Pakistan Remote Sensing Satellite System - PRSSS News & Update
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SUPARCO acquires and archives satellite data from different earth resources satellites. The data products and related services are offered to different user agencies within and outside Pakistan.
SUPARCO's Satellite Ground Station, located at Rawat near Islamabad, has an acquisition zone of approximately 2500 Km radius and covers Pakistan and 25 other countries, wholly or partially, in the South Asian, Central Asian and Western Asian/Middle East regions.
More details:
The RSSS is highly sophisticated, application oriented, high resolution satellite that will be first of its kind in Pakistan to directly address the demands of todays market.
Second satellite of Pakistan, Badr-2, launched in 2001, carried an experimental earth imaging payload.
Prototype Remote Sensing Satellite (PRSS)
SUPARCO developed a Prototype Remote Sensing Satellite in 2007 as a part of skill development programme. It is an indigenous effort in the field of satellite engineering aimed at enhancing the know-how and capacity building of its scientists and engineers. Facilities developed/upgraded were utilized to test and evaluate the satellite responses in various environments such as HELMHOLTZ Coil, Clean Room, Anechoic Chamber and Light Controlled Environment, Satellite Platform Control Unit and Satellite Mission Control Room.
The Prototype satellite is the evaluation version of FM Satellite, in which Satellite Control, Navigation, Imaging, Communication and Power Management have been completely implemented.
The PRSS is able to acquire 2.5m GSD of satellite images. The PRSS Satellite is controlled through the OBC which can handle Telecommand and Telemetry through Ground Segment. All the subsystems of the Satellite are interconnected through CAN-2.0 Bus. The Power Capacity of PRSS is 600W with state of the art Power Management system which is used to perform Solar Power Distribution, Battery Power Distribution, Fast Take Over and Battery Charging Module and Subsystem Power Distribution through specific Power Control Unit which will manage the power according to specific requirements. In Satellite Navigation and Control system, PRSS is fully equipped with sophisticated Sensors and Actuators. The Satellite Navigation system comprises 3-Axis rate Gyros, Magnetometers, Accelerometers, Digital sun Sensor and Star tracking Sensors in order to provide accurate attitude and orbital determination. Magnetotorquer Rods, Thruster and Reaction wheels are used for controlling satellite attitude. The imaging Payload System is equipped with High resolution CCD sensor which is used in IKONOS, QUICKBIRD satellite for imaging with high speed Data Acquisition and Transmission to Ground Segment. The protocol implementation for communication of PRSS to Satellite Ground Segment is fully CCSDS complaint which can easily be interfaced with any standard Ground based equipments.
The prototype satellite has been integrated and tested under various conditions and through various testing tools in order to evaluate its performance and reliability.
Development Of PRSS Subsystems
On-Board Data Handling System
The On-Board Computer System of PRSS Prototype satellite on 386 Ex Processor based and hardware communication on CAN 2.0 bus. PIC Controllers have been used to establish sub-system communication with On Board Computer (OBC).OBC has been mounted and harnessed with other subsystems on satellite structure. Ground station software functionality with hardwired link has been successfully established and tested along with Telemetry acquisition and Telecommand generation.
The OBC is fully equipped with redundant logic circuits which can handle any kind of error occurring in space.
RF Transmitter / Receiver
Along with digital expertise, PRSS team is also mature in RF areas. The PRSS Prototype is equipped with S-Band transmitter, supporting Data rate of 150 Mbps with direct carrier QPSK modulation scheme. Integration and testing of different transmitter modules was performed successfully. S-Band Telemetry Transmitter and Telecommand Receiver has been mounted on satellite.
Reaction Wheel and Propellant Tank
The reaction wheel mounted on the PRSS is used to perform actuation for compensation of orbital displacement in SPACE environment. The reaction wheel has been designed according to theoretical calculation of satellite environment. The pressure vessel design is essential because the propellant used for the thrusters needs to be stored in some storage device, the pressure vessel serves this purpose.
The storage tank was developed by using ASME Section VIII standards (the standards for pressure vessel). The pressure vessel is designed to store 30kg of propellant at high pressure without failure, with mass not more that of 10Kg.
Satellite Electrical Power System
PRSS Prototype Model is equipped with 600 watts Power System which has been developed and integrated with other subsystems. The power requirements of satellite Prototype comprises Solar panels of 32V and 11A, Battery Pack of 24V and 10A, fully regulated bus of 28V, Battery Discharge Regulators, Battery Charger (Fast and Trickle), Power Management and Control Unit. Separate Power distribution modules have been designed for individual subsystems with the provision of voltage and current monitoring.
Imaging Payload System
Functional testing of Imaging Payload of PRSS has been successfully completed. The Features of the Imaging Payload System are: KLI14403 Tri-linear CCD Sensors are used for imaging which have 3-Band sensor arrays with Resolution of 14400 pixels in line. High rate pixel output has been interfaced with 10MHz, 3-Parallel High Speed ADC with 12 Bit Resolution at 10MHz rate, Imaging Payload Controller on DM642 Media Processor Based Design for Managing System Tasks, Ethernet Based Image Data Transmission with CCSDS format at 100Mbps, UART Based IPC interface with CAN Controller, Telescope with 20m focusing for testing and evaluation of overall performance of sensor.
The Ground Segment Software has been developed for the acquisition of image data from satellite payload controller over Ethernet interface. It acquires and saves image data with time stamping and displays sub-sampled/low resolution image in the GUI. An Imaging Platform is designed to acquire the simulated earth images. Since the PRSS MSS sensor is push broom sensor therefore the moving platform is developed in order to test sensor and overall IPS electronics performance. This system is placed on PRSS Prototype Structure and its harnessing functional testing/debugging has been completed. Its software and hardware performance with power consumption log is measured and scrutinized with calculated system response which has successfully fulfilled all such requirement.
Operator Space and Upper Atmosphere Research Commission
Major contractors SUPARCO, Pakistan
Bus CAN-bus
Mission type Oceanography
Weather satellite
Earth observation satellite
Geographic information system
Constellation of Optical
Global navigation satellite system
Optical satellite system
Launch date End year of 2011
Carrier rocket Unknown
Launch site Unknown
Homepage Pakistan Remote Sensing Satellite
Mass Unknown
Power 600 W
Orbital elements
Regime Sun-Synchronous, Circular orbit, HEO
Inclination 38.280o
Apoapsis 700 kilometres (435 mi)
Periapsis 700 kilometres (435 mi)
Orbital period 99.31 minutes
Instruments
Main instruments Very High Resolution Radiometer
Synthetic aperture radar
SUPARCO's Satellite Ground Station, located at Rawat near Islamabad, has an acquisition zone of approximately 2500 Km radius and covers Pakistan and 25 other countries, wholly or partially, in the South Asian, Central Asian and Western Asian/Middle East regions.
More details:
The RSSS is highly sophisticated, application oriented, high resolution satellite that will be first of its kind in Pakistan to directly address the demands of todays market.
Second satellite of Pakistan, Badr-2, launched in 2001, carried an experimental earth imaging payload.
Prototype Remote Sensing Satellite (PRSS)
SUPARCO developed a Prototype Remote Sensing Satellite in 2007 as a part of skill development programme. It is an indigenous effort in the field of satellite engineering aimed at enhancing the know-how and capacity building of its scientists and engineers. Facilities developed/upgraded were utilized to test and evaluate the satellite responses in various environments such as HELMHOLTZ Coil, Clean Room, Anechoic Chamber and Light Controlled Environment, Satellite Platform Control Unit and Satellite Mission Control Room.
The Prototype satellite is the evaluation version of FM Satellite, in which Satellite Control, Navigation, Imaging, Communication and Power Management have been completely implemented.
The PRSS is able to acquire 2.5m GSD of satellite images. The PRSS Satellite is controlled through the OBC which can handle Telecommand and Telemetry through Ground Segment. All the subsystems of the Satellite are interconnected through CAN-2.0 Bus. The Power Capacity of PRSS is 600W with state of the art Power Management system which is used to perform Solar Power Distribution, Battery Power Distribution, Fast Take Over and Battery Charging Module and Subsystem Power Distribution through specific Power Control Unit which will manage the power according to specific requirements. In Satellite Navigation and Control system, PRSS is fully equipped with sophisticated Sensors and Actuators. The Satellite Navigation system comprises 3-Axis rate Gyros, Magnetometers, Accelerometers, Digital sun Sensor and Star tracking Sensors in order to provide accurate attitude and orbital determination. Magnetotorquer Rods, Thruster and Reaction wheels are used for controlling satellite attitude. The imaging Payload System is equipped with High resolution CCD sensor which is used in IKONOS, QUICKBIRD satellite for imaging with high speed Data Acquisition and Transmission to Ground Segment. The protocol implementation for communication of PRSS to Satellite Ground Segment is fully CCSDS complaint which can easily be interfaced with any standard Ground based equipments.
The prototype satellite has been integrated and tested under various conditions and through various testing tools in order to evaluate its performance and reliability.
Development Of PRSS Subsystems
On-Board Data Handling System
The On-Board Computer System of PRSS Prototype satellite on 386 Ex Processor based and hardware communication on CAN 2.0 bus. PIC Controllers have been used to establish sub-system communication with On Board Computer (OBC).OBC has been mounted and harnessed with other subsystems on satellite structure. Ground station software functionality with hardwired link has been successfully established and tested along with Telemetry acquisition and Telecommand generation.
The OBC is fully equipped with redundant logic circuits which can handle any kind of error occurring in space.
RF Transmitter / Receiver
Along with digital expertise, PRSS team is also mature in RF areas. The PRSS Prototype is equipped with S-Band transmitter, supporting Data rate of 150 Mbps with direct carrier QPSK modulation scheme. Integration and testing of different transmitter modules was performed successfully. S-Band Telemetry Transmitter and Telecommand Receiver has been mounted on satellite.
Reaction Wheel and Propellant Tank
The reaction wheel mounted on the PRSS is used to perform actuation for compensation of orbital displacement in SPACE environment. The reaction wheel has been designed according to theoretical calculation of satellite environment. The pressure vessel design is essential because the propellant used for the thrusters needs to be stored in some storage device, the pressure vessel serves this purpose.
The storage tank was developed by using ASME Section VIII standards (the standards for pressure vessel). The pressure vessel is designed to store 30kg of propellant at high pressure without failure, with mass not more that of 10Kg.
Satellite Electrical Power System
PRSS Prototype Model is equipped with 600 watts Power System which has been developed and integrated with other subsystems. The power requirements of satellite Prototype comprises Solar panels of 32V and 11A, Battery Pack of 24V and 10A, fully regulated bus of 28V, Battery Discharge Regulators, Battery Charger (Fast and Trickle), Power Management and Control Unit. Separate Power distribution modules have been designed for individual subsystems with the provision of voltage and current monitoring.
Imaging Payload System
Functional testing of Imaging Payload of PRSS has been successfully completed. The Features of the Imaging Payload System are: KLI14403 Tri-linear CCD Sensors are used for imaging which have 3-Band sensor arrays with Resolution of 14400 pixels in line. High rate pixel output has been interfaced with 10MHz, 3-Parallel High Speed ADC with 12 Bit Resolution at 10MHz rate, Imaging Payload Controller on DM642 Media Processor Based Design for Managing System Tasks, Ethernet Based Image Data Transmission with CCSDS format at 100Mbps, UART Based IPC interface with CAN Controller, Telescope with 20m focusing for testing and evaluation of overall performance of sensor.
The Ground Segment Software has been developed for the acquisition of image data from satellite payload controller over Ethernet interface. It acquires and saves image data with time stamping and displays sub-sampled/low resolution image in the GUI. An Imaging Platform is designed to acquire the simulated earth images. Since the PRSS MSS sensor is push broom sensor therefore the moving platform is developed in order to test sensor and overall IPS electronics performance. This system is placed on PRSS Prototype Structure and its harnessing functional testing/debugging has been completed. Its software and hardware performance with power consumption log is measured and scrutinized with calculated system response which has successfully fulfilled all such requirement.
Operator Space and Upper Atmosphere Research Commission
Major contractors SUPARCO, Pakistan
Bus CAN-bus
Mission type Oceanography
Weather satellite
Earth observation satellite
Geographic information system
Constellation of Optical
Global navigation satellite system
Optical satellite system
Launch date End year of 2011
Carrier rocket Unknown
Launch site Unknown
Homepage Pakistan Remote Sensing Satellite
Mass Unknown
Power 600 W
Orbital elements
Regime Sun-Synchronous, Circular orbit, HEO
Inclination 38.280o
Apoapsis 700 kilometres (435 mi)
Periapsis 700 kilometres (435 mi)
Orbital period 99.31 minutes
Instruments
Main instruments Very High Resolution Radiometer
Synthetic aperture radar
Safriz
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true....the GPS and GLONAS rely on atleast two satellites above the horizon all the time at any location on earth.
that way an observer gets atleast two arcs of position.and is at the intersection of the two arcs of position.
for accuracy the satellites should have 90 degrees of azimuth difference between them..lesser they apart..lesser will be the accuracy...or more signals from more satellites will be needed to offset the error.
since GPS works on calculating the time difference between signal tranmission by satellite and reception by receiver...even by two satellites 3D navigation is possible...because the higher you are the closer you are to the satellite and the quicker you receive the signal...that way receiver can calculate altitude.
although GPS does not work in polar areas...beyond latitude 70 degree north and south
Safriz
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china always had a navigation system based on geo stationary satellite....
GPS is sole property of USA and officially its still "beta" an in undergoing tests.although its fully mature and USA can shut off the system/induce errorcwhen they want and are not legally obliged to give any prior notice to anybody.
During second middle east war we noticed significant and random error in GPS data and had to apply correction by other means.
any country with missiles and strategic military assets will need own navigation system..Pakistan needs it asap.
presumably india has a contract with russian GLONAS for military grade navigation so they are safe.
GPS is sole property of USA and officially its still "beta" an in undergoing tests.although its fully mature and USA can shut off the system/induce errorcwhen they want and are not legally obliged to give any prior notice to anybody.
During second middle east war we noticed significant and random error in GPS data and had to apply correction by other means.
any country with missiles and strategic military assets will need own navigation system..Pakistan needs it asap.
presumably india has a contract with russian GLONAS for military grade navigation so they are safe.
Arsalan
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exactly, as i have mentioned, it is being considered only the first step.
2.5 GSD. GSD is the resolution unit meaning Ground sample Distance.
2.5 GSD means that 1 pixel of image will represent 2.5m of ground!
regards!
Arsalan
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in a statement issued by Secretary SUPARCO Arshad H Siraj , it was hinted that the RSSS to be launcjed in 2011 will only be the first step.
there is a slight misunderstanding in this.
initially the statement claims the RSSS launch as planned as 2014 but then mentioned the Satellite details that will be launched in 2011 (that is the RSSS in discussion at this forum).
as per my understanding, the RSSS being launched in 2011 is the one developed on experimental and als equipped with an experimental SAR as mentioned first post of this article. however, as discussed, this will be a progressing project with more RSSS satellites with better resolution to be launched in 2014.
i am sure about the end 2011 launch, it will be an RSSS with 2.5 PAN Payload and an experimental SAR.
regards!
Pakistan to launch Remote Sensing Satellite in 2014
there is a slight misunderstanding in this.
initially the statement claims the RSSS launch as planned as 2014 but then mentioned the Satellite details that will be launched in 2011 (that is the RSSS in discussion at this forum).
as per my understanding, the RSSS being launched in 2011 is the one developed on experimental and als equipped with an experimental SAR as mentioned first post of this article. however, as discussed, this will be a progressing project with more RSSS satellites with better resolution to be launched in 2014.
i am sure about the end 2011 launch, it will be an RSSS with 2.5 PAN Payload and an experimental SAR.
regards!
The Deterrent
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^^^ Arsalan,I think the "P" in PRSSS stands for "Prototype" not Pakistan...that would explain its launch in 2011...then the Advanced version will be launched in 2014.
Arsalan
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this is a possibility but different sources have translated this differently. however, the SUPARCO website also confirms the existence of a prototype satellite that was developed for sub system studies. i have posted the details on first page.
WAQAS119
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Pakistan to launch Remote Sensing Satellite in 2014
ISLAMABAD (APP) - After the successful launch of communication satellite Paksat-IR, the Pakistan Space and Upper Atmosphere Research Commission (SUPARCO) plans to launch high resolution Remote Sensing Satellite System (RSSS) in 2014.
The system is planned to be a progressive and sustainable programme. Initially, the commission planned to launch an optical satellite with payload of 2.5 meter PAN in 700 km sun-synchronous or bit by the end of current, which will be followed by a series of optical and SAR Satellites.
SUPARCO Secretary Arshad H Siraj said it would be helpful in exploiting the potentials of space technologies for natural resource surveying and environmental monitoring. The system will also be significant in executing application projects of national significance, transfer technology to users in public and private sectors as remote sensing along with its allied technologies has become an industry in itself.
He said the commission was the pioneer in introducing these technologies in Pakistan using the satellite remote sensing techniques and the system would also be helpful in improving agriculture of the country, water resources, environment and other such issues.
The SUPARCO is aimed at contributing to the socio-economic development of the country by demonstrating the potential of space technologies for natural resources surveying and environment monitoring, he added.
Pakistan entered the space age with the formal launching of a second hand purchased Paksat-I in January 2003.
Since then, our scientists and engineers had been making endeavours to launch indigenous satellite and ensure countrys permanent presence in the space.
In replying to a question, the SUPARCO secretary said under the vision 2040 of Pakistans Space programme, more satellites would be launched, which would help improve socio-economic condition of the country. As far as launch of spaceship is concerned, no such planning is in considerations and the focus is to launch more communication satellites, he maintained.
ISLAMABAD (APP) - After the successful launch of communication satellite Paksat-IR, the Pakistan Space and Upper Atmosphere Research Commission (SUPARCO) plans to launch high resolution Remote Sensing Satellite System (RSSS) in 2014.
The system is planned to be a progressive and sustainable programme. Initially, the commission planned to launch an optical satellite with payload of 2.5 meter PAN in 700 km sun-synchronous or bit by the end of current, which will be followed by a series of optical and SAR Satellites.
SUPARCO Secretary Arshad H Siraj said it would be helpful in exploiting the potentials of space technologies for natural resource surveying and environmental monitoring. The system will also be significant in executing application projects of national significance, transfer technology to users in public and private sectors as remote sensing along with its allied technologies has become an industry in itself.
He said the commission was the pioneer in introducing these technologies in Pakistan using the satellite remote sensing techniques and the system would also be helpful in improving agriculture of the country, water resources, environment and other such issues.
The SUPARCO is aimed at contributing to the socio-economic development of the country by demonstrating the potential of space technologies for natural resources surveying and environment monitoring, he added.
Pakistan entered the space age with the formal launching of a second hand purchased Paksat-I in January 2003.
Since then, our scientists and engineers had been making endeavours to launch indigenous satellite and ensure countrys permanent presence in the space.
In replying to a question, the SUPARCO secretary said under the vision 2040 of Pakistans Space programme, more satellites would be launched, which would help improve socio-economic condition of the country. As far as launch of spaceship is concerned, no such planning is in considerations and the focus is to launch more communication satellites, he maintained.
farhan_9909
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any confirm source/
will it be launched from the Shaheen III SLV or chineese one?
and end of the years means 2011 dec na?
will it be launched from the Shaheen III SLV or chineese one?
and end of the years means 2011 dec na?
Arsalan
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the internet sources are pretty much silent about this issue.
however, there is confirmed news that Pakistan is working on an indigenous SLV.
as per my information, the 2nd satellite planned for 2011 launch will be using a Chinese carrier once again. however, there are bright chances that the 2014 RSS planned for 2014 will be using a Pakistani SLV.
regards
Safriz
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Arsalan
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Dear Friends,
This is just a deliberate attempt to derail this thread which is full of positive discussion and source based information. What we must do is simply ignore this troll, keep the MODS informed via personal messages and let them take care of this BS.
Please let us not reply to this BAKWAS any further. This will be good for thread!
I hope you guys understand my point.
Thanks you
Regards,
Arsalan ASlam
This is just a deliberate attempt to derail this thread which is full of positive discussion and source based information. What we must do is simply ignore this troll, keep the MODS informed via personal messages and let them take care of this BS.
Please let us not reply to this BAKWAS any further. This will be good for thread!
I hope you guys understand my point.
Thanks you
Regards,
Arsalan ASlam
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