antenna field gain
61Ulysses (spacecraft) — Infobox Spacecraft Name = Ulysses Caption = Ulysses spacecraft Organization = NASA/ESA Major Contractors = Mission Type = Orbiter Flyby Of = Jupiter Satellite Of = The Sun Launch = 6 October 1990 Launch Vehicle = OV|103, STS 41 Decay = Mission… …
62Opportunity rover — (MER B) Opportunity in April 2003 Operator NASA Mission type Rover …
63Signal strength — In telecommunications, particularly in radio, signal strength refers to the magnitude of the electric field at a reference point that is a significant distance from the transmitting antenna. It may also be referred to as received signal level or… …
64Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
65Pioneer 11 — Infobox Spacecraft Caption= Pioneer 11 at Saturn (artist s impression) Name= Pioneer 11 Mission Type= Fly by, Deep Space Flyby Of= Jupiter, Saturn, Outer Solar System Mass= 259 kg Organization= Ames Research Center NASA Launch Vehicle=… …
66Phased array — This article is about general theory and electromagnetic phased array. For the ultrasonic and medical imaging application, see phased array ultrasonics. In wave theory, a phased array is a group of antennas in which the relative phases of the… …
67Wardenclyffe Tower — (1901 ndash; 1917) also known as the Tesla Tower, was an early wireless telecommunications aerial tower designed by Nikola Tesla and intended for commercial trans Atlantic wireless telephony, broadcasting, and to demonstrate the transmission of… …
68Deep Space Network — This article is about the deep space communication network of JPL and NASA. For the network of low cost interplanetary trajectories, see Interplanetary Transport Network. Deep Space Network …
69Mars Polar Lander — Artist depiction of Mars Polar Lander on Mars. Operator NASA / JPL Major contractors Martin Marietta …
70List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …
