest.
Regulated by I.T.U Amateur frequencies cover the
full spectrum divided in narrow bands
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
3
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
3
4
Amateur satellites
Amateur satellite service Basically the amateur
satellite service follows the same objectives
than the amateur service. A.M.S.A.T Amateur
Radio Satellite Corporation I.A.R.U
International Amateur Radio Union responsible of
the satellite frequency coordination O.S.C.A.R
Orbiting Satellite Carrying Amateur Radio (1961)
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
4
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
4
5
Cubesat concept
CUBESAT California Polytechnic State University
standard

• Standard pico satellite structure and launch
  system.
• 10x10x10 cm cube with the weight of 1kg!
• Forty universities along the world are
  participating

11/16/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
5
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
5
6
Poly Picosatellite Orbital Deployer
PPOD Standard, reliable, and flight proven
deployment system
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
6
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
6
7
Index

• The amateur satellites and the cubesat concept
• Launch vehicles and orbits for small satellites
• Sallesat I mission
• SalleSat I subsystems
• After launch operations

16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
7
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
7
8
Launch opportunities for small sats
Launch vehicles

• DNEPR and ROKOT Russian converted ICBM.
• ESA Vega launcher
• Multiple satellite launch.

11/16/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
8
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
8
9
Orbits
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
9
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
9
10
Index

• The amateur satellites and the cubesat concept
• Launch vehicles and orbits for small satellites
• Sallesat I mission
• SalleSat I subsystems
• After launch operations

16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
10
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
10
11
Objectives Before launch

• Planning and construction of a cubesat for
  amateur radio community.
• Based entirely of students BSc and MSc theses.
• Create a base of knowledge.
• Carry out scientific studies.
• Promote the amateur radio and the interest for
  the space activities.

12
Objectives After launch

• Technical studies
• Remote control and Telemetry acquisition and
  processing (world wide)
• Open possibilities to the university in the space
  sector.
• Start of the amateur service
• Collaboration with the amateur collective.
• Start of the education program
• Easy to build receiver kit
• Electronic.
• Space sector.
• Radio communications
• Amateur Radio.

13
RCLS at the university
Communication department
Optical communications
Telephony
Radio communications
Radio Club (RCLS)
14
Current Situation of Radio Club

• Enrolled as an association called RADIO CLUB LA
  SALLE in the Register of Associations of the
  General directory of Legal Entities.
• Enrolled as Radio Club at the ministry of
  Industry and Tourism
• Granting of a global amateur license EA3RKL

15
SALLESAT Organization Chart
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
15
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
15
16
Design specifications

• CubeSat standard Picosatellite.
• Dimensions 10x10x10 cm
• Weight 1 Kg
• Power supply
• Solar panels and batteries
• Functions
• Digital repeater of APRS AX.25 packets.
• Advanced telemetry and Remote Control over AX25.
• Auxiliary CW Beacon.

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
16
17
Bloc Diagram

• Vital Support
• Communications
• Payload

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
17
18
Structure

• Vital Support
• Structure
• Polytechnic University of California
• Standard CubeSat

ORIGINAL DESIGN SALLESAT
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
18
19
Physical diagram
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
19
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
19
20
Power Supply

• Vital Support
• Energy source and power supply

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
20
21
Attitude Control

• Vital Support
• Attitude control and sensors
• Magnetic Type, passive
• Sensors
• Magnetometer
• Accelerometer
• Temperature Sensors

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
21
22
Transceiver

• Communications
• FM 144 Mhz Transceiver
• 1 W Power
• Shared PLL Oscillator
• Modulator
• BW TX 15 Khz, Desv 4.5Khz
• Main Demodulator
• BW RX 15 Khz
• Secondary Demodulator
• BW RX 50 Khz

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
22
23
Modem

• Communications
• Modem AFSK 1200 BELL-202

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
23
24
Beacon

• Communications
• 432 Mhz CW Beacon
• Autonomous
• 100 mW
• Morse telemetry

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
24
25
Antenna system

• Communications
• Antenna
• VHF 144 Mhz
• 4 elements Turnstyle
• UHF 432 Mhz
• Lambda / 4 monopole

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
25
26
Flight computer

• Payload
• I.F.C and flight software
• Fujitsu CPU.
• Program flash memory.
• Application RAM memory.
• Software
• Satellite self control and remote control
• Measurement processing
• Digital packets repeater.

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
26
27
Telemetry

• Payload
• Telemetry
• Packets AX25.
• Protocol APRS.
• Analogical and digital channels.
• Remote Control
• Packets AX25 oriented to connection.
• Specific commands.
• Digital packets repeater
• Storing and retransmission of APRS packets.
• Remote control parameters.

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
27
28
Telemetry AX25 Frames
LINK/NETWORK/TRANSPORT LAYER
SESSION/PRESENTATION LAYER

• Types of frames
• A Tempint,BatteryVolt,DCVolt,BatteryInt,DCInt,chA
  ,chB
• B Accel_x,Accel_y,Accel_z,Mag_x,Mag_y,Mag_z
• C Custom frames to answer remote commands

16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
28
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
28
29
Telemetry CW Beacon frames
SALLESAT1 N1 N2 N3 N4 N5
Where the channels are N1 Battery voltage (V)
with 3 digits N2 PCB temperature (ºC),
indicated by two digits with a letter before.
P for positive temperatures, N for negative
temperatures. N3 Beacon transmitting power in
dBm (two digits) N4 I.F.C Computer status
(four bits). One digit with 16 possible
hex values (0 to F) N5 Discharge battery
intensity (mA). 3 Digits.
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
29
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
29
30
Ground station

• Ground station
• Main ground station
• Place La Salle building
• Antennas 432 Mhz and 144 Mhz crossed yagi
• Rotor Az/ El
• Transceiver Icom IC910
• Remote ground station
• BsC Project Remote ground station

RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
30
31
Objectives Educational kit

• 144 MHz F.M receiver for the reception of the
  Sallesat-1 digital downlink.
• A simple yagui antenna design.
• A custom fully functional tracking software
  SalleTracker.

16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
31
32
Stages of the SALLESAT-1

• 2005-2006 Design
• 2006-2007 Engineering model assembly.
• 2007-2009 Testing, license and financing
• 2009-2010 Flying model assembly and Launch
• 2009-2012 SALLESAT-2

33
Sallesat-1 date 10/07/2007
34
Sallesat-1 Team
35
ESA Vega Maiden flight opportunity
16/11/2009
RADIO CLUB LA SALLE radioclub_at_salleURL.edu
www.radioclub.salleURL.edu
35
36
www.sallesat.org
Thanks for your attention !
37
Space enviroment I
38
Space enviroment II
39
Space enviroment III