How is hartebeesthoek radio astronomy observatory south africa abbreviated. Hartrao hartebeesthoek radio astronomy observatory south. The year, month and day that the scene was acquired. Since the 1st january 1999, the official coordinate system for south africa is based on the world geodetic system 1984 ellipsoid, commonly known as wgs84, with the international terrestrial reference frame 1991 itrf91 epoch 1994. Apr 07, 2020 ilrs operational station identification table. The spot 5 annual mosaic takes just over a year to produce from a collection of satellite imagery.
Building the new vgos radio telescope at hartebeesthoek as. Germany provided the corot data processing unit dpu onboard software and is contributing groundbased monitoring of the stellar fields that corot will survey. Brazil is participating in corot through groundbased optical observations from eso chile and lna brazil, and with a missionspecific ground station in alcantara. Lists of engineering, inactiveclosed stations, and preilrs stations are available. Green valley lodge is a luxury guesthouse providing accommodation on a bed and breakfast basis in wonderboom south, greater pretoria, gauteng. Geophysical data displays station velocities, water vapour, ionosphere, tide gauge etc. Sscs global network of ground stations was designed specifically to provide comprehensive communications and ground support to earthorbiting satellites.
They were also compared with the solution in which only the igs station hartebeesthoek has been held as fixed. Hartebeesthoek radio astronomy observatory, krugersdorp, gauteng. Hartebeesthoek, south africa 7503 stations eurolas data. The hartebeesthoek radio astronomy observatory is a radio.
Green valley lodge conference venue accommodation in wonderboom south. The landsat ground station lgs is located at the u. Pdf importance of the hartebeesthoek radio astronomy. The project is funded by and in collaboration with the uk space agency uksa and fully aligns with south africas sbas strategy.
The station in hartebeesthoek provides the first multi technique fundamental station in the region with gps and vlbi. South african space agency to add 20 more antennas to its. Hemisphere is the one being constructed in south africa at hartebeesthoek source. Sansas space operations unit operates an array of antennas and several ground stations, based at hartebeesthoek. The hartebeesthoek radio astronomy observatory hartrao is a radio astronomy observatory, located in a natural bowl of hills at hartebeesthoek just south of the magaliesberg mountain range, gauteng, south africa, about 50 km west of johannesburg. Ssc ground network comprises core ssc owned stations and collaborative partner satellite stations strategically located around the world. Hartebeesthoek, south africa 7501 stations eurolas. The hartebeesthoek radio astronomy observatory location the hartebeesthoek radio astronomy observatory hartrao is located in a valley in the magaliesberg hills, 50 km northwest of johannesburg, in the province of gauteng, south africa. Timespan is september 1, 2017 through august 31, 2018. It is a national programme involving nine universities university of cape town, university of kwazulunatal, university of the free state, northwest university, university of zululand, rhodes university, university of south africa, university of the western cape and university of the witwatersrand and three national facilities south african astronomical observatory, hartebeesthoek radio. Forty years of radio astronomy at hartebeesthoek nasaads. International ground station igs network landsat missions. The avanti ground uplink station is located in the makarios satellite earth station in cyprus. Ses 7 protostar ii broadcasting satellite aerospace.
Telkom sa earth station johannesburg, south africa. Don bramwell developed queuescheduling software for the minicomputer system. Advanced very high resolution radiometer avhrr hrpt ground station network. Hartebeesthoek, pretoria accommodation, tshwane greater. Okoumab, eric maina c, roger ianjamasimanana, serges zamboud adepartment of mathematics, rhodes university, 69 grahamstown, south africa. The hartebeesthoek radio astronomy observatory hartrao, located near johannesburg in south africa, uses a 26 metre diameter radio telescope for. South africa was an ideal location for the third deep space network dsn station as it is roughly 120 degrees of. Moblas6 station in hartebeesthoek, south africa are already very important contributors to the network. Gnss reference stations hartebeesthoek radio astronomy. The hartebeesthoek radio astronomy observatory hartrao is located west of johannesburg, south africa. Bids and tenders hartebeesthoek radio astronomy observatory. Pdf challenges and progress with the development of a lunar. Hartbeeshoek nature reserve is situated on 300 hectares of african bushveld and is nestled among a variety of thorn trees.
Filling the uvgaps of the current vlbi network in africa. Geological survey usgs earth resources observation and science eros center in sioux falls, south dakota. Hartrao is defined as hartebeesthoek radio astronomy observatory south africa somewhat frequently. Network stations active stations harl general ilrs. The hartebeesthoek94 datum is the official geodetic datum for south africa. Sansa space operations south african national space agency. Agency, hartebeesthoek radio astronomy observatory. Hartebeesthoek radio astronomy observatory krugersdorp. Incoming date satellite station start data date end data date version status more. Instruments include mkiv, mkv and s2 vlbi terminals, radiometers, a spectrometer and pulsar timer. Telkom sa earth station johannesburg, south africa south africa gauteng krugersdorp world south africa gauteng krugersdorp world south africa gauteng. Hotels, bed and breakfasts and self catering accommodation hartbeespoort. Below is a table of the current site identification schemes for ilrs stations i. Ses 7 formerly known as protostar ii is a telecommunication satellite used to provide highpower directtohome dth, multimedia and digital broadband services to very small aperture terminals vsat located throughout south asia and asiapacific regions including indonesia, india, philippines and taiwan.
The svalbard sgs ground station is located at the svalsat facility in svalbard, norway. Hartebeesthoek hartebeesthoek, gauteng, south africa, africa. The circles show the approximate area over which each station has the capability for direct reception of landsat data. We will ensure that your visit stay is just as unique and special as you are. Hartrao summary hartebeesthoek radio astronomy observatory. Hartebeesthoek radio astronomy observatory wikipedia. Lgs supports both the landsat 7 and landsat 8 missions. Hartebeesthoek, south africa 7503 stations eurolas. The gnss project of hartraos space geodesy programme aims to densify the gnss ground network in and around southern africa and to promote the usefulness of gnss data through research products and capacity building. With the help of your favourite search engine you may have found out by now that hartebeesthoek 1994 is a datum and not a projection.
Aug, 2016 hartebeesthoek radio astronomy observatory, krugersdorp, gauteng. In particular, several studies have used the first method described above for the analysis of thermal variations and related deformations, coupled with their consequent effect on the pointing performance of ground based optical telescopes. Ground station network ssc swedish space corporation. Jonathan quick national research foundation, south. Hartrao stands for hartebeesthoek radio astronomy observatory south africa. The ground uplink station see figure 2 comprises a first part which included the signal generator and the control and safety system and a second part that enables the transmission to artemis upconverter, high power amplifier and antenna. The hartebeesthoek radio astronomy observatory hartrao, located in south africa, has been active for several decades in the various fields of space geodesy and astrometry. It is a national research facility run by south africa s national research foundation. Throughout the 1950s to 1970s lunar and interplanetary missions conducted by nasa had been supported from a tracking station at hartebeesthoek where the first images of mars were received from the mariner iv spacecraft in the first successful flyby of the planet.
The hartebeesthoek radio astronomy observatory hartrao, located near johannesburg in south africa, uses a 26 metre diameter radio telescope for radio astronomy and space geodesy. The gnss project is actively involved in capacity building in southern africa. Llr optical telescope combrinck, 2011 based at hartrao in south africa. South africas first space program started in the 1980s with the. Hartebeesthoek is a farm in gauteng, south africa, africa. The first mars surface images from mariner 4 were received at dss 51. Hartebeesthoek, south africa 7501 stations eurolas data. Usgs eros archive advanced very high resolution radiometer.
In addition to the antennas, hartebeesthoek also operates the south african earth observation satellite, sumbandilasat, and hosts an orbcomm ground station. The austral observing program is an initiative led by the australian auscope vlbi antennas in collaboration with radio telescopes in warkworth, new zealand, and hartebeesthoek, south africa. South africa has been involved on a small scale in the global space arena since the. International ground station igs network the map shows the locations of all active ground stations operated by our us and international cooperator ic ground station network for the direct downlink and distribution of landsat 7 andor landsat 8 data. Sansas ground station in hartebeesthoek started in 1960 and became one of nasas 14 similar satellite tracking and data. The datum was implemented in 1999 when it replaced the cape datum. Every year, sansa earth observation produces a countrywide, true colour composite mosaic image.
The hartebeesthoek radio astronomy observatory of south africa is currently developing a lunar laser ranger llr system based on a one metre aperture telescope in collaboration with national. Apr 09, 2019 hartebeesthoek, south africa nrf, hartebeesthoek radio observatory, yarragadee, australia geoscience australia. Filling the uvgaps of the current vlbi network in africa marcellin atemkenga, patrice m. International laser ranging service ilrs home page. The hartebeesthoek94 coordinate system became the official system in south africa on 1 january 1999 andsupersceded the previous cape datum system of coordinates. A young south african engineer employed there soon initiated a radio. Challenges and progress with the development of a lunar laser ranger for south africa. Gsfc maintains the archival and distribution of the worldwide slr data using the crustal dynamics data information system cddis. As the capacity to send spacecraft beyond earth orbit developed, a deep space. Accommodation in hartbeespoort accommodation south africa.
A preliminary business case has been produced and promises to deliver r15. Acquisition quality is a value, expressed as a single digit number, based on 1 errors encountered during archive processing. The telescope is equipped with microwave receivers operating from 18 cm to 2. Pdf thermal analysis of the llr optical telescope tube.