Victor, ... Set up a path from W6 to Norway in mid February (I used an SSN of 50). This path is along the terminator at around 1500 UTC. Run Method 30 and...
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k9la@...
Sep 16, 2010 1:50 am
Victor, ... If I remember correctly, the old Propman program offered by Rockwell-Collins linked to the Internet. And I think Proplab Pro V3 (from the Solar...
Click link ---> http://news.sciencemag.org/sciencenow/2010/09/say-goodbye-to-sunspots.html 73, de Hans, K0HB -- "Just a boy and his radio" -- Proud Member of: ...
Hello Carl, ... Will investigate that. ... I understand, it is such a environment (like the atmospheric boundary layer) where things are more statistical then...
Check this out: http://dx.qsl.net/propagation/greyline.html 73' Bob WB3DYE In a message dated 9/15/2010 3:49:48 P.M. Eastern Daylight Time, ei8gwb@......
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k9la@...
Sep 19, 2010 9:34 pm
Victor, ... That is correct - our understanding of the ionosphere is statistical in nature. ... Correct again. Unfortunately another problem is the ionsophere...
Scary stuff from Kitts Peak observatory http://arxiv.org/abs/1009.0784v1 73, de Hans, K0HB -- "Just a boy and his radio" -- Proud Member of: A1 Operators -...
We studied Zeeman splitting when I took astrophysics in college. Good to see that knowledge is useful for something! ... I hope the predictions aren't true. If...
Lets hope the sun is not building up to something bad. Read the following: http://science.nasa.gov/science-news/science-at-nasa/2008/06may_carringtonfl are/ ...
BIG SUNSPOT GETS BIGGER: Behemoth sunspot 1117 is not merely growing, it is transmogrifying. (Look that one up guys.) "Since yesterday, the shape-shifting...
Hello all of you, Do people know if their are SDR (Software Defined Radios) software that can take part in propagation measurements? I am thinking of buying an...
Hello all of you, I just found another propagation program (VOAProp) which has the nice feature that it retrieves the solar parameters form the web (SFI, K and...
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k9la@...
Mar 20, 2011 7:44 pm
Victor, ... I didn't see a group reply to your question. Perhaps you received some personal replies. The model of the F2 region of the ionosphere in our...
Hello Carl, ... Understand. I even understand the CAP model is optimised for inputting the monthly number (and this monthly number is the averaged number of 6 ...
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k9la@...
Mar 24, 2011 12:11 am
Victor, ... I believe the developers of the model of the F2 region that is used in our propagation prediction programs had all the daily data they needed. My...
Hello Karl, ... But I think the inaccuracy (or different s-point to dBm) should not be a reason for not including this in a program;-). If possible would be ...
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k9la@...
Mar 27, 2011 12:59 pm
Victor, ... Yes, I believe the FlexRadios (at least the 5000A is) are calibrated to the old Collins Radio standard of S9 = 50 uv = -73 dBm, and each S-unit is...
http://www.nrc.nl/nieuws/2011/07/08/video-het-poollicht-verklaard/ Click on the video for this clip on how the pole lights happens.. All the best, Victor ...
http://iconicphotos.wordpress.com/2011/07/13/astrophotography-thierry-legault/ 73, de Hans, K0HB -- "Just a boy and his radio" -- Proud Member of: A1 Operators...
http://science.nasa.gov/science-news/science-at-nasa/2011/19sep_secretlives/ 73, de Hans, K0HB -- "Just a boy and his radio" -- Proud Member of: A1 Operators -...
Solar flares and the resulting Northern lights are beautiful to look at, but a solar storm can do damage on Earth. Meteorologist Mike Bettes gives his take on...
No reason hams and CB’ers would be the only comms to survive. Nothing special about our electronics. 73, de Hans, K0HB [Non-text portions of this message...
GEOMAGNETIC STORM UPDATE: A CME propelled toward Earth by this morning's X5-class solar flare is expected to reach our planet on March 8th at 0625 UT (+/- 7...
Space Weather News for May 10, 2012 RADIO-ACTIVE SUNSPOT: Huge sunspot AR1476 is crackling with M-class solar flares and appears to be on the verge of...
http://arstechnica.com/science/2012/05/1859s-great-auroral-stormthe-week-the-sun-touched-the-earth/ 1859's "Great Auroral Storm"—the week the Sun touched the...