low-gain antenna
81Mars Polar Lander — Artist depiction of Mars Polar Lander on Mars. Operator NASA / JPL Major contractors Martin Marietta …
82Mathematics 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… …
83Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …
84Mars Reconnaissance Orbiter — Conceptual image depicting the Mars Reconnaissance Orbiter in an elliptical low planet orbit around Mars Operator NASA / JPL Major contractors Lockheed Ma …
85Electromagnetic interference at 2.4ghz — can affect various devices.This article details the different users of the 2.4ghz band, how they cause interference to other users and how they are prone to interference from other users.PhoneMany cordless telephones in the US and Canada use the… …
86Pioneer 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=… …
87Ranger 2 — was a flight test of the Ranger spacecraft system of the NASA Ranger program designed for future lunar and interplanetary missions. Ranger 2 was designed to test various systems for future exploration and to conduct scientific observations of… …
88Rosetta space probe timeline — Rosetta is a space probe aiming to rendezvous with the comet 67P/Churyumov Gerasimenko. This page records a detailed timeline of this mission.Timeline2004February*February 16 mdash; Rosetta was placed on top of an Ariane 5 rocket at the Guiana… …
89Voyager 2 — For the phone sometimes referred to as the Voyager 2, see LG enV touch. Voyager 2 Voyager spacecraft Operator …
90STS-37 — Infobox Space mission mission name = STS 37 insignia = Sts 37 patch.png|165px shuttle = Atlantis launch pad = 39 B launch = April 5, 1991, 9:22:44 a.m. EST landing = April 11, 1991, 6:55:29 a.m. PDT, Runway 22, Edwards AFB, Calif. duration = 5/23 …
