Home » Archive by category "Amateur Radio" (Page 2)

Giant Sunspot May Cause Massive Solar Storms

The largest sunspot to appear on Earth’s nearest star in more than two decades is once again pointed at the planet, and it will likely kick-start solar storms, NASA scientists say. The massive sunspot, previously known as Active Region 12192, was turned toward Earth in...
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Understanding LF and HF Propagation Free Ebook

In 2008/2009 Alan Melia G3NYK and I wrote a series of features on understanding LF and HF propagation for the Radio Society of Great Britain’s (RSGB) “RadCom” magazine. My features consisted of a month-by-month look at each HF band in turn, showing the reader the...
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Mixer For Better Audio Send And Receive

I tried this as a little project over the weekend. Since the arrl had a ssb contest over the weekend. http://www.arrl.org/sweepstakes I used the mixing board that my band and I use when we practice at my house called mackie mixer but the behringer mixer...
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Fletcher Munson Curves In Ham Radio

The Fletcher Munson curves are one of many sets of equal-loudness contours for the human ear, determined experimentally by Harvey Fletcher and Wilden A. Munson, and reported in a 1933 paper entitled “Loudness, its definition, measurement and calculation” in the Journal of the Acoustic Society...
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Largest Sunspot In a Quarter Century Spews Flares

The largest sunspot seen in about a quarter century has produced another powerful X-class flare today, the sixth in less than a week. “This was the sixth X-class solar flare from NOAA 2192, a record for the number of X-class flares generated by a single...
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KK6OTD Actor Tim Allen Gets His Ham License

Actor Tim Allen, left, who portrays a ham (KAØXTT) on his hit ABC-TV comedy “Last Man Standing,” has earned a real-life amateur license, according to the show’s producer, John Amodeo, NN6JA. Allen is now licensed as KK6OTD. Amodeo also reported on the successful running of the second “K6H Hollywood Celebrates...
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National Wildlife Refuge Special Events Set for October 14-20

Amateur Radio operators will be on the air October 14-20 to let the public know about the National Wildlife Refuge System by operating from refuges around the US during National Wildlife Refuge Week. They will be highlighting refuge features, wildlife, and geography while contacting other...
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ARRL Simulated Emergency Test Set for October 4-5 Weekend

The national ARRL Simulated Emergency Test (SET) is slated for the October 4-5 weekend, although the window for local and regional exercises is September 1 through November 30 each year. All groups conduct their events over the course of 48 hours. The SET is a...
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