Amateur Radio News
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Crystal Radio History
Posted: 22 Apr 2016 08:51 AM PDT
http://forums.qrz.com/index.php?thre...istory.520708/
The crystal radio set was part of the history of amateur radio. These
crystal sets were widely used in the 1920s and 1930s, ultimately being
surpassed by vacuum tube / thermionic valve sets as the cost of tubes came
down.
As the antenna provided the power for the headphones, every effort was made
to optimise the crystal radios and as a result many different circuits were
developed.
Check out this short video showing many sets and the crystal detectors used:
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Amateur Radio Newsline Report 2008, April 22, 2016
Posted: 21 Apr 2016 08:25 PM PDT
http://forums.qrz.com/index.php?thre...2-2016.520674/
Amateur Radio Newsline Report 2008, April 22, 2016
Amateur Radio Newsline report number 2008 with a release date of Friday,
April 22, 2016 to follow in 5-4-3-2-1.
The following is a QST. Hams mobilize as Ecuador digs out from a deadly
earthquake. Getting on the air from Brazil just become a whole lot easier
during the Summer Olympic Games. Radio amateurs assist with elections in
West Bengal, India. And a new museum of radio science in the UK competes
for a big prize. All this and more in...
Amateur Radio Newsline Report 2008, April 22, 2016
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The ARRL Letter, April 21, 2016
Posted: 21 Apr 2016 11:51 AM PDT
http://forums.qrz.com/index.php?thre...1-2016.520621/
The ARRL Letter
April 21, 2016
Rick Lindquist, WW1ME, Editor
[Note: Clicking on the story links below will take you to the news article
as it appears in The ARRL Letter on the ARRL website.]
New ARRL CEO Tom Gallagher, NY2RF, Pledges World-Class Service, Openness,
Inclusiveness
EchoLink VoIP...
The ARRL Letter, April 21, 2016
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April 23th: International Marconi Day on the air
Posted: 20 Apr 2016 12:44 PM PDT
http://forums.qrz.com/index.php?thre...he-air.520480/
I wanted to report the 29th annual of the International Marconi Day, a
special radio event on April 23th 2016. This is a 24 hour event held
annually to celebrate the anniversary of wireless pioneer Guglielmo
Marconi’s Birth.
Many special event station will be on the air and some operating from
Marconi related sites and this event is not a contest. Below is a list of
Confirmed International Marconi Day Stations:
http://gx4crc.com/imd-stations/
Best 73s and good luck,
Michele -...
April 23th: International Marconi Day on the air