{"id":45453,"date":"2020-09-20T08:09:00","date_gmt":"2020-09-20T12:09:00","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=45453"},"modified":"2020-09-20T08:09:00","modified_gmt":"2020-09-20T12:09:00","slug":"radio-waves-a-calm-solar-cycle-25-wwj-history-czech-radios-digital-only-future-and-uk-ham-radio-exam-stats","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2020\/09\/radio-waves-a-calm-solar-cycle-25-wwj-history-czech-radios-digital-only-future-and-uk-ham-radio-exam-stats\/","title":{"rendered":"Radio Waves: A “Calm” Solar Cycle 25, WWJ History, Czech Radio’s Digital-Only Future, and UK Ham Radio Exam Stats"},"content":{"rendered":"

\"\"<\/a><\/p>\n

Radio Waves:\u00a0 Stories Making Waves in the World of Radio<\/h2>\n

Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest\u00a0SWLing Post<\/em>\u00a0readers.\u00a0 To that end:\u00a0Welcome to the\u00a0SWLing Post\u2019s<\/em> Radio Waves<\/em>, a collection of links to interesting stories making waves in the world of radio.\u00a0<\/strong>Enjoy!<\/strong><\/p>\n

Many thanks to\u00a0SWLing Post<\/em> contributors Ron, Mike, and the Southgate ARC for the following tips:<\/p>\n

\n

As Disasters Roil Earth, A New Sun Cycle Promises Calmer Weather \u2014 In Space (NPR)<\/a><\/h3>\n

Giant flares and eruptions from the sun can cause space weather, and stormy space weather can interfere with everything from satellites to the electrical grid to airplane communications. Now, though, there’s good news for people who monitor the phenomenon \u2014 the sun has passed from one of its 11-year activity cycles into another, and scientists predict that the new cycle should be just about as calm as the last.<\/p>\n

That doesn’t mean, however, zero risk of extreme weather events. Even during the last, relatively weak solar cycle, drama on the sun triggered occasional weirdness on Earth like radio blackouts, disruptions in air traffic control, power outages \u2014 and even beautiful aurorae seen as far south as Alabama.<\/p>\n

Over each solar cycle, the roiling sun moves from a relatively quiet period through a much more active one. Researchers monitor all this activity by keeping an eye on the number of sunspots, temporary dark patches on the sun’s surface. These spots are associated with solar activity like giant explosions that send light, energy, and solar material into space.<\/p>\n

Counting of sunspots goes back centuries, and the list of numbered solar cycles tracked by scientists starts with one that began in 1755 and ended in 1766. On average, cycles last about 11 years.<\/p>\n

Based on recent sunspot data, researchers can now say that so-called “Solar Cycle 24” came to an end in December of 2019. Solar Cycle 25 has officially begun, with the number of sun spots slowly but steadily increasing.[…<\/a>]<\/p><\/blockquote>\n

WWJ in Detroit: A 2020 Centennial Station (Radio World)<\/a><\/h3>\n

Iconic AM station just celebrated the 100th anniversary of its first broadcast<\/strong><\/p>\n

It was shortly after World War I that Clarence Thompson, a partner of Lee de Forest, formed a new company Radio News & Music Inc. in New York. His goal was to encourage newspapers to broadcast their news reports by wireless, using de Forest transmitters.<\/p>\n

The franchise offer \u2014 available to only one newspaper in each city \u2014 offered the rental of a de Forest 50-watt transmitter and accessories for $750. Just one newspaper signed up for the deal; it was the Detroit News, led by publisher William E. Scripps.<\/p>\n

He had been interested in wireless since investing in Detroit experimenter Thomas E. Clark\u2019s wireless company in 1904. Scripp\u2019s son, William J. \u201cLittle Bill,\u201d was an active ham radio operator, operating a station in the Scripps home.<\/p>\n

People Might Laugh<\/strong><\/p>\n

Scripp proposed accepting the Radio News & Music offer and building a Detroit News radio station in 1919, but he met resistance from his board of directors. It was not until March of 1920 that he was given the go-ahead to sign a contract.<\/p>\n

The de Forest transmitter was shipped to Detroit on May 28, 1920, but was lost in transit; a second transmitter was constructed and sent on July 15. This delayed the installation of the station until August.[<\/span>…<\/a>]<\/span><\/h3>\n<\/blockquote>\n

Czech Radio has expanded DAB + coverage to 95 percent of the population and announced the switch-off of medium waves (Digitalni Radio)<\/a><\/h3>\n

NOTE: This is a machine translation of the original post in Czech.<\/strong><\/p>\n

Czech Radio has entered another, important phase of radio digitization. To date, the ?Ro DAB + multiplex signal has reached 95% population coverage. Ten new transmitters were launched in Bohemia and Moravia. You can find a detailed description of them below.<\/p>\n

DAB + technology is becoming a common distribution channel for Czech Radio, which will be placed on the same level as analogue FM \/ FM broadcasting. All marketing activities will already include the “DAB + More Radio” logo. ?esk\u00e9 Radiokomunikace is planning to start certification of receivers next year in order to protect customers and facilitate orientation in the range for them and retailers.<\/p>\n

According to the CEO of Czech Radio, Ren\u00e9 Zavoral, the public service media is proceeding in accordance with a long-term strategic plan. The head of communication and press spokesman Ji?\u00ed Ho\u0161na describes the step as a turning point that can affect the direction of the entire radio market.[…<\/a>]<\/p><\/blockquote>\n

UK amateur radio exam report released (Southgate ARC)<\/a><\/h3>\n

The RSGB Examinations Standards Committee (ESC) report covering 2019 is now available for anyone to download<\/p>\n

The report contains statistics for the both the RSGB amateur radio exams and the Air Cadets Organisation (ACO) exam which Ofcom considers to be equivalent to the RSGB Foundation.<\/p>\n

Ofcom has been concerned about the participation of women in amateur radio and STEM disciplines. They requested the ESC to publish figures for the number of women taking the exams. Unfortunately the results are disappointing with only 9.9% of all exams being taken by women.<\/p>\n

Download the ESC report from
\nhttps:\/\/rsgb.org\/main\/blog\/examination-standards-committee-reports\/2020\/09\/18\/examinations-standards-committee-report-2020-for-activities-during-2019\/<\/a><\/p><\/blockquote>\n

\n

Do you enjoy the SWLing Post?<\/em><\/strong><\/span><\/h1>\n

Please consider supporting us via\u00a0Patreon<\/span><\/a>\u00a0or our\u00a0Coffee<\/span>\u00a0Fund<\/span><\/a>! <\/em><\/strong><\/p>\n

Your support makes articles like this one possible. Thank you!<\/em><\/p>\n

\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Radio Waves:\u00a0 Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest\u00a0SWLing Post\u00a0readers.\u00a0 To that end:\u00a0Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a collection of links to interesting 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