Radiotelescoop Dwingeloo / CAMRAS - PI9RD
Radio Telescope Dwingeloo / CAMRAS - PI9RD

Glossary

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  • Technique in which multiple telescopes are coupled to make a large virtual telescope, e.g. the 14 dishes in Westerbork
  • Netherlands Institute for Radio Astronomy
  • amateur television
  • Central European Summer Time = UTC+02:00
  • Central European Time = UTC+01:00
  • small satellite about a liter in size
  • Dutch Amateur Radio Union
  • digital amateur television
  • phenomenon that free electrons between radio source and observer slow down radio waves with lower frequencies more than waves with higher frequencies
  • hardware extension of computer to connect to USB bus
  • electroencephalography: method to measure electrical activity of the brain
  • Earth-Moon-Earth, bouncing radio messages via the Moon
  • European Conference on Amateur Radio Astronomy
  • planet outside our solar system orbiting around another star than the sun
  • General Data Protection Regulation
  • sudden decrease of the rotation period of pulsars
  • French radar system at 143.050 MHz that detects satellites and calculates their orbits (Grand Réseau Adapté à la Veille Spatiale)
  • High Frequency: the shortwave band, which runs from 3 to 30 MHz
  • Japan Aerospace Exploration Agency https://global.jaxa.jp/
  • Joint Institute for VLBI (Very Long Baseline Interferometry) in Europe
  • Jamboree On The Air, worldwide scouting event where scouts connect with each other with the help of radio amateurs
  • Jamboree On The Internet, international scouting event
  • Jet Propulsion Laboratory, NASA research and development center managed by the California Institute of Technology (Caltech)
  • Dutch astronomy association for youth aged 8 to 21
  • Royal Netherlands Association for Meteorology and Astronomy
  • Long Range data communication over long distances with little power, intended to connect all kinds of devices
  • making a radio connection via the moon; also called Earth-Moon-Earth connection (EME)
  • bungalow, former director's residence on ASTRON site, at Oude Hoogeveensedijk 6 in Lhee (near Dwingeloo)
  • shift in self-awareness that astronauts experience as a result of seeing the Earth from space
  • call sign of CAMRAS radio amateurs in the Dwingeloo Radio Telescope in the period 2007-2024, thereafter PI9RD
  • call sign of CAMRAS radio amateurs in the Dwingeloo Radio Telescope from 2025
  • remnant of a medium-heavy star at the end of its life after a supernova explosion; also neutron star
  • radio connection between two radio amateurs
  • very accurate atomic clock
  • radio wavelength range between 2 and 4 GHz (15 and 7.5 cm)
  • Software Defined Radio, radio receiver created by a software program
  • Stichting Radiostraling van Zon en Melkweg, precursor of ASTRON, Netherlands Institute for Radio Astronomy
  • open source planetarium program for computer
  • two-line element, two lines of orbit data for objects in orbit around the earth
  • 'transceiver' is a combination of the words 'transmitter' and 'receiver', a device that can both transmit and receive.
  • electronics to send and receive at a higher or lower frequency
  • coordinated universal time, primary time standard, equivalent to Greenwich Mean Time within one second
  • VLBI Data Interchange Format, standardized VLBI raw-data format, compatible with the used recording systems of both telescopes and with the network transmission
  • Dutch section of the International Amateur Radio Union (IARU)
  • Technology to moon bounce still images, co-developed by CAMRAS volunteers. The name Visual Moonbounce was suggested Daniela De Paulis, who is also known as Sophie Lucas.
  • Very Long Baseline Interferometry, interferometry using multiple radio telescopes at a great distance from each other
  • Dutch Association of Radio Amateurs
  • Software-Defined Radio receiver connected to the internet, allowing many listeners to listen and tune it simultaneously
  • Weak Signal Communication Software by Joe Taylor (K1JT)