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04/06/2015 | Slow-Scan TV Transmissions from ISS Scheduled for April 11
Amateur Radio on the International Space Station (ARISS) has announced that slow-scan television (SSTV) transmissions are planned for Cosmonautics Day, Saturday, April 11.
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01/29/2015 | SSTV Transmissions Scheduled from the International Space Station
SSTV Transmissions Scheduled from the International Space Station
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12/19/2014 | Russian ARISS Team Transmitting Slow-Scan TV from the ISS
Russian ARISS Team Transmitting Slow-Scan TV from the ISS.
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12/09/2014 | SSTV Transmissions from the International Space Station Set for December 18 and 20
SSTV Transmissions from the International Space Station Set for December 18 and 20.
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09/04/2009 | The K7RA Solar Update
This week we saw another one of those fast-disappearing sunspots -- it lasted just two days, over the last day of August and the first of September. No other sunspots were observed during the month of August. Sunspot numbers for August 27-September 2 were
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05/22/2009 | The K7RA Solar Update
Do sunspots matter? Many of us are surprised at how good conditions can be with zero sunspots; the weak solar wind and lack of flares and geomagnetic events likely have something to do with it. Many times during the more active solar periods, sunspots wer
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04/03/2009 | The K7RA Solar Update
Our Sun is in the news again, unfortunately not due to any hoped-for activity, but for the eerie quiet instead. The Sun is surprisingly calm by several measurements -- including the large number of spotless days -- with an average 10.7 cm solar flux and l
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12/19/2008 | The K7RA Solar Update
Last week's sunspot group was only visible for three days, December 10-12. The average daily sunspot number for all of 2007 was 12.8; if we see no sunspots for the rest of 2008, the average for this year will be 4.7. By comparison, the yearly averages of
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