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Radiation Pattern Measurements Of The Nasa Mars Science Laboratory UHF Entry Antenna Using A Spherical Near-Field Range
2013-08-29 12:43:47| rfglobalnet News Articles
Measurements of a conical micro-strip Wraparound™ antenna array mounted on a portion of the entry vehicle for NASA’s Mars Science Laboratory mission were completed at Nearfield Systems, Inc.’s new spherical near-field range facility. The Wraparound™ antenna, designed and manufactured by Haigh-Farr, Inc., provides nearly full spherical coverage and operates in the UHF frequency band for telecommunications to orbiting assets at Mars. A summary of the measurements techniques and results are presented, along with a comparison of the measured and calculated patterns. By Paula R. Brown, David Farr, John Demas, and Jesus A. Aguilar
Tags: range
science
entry
mars
California wildfire heads deeper into Yosemite, entry road closed
2013-08-29 06:25:00| Climate Ark Climate Change & Global Warming Newsfeed
Reuters: Firefighters determined to keep a massive blaze from raging into the heart of California's Yosemite National Park have shut down half of its main east-west corridor, just days before a holiday weekend marking the end of the peak summer tourist season. A long stretch of Tioga Road through the western half of the park was closed on Wednesday as fire crews tightened their grip on the blaze, extending containment lines around 30 percent of the wildfire's perimeter by the end of its 12th day. The...
Tags: road
entry
california
closed
Cathay Pacific Says Jetstar Entry to Hurt Hong Kong Aviation
2013-08-26 15:28:52| Airlines - Topix.net
Cathay Pacific Airways Ltd., seeking to bounce back from its lowest profit in at least 15 years, said allowing foreign airlines to share Hong Kong's traffic rights would damage the city's economy as a Qantas Airways Ltd. venture seeks to start a budget carrier.
CBP Announces Test For Residual Cargo Entry
2013-08-26 10:00:00| Expeditors Newsflash - Americas Edition
Expeditors Newsflash - Americas Edition
Tags: test
entry
cargo
announces
Greenpeace Icebreaker Denied Entry into Kara Sea to Protest Oil Exploration
2013-08-22 00:02:00| Climate Ark Climate Change & Global Warming Newsfeed
Nature World: Russia has blocked the entry of a Greenpeace boat into its waters, the environmental activist group said Wednesday, suggesting that its attempts to stage a peaceful protest were blocked in order to hide the extent of a oil exploration program in operation by Exxon Mobil and Russia's energy giant Rosneft. Greenpeace said its icebreaker Arctic Sunrise was repeatedly denied entry into the portion of the Kara Sea where the joint oil exploration endeavor is underway offshore north of western Siberia....
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