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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Comparing The ICOM IC-705 HF QRP & ICOM IC-7300 Transceivers Read more
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His body ravaged by chemotherapy treatments, retired radio engineer John Kanzius spent months in his basement in 2003 cobbling together a makeshift tumor-killing machine. Kanzius had no medi... Read more
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Announcing the BTECH GMRS-V1 We are excited to announce the most flexible GMRS radio, the BTECH GMRS-V1. The GMRS-V1 includes 23 modifiable channels for GMRS and 105 scanner memories. Unique... Read more
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by Andrew Jones China’s Chang’e-4 lander and rover are scheduled to launch in December this year to perform the first ever soft-landing on the far side of the Moon, but the missi... Read more
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A recent BBC news article regarding a synthetic aperture radar (SAR) contract award for operation within the 70 centimeter band has raised some concern within the Amateur Radio commun... Read more
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![Ground Plane Antennas [ “ARRL The Doctor is In” podcast ]](https://qrznow.com/wp-content/uploads/2018/12/a-ground-plane-antenna-for-noaa-weather-stations-190x122.jpg)
Ground Plane Antennas “Ground Plane Antennas” is the topic of the new (December 20) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!Sponsored by DX Engineering, “ARRL... Read more
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Will Hara Arena still be open when it’s time for the 2016 Dayton Hamvention®? That is the basic question being faced by the Dayton Amateur Radio Association (DARA), the owners of Hara... Read more
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An Intro and Antennas – Nuts and Volts Magazine by H. Ward Silver Read Full Article: Read more
Your latest requests have been for an antenna that’s easy to setup, needs no radials, covers 10m-80m in addition to all the WARC bands and uses the same GAP technology found in our other pro... Read more
A wildfire in Alberta, Canada, that began unremarkably on May 1 as “MWF-009” soon ballooned into a major, fast-moving conflagration, owing to hot, dry weather, high winds, and low humidity,... Read more
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The 2016 AMSAT Space Symposium will be held aboard a commercial cruise ship departing from the port of Galveston, Texas. Sail dates are November 10-14 aboard the Carnival Liberty. Galveston... Read more
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The 7-CALL Amateur Radio Club (JS1YEY) based in Tokyo is celebrating its 30th anniversary with a special event station, using the call sign 8J17CALL. This is a new call sign prefix. The even... Read more
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Magnetic Receive Loop Antenna Rob Fissel, K2RWF shares his testing of the DX Engineering RF-PRO-1B Active Magnetic Receive Loop Antenna. Pixel Technologies Active Magnetic Loop Antennas are... Read more
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![Tips on using Coaxial Cable [ ARRL So Now What? ]](https://qrznow.com/wp-content/uploads/2019/07/HTB1l28nHFXXXXaVaXXXq6xXFXXXs-1-190x122.jpg)
Here you can find further information on topics discussed in this episode: ARRL on Feed Lines Coaxial Cable info Read more
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 of Our Sun in Action){kind=link}