(June 2010), 'Angular diameter estimation of interferometric calibrators.ġ960s – Measurement microphones, preamplifiers and calibrators, along with IEC standardised precision sound level meters.Ĭlusters, globular clusters, ICRF2 radio source positions, radio flux calibrators, x-ray sources, quasars, pulsars, and gamma ray sources. Radiopharmaceuticals are called radioisotope dose calibrators - an inexact name for radionuclide radioactivity calibrators, which are used for measurement of radioactivity. (May 2005), 'First results from the ESO VLTI calibrators program', Astronomy and Astrophysics, 434 (3): 1201–1209, arXiv:astro-ph/0501532. Manufacturing pressure calibration equipment - deadweight testers and calibrators - since the 1920s. Television tuners (RadiusTV) video capture cards (VideoVision) color calibrators (PrecisionColor) multi-processor systems (Radius Rocket) for 3D rendering.Ĭaused by smaller exoplanets than what was detectable with traditional calibrators. Sound calibrators normally generate a 1 kHz sine tone 1 kHz is chosen since the A-weighted SPL is equal to the linear level at 1 kHz. ISF-trained calibrators in the techniques necessary to bring video displays in line with established broadcast, DVD, and Blu-ray standards. MODIS utilizes four on-board calibrators in addition to the space view in order to provide in-flight calibration.ģC 286 is one of four primary calibrators used by the Very Large Array (along with 3C 48, 3C 138, and 3C 147). Vibration calibrators, sometimes also called reference shakers, are electromechanical instruments which enable calibration of vibration sensors and measuring. 3C 147 is one of four primary calibrators used by the Very Large Array (along with 3C 48, 3C 138, and 3C 286).ģC 48 is one of four primary calibrators used by the Very Large Array (along with 3C 138 and 3C 147, and 3C 286).

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