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Propagation
(13 articles)
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"The Bands are Dead"If I had a dollar for every time I have heard someone make the remark “the bands are dead” I’d have enough to purchase a second transceiver. The bands are not “dead” although signal levels are down and DX...
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Numerous research papers covering the ionosphere and sporadic-E exist online - too many to list here. The papers below are those which I have found use in, are currently "hot topics" in the field, or newly posted online. Listing here does not necessarily mean that the...
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Sporadic E is an unpredictable natural phenomenon the occurs in the E region of the ionosphere. This phenomenon is best known to hobbyists by the resultant radio wave propagation that occurs.While sporadic E is unpredictable, numerous correlations and observations have been made, by...
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GEOMAGNETIC STORM: A CME hit Earth's magnetic field on Sept. 9th, and the impact ignited a geomagnetic storm, in progress. Northern Lights have since been spotted...
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Northern and Central Africa active on 10m on October, 31., 2010 Nord-Süd-Linien offen auf 10m am 31.10.2010 Contesting means checking propagation condx. On October, 31., 2010, starting on 10:40 UT, 10m was open from South to North. Contact was possible and made with...
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THE SUN – Learn more about the sun 2ndReaching my age of 60 years in april 2010, I've been asked by members of editors staff in German Sonntagsmedien-Verlag (SMV) in Hannover, ifI had a special wish. Well, I said, if you will enjoy me by doing a great pleasure, I'd like...
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THE SUN – Learn more about the sun 1st Recently I sent an e-mail to the well-known NASA/ESA-Team of SOHO, SOlar and Heliospheric Observation, asking some questions. They were very quick and answered very soon. Thank you, SOHO, on this way. And I got the information to read...
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When will Hams become more active on ten? Russian District Award – today: big guns only! Round about 10:00 UT I've been watching Ham radios' ten meters range. I found rather poor propagation one month before summertime is ending. Ok, there were some russian big guns on air...
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Here we take a little more in depth look at using meteors for communication. While it is possible to make completely random contacts using meter scatter, it is very tough. First, many of the “pings” are of such short duration you just cannot hear anything usable. Second, getting two...
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Meteor scatter using WSJT (part 1) The Perseids is just past and it reminded me that many are missing out on the thrill of operating meteor scatter on VHF. Hundreds of QSO’s took place during the Perseids this year and most of them used WSJT, a free sound card software package by...
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