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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Rajesh Vagadia VU2EXP is well-known as the West India Zone Regional Coordinator for AMSAT-INDIA. Over the years he has done a great of educational outreach explaining and demonstrating amate... Read more
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A new UK 134GHz DX record was set by Ian, G8KQW and John, G8ACE, who achieved 35.6km on 16 January, over a line of sight path between Cheesefoot Head and Chute Causeway. Signals were 10dB ab... Read more
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“The Sun ramps up excitement this week with a very familiar dance partner. A huge coronal hole that sent us 3 solar storms over the past 3 months is back yet again. It has survived its... Read more
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DCU-3 Programmable Rotator Controller6 Programmable memories; Point & shoot and manual control!DCU-3 Digital Controllers feature six presets for beam headings, 1 degree accuracy and gi... Read more
DX Engineering carries the NTE Low Temp Solder Wire Connectors. All you need is a heat gun to make solder connections between wires. Four sizes for wires ranging from 24 through 10 AWG. Chec... Read more
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DXtreme Software™ has released a new version of its popular logging program for radio monitoring enthusiasts: DXtreme Monitor Log 11. Monitor Log 11 lets listeners and DXers log the stations... Read more
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“Part 2 of my look at the Chameleon MPAS 2.0 Modular Portable Antenna System. I set the antenna up in the horizontal NVIS (Near Vertical Incidence Skywave Propagation) configuration an... Read more
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Radio hams asked for LightSail reports Jason Davis @jasonrdavis reports that LightSail, call sign KK6HIT, started deploying its solar sail at 1947 UT on June 7, 2015 A fully deployed sail... Read more
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The DUC/DDC transceiver SunSDR-MB1 – this is a new generation of amateur radio. Transceiver combines a classic design, accumulated many decades, with the most advanced DUC/DDC S... Read more
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F5VIH. KM3T. PY1NB. These strings of letters and numbers aren’t license plate numbers but call signs. They belong to a handful of Ham radio operators, just three of the more than 2 million a... Read more
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![[UPDATE] Juan de Nova DXpedition 2016](https://qrznow.com/wp-content/uploads/2015/06/209-PIC-JUAN-de-NOVA-Island-190x122.jpg)
Juan de Nova Arrangements for our next operation to Juan de Nova island are ongoing. We began the logistic operations by conditioning part of the equipment which will be implemented and we f... Read more
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ARRL has introduced three new e-books to its growing digital library. The newest titles available in the popular Amazon Kindle format include Work the World with JT65 and JT9 by ARRL author... Read more
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New research suggests that our Sun is capable of releasing huge superflares 1,000 times more powerful than anything we’ve ever seen – and if one was aimed towards Earth, it would have... Read more
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HYS TC-MAUV11 Product Detail Basic Info Model NO.: TC-MAUV11 Type: Vehicle Mouted Function: Mobile Radio Place of Origin: Fujian, China (Mainland) Brand Name: Hys Vehicle Radio Model Number:... Read more
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