This high-definition video shows the Sun in the 171-angstrom wavelength of extreme ultraviolet light. It covers a time period of January 2, 2015 to January 28, 2016 at a cadence of one frame every hour, or 24 frames per day. This timelapse is repeated with narration by solar scientist Nicholeen Viall and contains close-ups and annotations. The 171-angstrom light highlights material around 600,000 Kelvin and shows features in the upper transition region and quiet corona of the Sun.
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Icom UK are pleased to provide this introduction to Icom’s new licence free IP advanced radio system that uses common Wi-Fi network products as its infrastructure. The video, introduc... Read more
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Kenwood TPZ-D553 Product name TPZ-D553TPZ-D553SCH: lithium-ion battery KNB-74L (7.4V / 1100mAh) standard accessory TPZ-D553MCH: lithium-ion battery KNB-75L (7.4V / 1800mAn) standard accessor... Read more
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Ohio ARES members stared down “Snowmageddon” 2019, the mid-January blizzard that blanketed the lower Great Lakes region. Based on ominous forecasts and discussion with Assistant SECs across... Read more
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The SSB version of ARRL Rookie Roundup is back on Sunday, April 19. The event gets under way at 1800 UTC and continues through 2359 UTC. For the purposes of this operating event, a “R... Read more
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A brief over view of differences between the AnyTone NSTIG-8R versus the BaoFeng UV-5R. This video highlights primarily the feature differences. Performance differences will be highli... Read more
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Cushcraft A4S A4S Four Element Beam – 10, 15 & 20 Meters A4S is the true, high performance tribander. Precisely tuned high-power traps, carefully selected element lengths, and p... Read more
Chameleon F-Loop TOTAL! Kit and CHA Single Loop The CHA F-LOOP 2.0 was designed with portability, ease of use simplicity, ruggedness and high performance in mind. Unlike any other similar an... Read more
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“The Baofeng UV-5R Radio, just about every ham active on VHF/UHF has one. With a purchase price of around $30, you get a lot for your money. But on August 1, 2018 the FCC isued a Citat... Read more
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Discover the BIG SIGNAL DX-Quad antenna , this new design of a single element Multi-Band Quad covers up to 5 bands in HF from 10 to 20 meters. An incredible high-performance bi-directional a... Read more
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The University of Louisiana (UL) at Lafayette student-built CAPE-3 satellite was launched on January 17. A 1-U CubeSat, CAPE-3 includes a “digipeater and experimental UHF adaptive... Read more
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Hello radio enthusiasts, today we’d like to announce the release of the next version of OpenWebRX, your SDR web server that just got a little bit more convenient. This release introduc... Read more
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The FCC has issued a Citation and Order (Citation) to Amcrest Industries, LLC(formerly Foscam Digital Technologies, LLC), an importer and marketer of popular and inexpensive Baofeng hand-hel... Read more
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“As we mentioned in our press release today, we are super excited to share that we have hired John Stanford as the newest member of our leadership team. John has a rich background in c... Read more
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WSJT-X version 2.4.0 has introduced a new digital protocol called Q65, which is designed for “minimal two-way QSOs over especially difficult propagation paths,” the Quick Start Gui... Read more
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 of Our Sun in Action){kind=link}