06 ITU - Passive Bands - SAOCOM€¦ · 3of21 September26, 2019 ITU International Satellite...
Transcript of 06 ITU - Passive Bands - SAOCOM€¦ · 3of21 September26, 2019 ITU International Satellite...
1 of 21September 26, 2019
ITU International Satellite Symposium 2019Bariloche, Argentina
SAOCOM MISSIONITU International Satellite Symposium 2019
Science Services, Earth Observation for Scientific and Commercial Applications
Josefina Péres – CONAE
Nicolas Renolfi- INVAP
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ITU International Satellite Symposium 2019Bariloche, Argentina
SATELLITES
ACCESS TO SPACE
GROUND STATIONS
PROCESS & DISTRIBUTION OF
SPACE BASED INFORMATION
EDUCATION & CAPACITY BUILDING
CONAE’s MAIN ACTIVITIES
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ITU International Satellite Symposium 2019Bariloche, Argentina
CONAE IN SPACE
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SAOCOM SYSTEM OVERVIEW• Mission Main Drivers :
• Soil Moisture
• agriculture, fishing and forestry,
• weather and climate, hydrology and oceanography,
• emergencies,
• environment and natural resources of land and sea,
• urban areas, cartography, geology, mining and territorial planning,
• Health
• 2 satellites carryingL‐Band (1,275GHz) SAR Instruments
• Launch datesSAOCOM‐1A: 07‐October‐2018SAOCOM‐1B: Q1 2020
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“QP” swaths can be acquired in quad polarization “DP” swaths can be acquired in dual polarization (either HH‐HV or VH‐VV) or single polarization (either
HH or VV) TWCP can be acquired in Compact polarization with reduced duty cycle 63 Science data acquisition modalities
SAOCOM MODES OVERVIEW
Parameter Results forSP Modes
Reqs
Relative RadiometricAccuracy
0.07dB 0.1dB
Absolute RadiometricAccuracy
0.30dB 0.5dB
Co-Polarimetric accuracy
0.22dB 0.3dB
NESgmo -35dB/-29dB
Radiometric Resolution 0,075dB 0,1dB
Azimuth PTAR <-35dB
Range Resolution 9,4m-10,2m 10m
Azimuth Resolution 6,2m 10m
PSLR Range -14,5dB >-10dB
Geolocation (Rapid Orbit)
55m 70m
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• Full Operation from Mission Operation Center in CETT, CONAE – Cordoba.
• 225 acquisitions per day per Satellite – 450 Minutes per day
• Right and Left Looking
• Routine System Ground Stations
ETC – Estación Terrena de Córdoba‐ Argentina ‐ X & S Bands
ETT ‐ Estación Terrena de Tierra del Fuego ‐ Argentina ‐ X & S Bands
SGS ‐ Svalbard ‐ Norwegian ‐ X & S Bands
IMT ‐ Matera‐ Italy – X Band
SAOCOM SYSTEM OPERATION
ETC
ETT
SAOCOM MOC
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SIASGE Sistema Italo Argentino de Satélites para la Gestion de Emergencias
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ITU International Satellite Symposium 2019Bariloche, Argentina
SAOCOM CATALOG
https://catalog.saocom.conae.gov.ar/catalog
SAOCOM1A Quick LookCataratas del Iguazu, Misiones, Argentina
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SAOCOM1A – TOPSAR PRODUCT
SAO1A TNB‐DP HV HHL1C (GEC) False Color17‐09‐19
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CITY OF BARILOCHE - SIASGE
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SAOCOM PROJECTPartners and Industrial Team
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SAOCOM ANTENNAS & FREQUENCIES
BAND FUNCTION ITU beam name, Emi or Rcp
ITU frequencies, MHz Occupied Bandwith
X Band Data DownloadXS1, E 8027.5 – 8115.5 88MHZ
XS3, E 8213.5 – 8305.5 88MHZ
S‐BAND
Telecommand TC1, R 2076.6271 – 2077.2521 325KHZ
Telemetry LBR TL1A, E 2254.8 – 2256.1 625KHZ
Telemetry HBR TL2A, E 2254 – 2257 2,8MHZ
L Band SAR BandXR1S, R 1244.5 ‐ 1305.5 50MHZ
XR1S, E 1250 – 1300 50MHZ
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SAOCOM Antennas Radiated Test LIE – Laboratorio de Integracion y Ensayos – CONAE Cordoba
Antenna Test Facility (LAMA)• Cleanroom 100000 (ISO 8)• Frecuency Range 400Mhz – 40 Ghz• Plane mode acquisition area 5.4m x 5.4m• Cylindrical mode 5,4m x 360º• Spherical mode• dimensions of the chamber :
12,5 x 13,5 x 8,5 m• Automated test / control test video• Near Field Tests
• Circuit antennas properties (Radiationpattern, gain,efficiency, polarizationproperties, etc.)
• Antenna radiation properties (inputimpedance coupling between channels,coupling between antennas, activereflection coefficient, etc)
• Radiation testing and circuit properties ofantennas in different temperatureconditions (ambient pressure)
• Estimation of interaction between antennas (models scale satellite)
• Evaluation of radiation properties of antennas (installed on the bus using scale models or partial models scale 1: 1)
Transparent RF - Thermal Chamber Cycling System
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SAOCOM 1A2013-2018
SAOCOM 1B2016-2019
EM
SAOCOM 1A & 1B Integration
INVAP’s AIT Facility
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SAOCOM 1A (TVAC configuration)
INVAP’s AIT Facility
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2017: SAOCOM 1A TVAC
CEATSA’s Facility
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2018: SAOCOM 1A SAR AntennaIntegration & Deploy
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2018: SAOCOM 1A Dynamic Test
CEATSA’s Facility
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2018: SAOCOM 1A EMI / RFC
CEATSA’s Facility
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2018: SAOCOM 1A Shipmment
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SAOCOM 1A LaunchOct, 7th 2018, 23:21hr (Arg)