Shortwave Shortwave.IT! International media and broadcasting news http://www.allmediainfo.org/international-broadcasting/shortwave.html Fri, 06 Dec 2019 20:16:24 +0000 Joomla! 1.5 - Open Source Content Management en-gb Which Climates Are Best for Passive Cooling Technologies? http://www.allmediainfo.org/international-broadcasting/shortwave/220609-which-climates-are-best-for-passive-cooling-technologies.html http://www.allmediainfo.org/international-broadcasting/shortwave/220609-which-climates-are-best-for-passive-cooling-technologies.html A group of University of California­, San Diego researchers set out to gain a better understanding of the thermal balance of power plants and surfaces, like heliostat mirrors or solar panels, when exposed to both solar (shortwave) and atmospheric (longwave) radiation.]]> info@nexus.org () Shortwave Tue, 25 Jun 2019 18:30:00 +0000 Which climates are best for passive cooling technologies? http://www.allmediainfo.org/international-broadcasting/shortwave/220610-which-climates-are-best-for-passive-cooling-technologies.html http://www.allmediainfo.org/international-broadcasting/shortwave/220610-which-climates-are-best-for-passive-cooling-technologies.html Credit: Carlos Coimbra. WASHINGTON, D.C., June 25, 2019 -- A group of University of California, San Diego researchers set out to gain a better understanding of the thermal balance of power plants and surfaces, like heliostat mirrors or solar panels, when exposed to both solar (shortwave) and atmospheric (longwave) radiation.]]> info@nexus.org () Shortwave Tue, 25 Jun 2019 17:51:00 +0000 Certain climates are better suited for passive cooling technologies http://www.allmediainfo.org/international-broadcasting/shortwave/220611-certain-climates-are-better-suited-for-passive-cooling-technologies.html http://www.allmediainfo.org/international-broadcasting/shortwave/220611-certain-climates-are-better-suited-for-passive-cooling-technologies.html have investigated the role that cloud cover and relative humidity play when surfaces such as solar panels are exposed to shortwave and longwave radiation. To identify the exact role water plays, the team needed to determine how much heat can be rejected to outer space and how much is radiated back by the atmosphere.]]> info@nexus.org () Shortwave Tue, 25 Jun 2019 17:43:00 +0000 Summer Heat & Storms to End the Weekend http://www.allmediainfo.org/international-broadcasting/shortwave/220500-summer-heat-a-storms-to-end-the-weekend.html http://www.allmediainfo.org/international-broadcasting/shortwave/220500-summer-heat-a-storms-to-end-the-weekend.html CHARLESTON, S.C. (WCSC) - We’ll wake up rain-free on Sunday morning, but a bit of shortwave energy could bring us a few scattered afternoon/evening thunderstorms. Sunday afternoon highs will hover in the lower 90’s once again with a mixture of clouds and sunshine.]]> info@nexus.org () Shortwave Sun, 23 Jun 2019 05:04:00 +0000 Breezy northerly winds and increasing fire weather concerns next week http://www.allmediainfo.org/international-broadcasting/shortwave/220372-breezy-northerly-winds-and-increasing-fire-weather-concerns-next-week.html http://www.allmediainfo.org/international-broadcasting/shortwave/220372-breezy-northerly-winds-and-increasing-fire-weather-concerns-next-week.html June 14, 2019 – Cooling trend into Saturday, but more hot weather returns early next week. Isolated afternoon and evening thunderstorms will be possible over higher elevations of the Sierra Nevada through Monday. Discussion. The upper level shortwave which brought some thunderstorm activity in the....]]> info@nexus.org () Shortwave Fri, 14 Jun 2019 16:38:00 +0000 HCMC earmarks $7 million to fight illegal sand mining http://www.allmediainfo.org/international-broadcasting/shortwave/220373-hcmc-earmarks-7-million-to-fight-illegal-sand-mining.html http://www.allmediainfo.org/international-broadcasting/shortwave/220373-hcmc-earmarks-7-million-to-fight-illegal-sand-mining.html The city will set up two sentry posts along the coastal area off its outlying district of Can Gio and two others along the Dong Nai River in District 9. The four posts will be equipped with hi-tech military shortwave radios as well as marine radar system with Automatic Radar Plotting Aids (ARPA)....]]> info@nexus.org () Shortwave Sun, 09 Jun 2019 06:00:00 +0000 HCMC earmarks $7 million to fight illegal sand mining http://www.allmediainfo.org/international-broadcasting/shortwave/220374-hcmc-earmarks-7-million-to-fight-illegal-sand-mining.html http://www.allmediainfo.org/international-broadcasting/shortwave/220374-hcmc-earmarks-7-million-to-fight-illegal-sand-mining.html Ho Chi Minh City will set up two sentry posts along the coastal area off its outlying district of Can Gio and two others along the Dong Nai River in District 9. The four posts will be equipped with hi-tech military shortwave radios as well as marine radar systems with Automatic Radar Plotting Aids....]]> info@nexus.org () Shortwave Sun, 09 Jun 2019 05:15:00 +0000 Amatuer radio operators prep for emergencies http://www.allmediainfo.org/international-broadcasting/shortwave/219610-amatuer-radio-operators-prep-for-emergencies.html http://www.allmediainfo.org/international-broadcasting/shortwave/219610-amatuer-radio-operators-prep-for-emergencies.html Thursday morning local amateur radio operators talked to people on radios in New Hampshire, Maryland, North Carolina and in other states. They say they did this to help them prepare for emergencies. Mike Coslo is the President of the Nittany Amateur Radio Club in State College.]]> info@nexus.org () Shortwave Fri, 24 May 2019 02:33:00 +0000 The Red Cross teams up with local amateur radio operators http://www.allmediainfo.org/international-broadcasting/shortwave/219611-the-red-cross-teams-up-with-local-amateur-radio-operators.html http://www.allmediainfo.org/international-broadcasting/shortwave/219611-the-red-cross-teams-up-with-local-amateur-radio-operators.html The Red Cross says that during a disaster, they actually seek help of radio operators, to help as many people as possible. The Red Cross says with start of hurricane season on June first, they're partnering with the amateur radio relay league and the Nittany Amateur Radio Club.]]> info@nexus.org () Shortwave Fri, 24 May 2019 02:33:00 +0000 'We should get the hell out of here': Ex-diplomat recalls mission to rescue students in Chornobyl disaster http://www.allmediainfo.org/international-broadcasting/shortwave/218745-we-should-get-the-hell-out-of-here-ex-diplomat-recalls-mission-to-rescue-students-in-chornobyl-disaster.html http://www.allmediainfo.org/international-broadcasting/shortwave/218745-we-should-get-the-hell-out-of-here-ex-diplomat-recalls-mission-to-rescue-students-in-chornobyl-disaster.html In the spring of 1986, Hector Cowan, a 38-year-old diplomat at the Canadian embassy in Moscow, got a first clue about the Chornobyl nuclear accident while at the breakfast table, with his wife, Hilda, and three young children. He was listening to the BBC news on a shortwave radio.]]> info@nexus.org () Shortwave Mon, 20 May 2019 10:05:00 +0000 Building checked in threat response http://www.allmediainfo.org/international-broadcasting/shortwave/218452-building-checked-in-threat-response.html http://www.allmediainfo.org/international-broadcasting/shortwave/218452-building-checked-in-threat-response.html Police in Northwest Arkansas responded to a bomb threat against a federal building Tuesday after a person heard the apparent threat while listening to his shortwave radio, officials said. Fayetteville police dispatch logs show that officers responded about 11:45 a.m. to the John Paul Hammerschmidt Federal Building at 35 E.]]> info@nexus.org () Shortwave Wed, 15 May 2019 10:06:00 +0000 Remote Sensing, Vol. 11, Pages 1130: Satellite-based Cloudiness and Solar Energy Potential in Texas and Surrounding Regions http://www.allmediainfo.org/international-broadcasting/shortwave/218097-remote-sensing-vol-11-pages-1130-satellite-based-cloudiness-and-solar-energy-potential-in-texas-and-surrounding-regions.html http://www.allmediainfo.org/international-broadcasting/shortwave/218097-remote-sensing-vol-11-pages-1130-satellite-based-cloudiness-and-solar-energy-potential-in-texas-and-surrounding-regions.html Abstract Global horizontal irradiance (i.e., shortwave downward solar radiation received by a horizontal surface on the ground) is an important geophysical variable for climate and energy research. Since solar radiation is attenuated by clouds, its variability is intimately associated with the variability of cloud properties.]]> info@nexus.org () Shortwave Sat, 11 May 2019 10:17:00 +0000 Listen to Dateline Pacific for 10 May 2019 http://www.allmediainfo.org/international-broadcasting/shortwave/217992-listen-to-dateline-pacific-for-10-may-2019.html http://www.allmediainfo.org/international-broadcasting/shortwave/217992-listen-to-dateline-pacific-for-10-may-2019.html Efforts to refloat a stricken ship in Solomon Islands finally get underway; British MPs debate West Papua; Hopes a new Australian broadcasting boss will restore Pacific shortwave; Chinese investment in Micronesia stirs concern; And, an award-winning Samoan-New Zealand artist is on show. Get the RNZ app.]]> info@nexus.org () Shortwave Fri, 10 May 2019 05:40:00 +0000 Review: SDR Hands-on Book Jan Buiting | May 7, 2019 Author Burkhard Kainka’s inspiring Foreword in the book I’m reviewing here has important clues as to why software defined radio (SDR) is a hit not only among existing radio amateurs. SDR has proven to be http://www.allmediainfo.org/international-broadcasting/shortwave/217872-review-sdr-hands-on-book-jan-buiting--may-7-2019-author-burkhard-kainkas-inspiring-foreword-in-the-book-im-reviewing-here-has-important-clues-as-to-why-software-defined-radio-sdr-is-a-hit-not-only-among-existing-radio-amateurs-sdr-has-proven-to-be-a-great.html http://www.allmediainfo.org/international-broadcasting/shortwave/217872-review-sdr-hands-on-book-jan-buiting--may-7-2019-author-burkhard-kainkas-inspiring-foreword-in-the-book-im-reviewing-here-has-important-clues-as-to-why-software-defined-radio-sdr-is-a-hit-not-only-among-existing-radio-amateurs-sdr-has-proven-to-be-a-great.html Author Burkhard Kainka’s inspiring Foreword in the book I’m reviewing here has important clues as to why software defined radio (SDR) is a hit not only among existing radio amateurs. SDR has proven to be a great promotion tool for the declining radio hobby in general.]]> info@nexus.org () Shortwave Tue, 07 May 2019 16:30:00 +0000 Remote Sensing, Vol. 11, Pages 1059: Real-Time Uncertainty Specification of All Sky Imager Derived Irradiance Nowcasts http://www.allmediainfo.org/international-broadcasting/shortwave/217797-remote-sensing-vol-11-pages-1059-real-time-uncertainty-specification-of-all-sky-imager-derived-irradiance-nowcasts.html http://www.allmediainfo.org/international-broadcasting/shortwave/217797-remote-sensing-vol-11-pages-1059-real-time-uncertainty-specification-of-all-sky-imager-derived-irradiance-nowcasts.html Abstract The incoming downward shortwave solar irradiance is harvested to an increasing extent by solar power plants. However, the variable nature of this energy source poses an operational challenge for solar power plants and electrical grids. Intra hour solar irradiance nowcasts with a high....]]> info@nexus.org () Shortwave Sun, 05 May 2019 10:35:00 +0000