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SM2FOB Ham Radio

Kjell SM2FOB (ex SM0FOB) QTH BODEN KP05vs SWEDEN - ITU18 WAZ14

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Beware of Plasma TV´s

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HP 1741A Oscilloscope

February 28, 2012

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Mini Boombox

February 10, 2012

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Receiving PJ4C Bonaire 2012

January 18, 2012

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Winter Antenna

January 17, 2012

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Archives and TS-430S

January 04, 2012

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What a Flight!

December 14, 2011

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A Short Ham Radio Trip

November 29, 2011

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It´s Dark Outside

September 30, 2011

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SAC - Scandinavian Activity Contest CW

September 19, 2011

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Hunting Schumann Resonances

September 16, 2011

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Last Mission

August 18, 2011

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NAC 144 MHz August 2011

August 03, 2011

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Arkiv

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    Receiving Japan on 50 MHz

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2009 86
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Popular Posts

Bugs

I enjoyed very much reading "Infested with Bugs" by Mike Ferro, N6GND in the February 2011 issue of CQ Amateur Radio . It is about how to adjust and operate three different kind of bug cw keyers. I have two bugs in my possession. I have never used them. Because they looked too complicated I believe. This bug, the BUG 140 , manfactured by a Swedish company in the 1940´s is a copy of the American MAC Key bug. This bug is also a Swedish one, built by SM4WAW, Karlo Eleven. Yesterday I was invited to have lunch with Göran, SM5XW and his XYL and also some of their friends. Göran is a former chairman of the Swedish Amateur Radio Society, SSA . Göran lives a walking distance from my QTH and he told me that Ingemar, SM0AIG would be there. Ingemar is the editor of the SSA web site. He is also the President of the Swedish High Speed Club, SMHC . I happened to know that Ingemar can operate a bug. So I brought with me my two bugs hoping that Ingemar maybe could show ...

NAC 432 MHz

Yesterday evening, June 8, it was time for the monthly NAC Tuesday contest, this time on 432 MHz. As on the NAC 144 MHz I choosed a location in the QTH locator square JO98. This time on the Muskö island. The island is connected to the mainland by a long road tunnel below (!) sea level in the Baltic sea. I was active for only 2 hours. Not so many mosquitos this time and I heard the Corncrake bird (kornknarr) for the first time in my life. The conditions were not so good and the QTH, almost at sea level, is not so suitable for working UHF. Musköbasen , one of the largest underground naval bases in the world was built on Muskö island during the cold war in the 60´s. Nowadays the the ship maintenace work is privatized and the Swedish Navy still have some activities there. The former navy center on Muskö is moved to Karlskrona in southestern Sweden. Photo credit Kockums AB.

Space Antennas

Two weeks ago I did visit the exhibition NASA - A Human Adventure at the Technical Museum in Stockholm, Sweden. An exhibition with not only scale models from space exploration history, but also full scale models that cannot be distinguished from the original ones. As a radio amateur I had special interest in some of the antennas being shown :-) This is the Russian Lunokhod (Moon walker) with is solar panel lid flung open. One antenna half is an ordinary helix UHF antenna, but what is the purpose of the other half? Anyone knows? The Lunar Rover´s umbrella antenna has a black strange object at its back. What is it? Update 6 April, 2011 It is possible to download from NASA the Lunar Rover Operations Handbook . On page 119 there is a drawing explaining that the black object is an optical sight. This is Sputnik 1, the first satellite, weight 83 kg and diameter 58 cm. From Wikpedia I found following information about its antennas. The satellite carr...

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