protect an antenna from atmospheric precipitation
1Quezon, Isabela — Infobox Philippine municipality infoboxtitle = Municipality of Quezon sealfile = Quezon isabela.png locatormapfile = Ph locator isabela quezon.png| caption = Map of Isabela showing the location of Quezon. region = Cagayan Valley (Region II)… …
2Mars Exploration Rover — Artist s conception of rover on Mars Part of a panorama taken by the Spi …
3Lightning rod — A lightning rod (USA) or lightning conductor (UK) is a single component in a lightning protection system. In addition to rods placed at regular intervals on the highest portions of a structure, a lightning protection system typically includes a… …
4Spirit rover — (MER A) Artist s concept of Rover on Mars Operator NASA Mission type Rover Launch date …
5Line source — A line source is a source of air, noise, water contamination or electromagnetic radiation that emanates from a linear (one dimensional) geometry. The most prominent linear sources are roadway air pollution, aircraft air emissions, roadway noise,… …
6Harrisburg, Pennsylvania — Harrisburg redirects here. For other uses, see Harrisburg (disambiguation). Harrisburg   City   City of Harrisburg …
7Opportunity rover — (MER B) Opportunity in April 2003 Operator NASA Mission type Rover …
