[600MRG] Fantastic conditions NA --> VK, VK --> KH6 : Explanations? Part 4

[Pat Hamel]

Jim, I am reading Eric's (KL7AJ) new "Radio Science" books. 
Your possibilities are really possible.
73,
Pat W5THT & WD2XSH/6



-----Original Message-----
From: 600MRG [mailto:600mrg-bounces at w7ekb.com] On Behalf Of James Hollander
Sent: Saturday, August 15, 2015 5:53 PM
To: 600mrg at w7ekb.com
Subject: [600MRG] Fantastic conditions NA --> VK,VK --> KH6 : Explanations?
Part 4




 
   Continuing the 3rd question:  If great circle multihop doesn't explain
the remarkable630m propagation between the USA and Australia the last two
nights, then what?     Please add your words of wisdom and experience.






              
     73,  Jim H   W5EST              
              
 OTHER EXPLANATIONS FOR FANTASTIC 630M CONDITIONS (continued)             
              
  3) Lens-like lateral skew propagation in horizontal and/or vertical plane
directed RF signal along multiple paths and focused them on the VK
destinations. The "lens" would be a very slightly slanted reflecting surface
of electron concentration in the ionosphere that would be curved on a
regional geographic scale. This requires a lot of coincidental perfection in
the curvature and surface slant.  I can't rule it out if some plausible way
of making such a region-size slanting in the ionosphere could be proposed.
Ionospheric tide caused by the Aug. 15 new moon? If tidal, then shouldn't
the fantastic 630m conditions go away and come back in 2 weeks when full
moon high tides come?
  4) CME/solar wind.  A CME (coronal mass ejection) hit Earth's magnetic
field Aug. 15 ~0800z and triggered a G3 storm. Fast-moving solar wind is
expected. (Thanks, Dick W7WKR, WD2XSH/26 for pointing this out.) Important
coinciding event. I would like to know more.  If the CME particles follow
field lines to the poles and produce auroras, why or how does that affect
the equatorial region that accounts for most of the length of the US-VK
paths. Would a CME and geomagnetic storm disrupt 630m propagation rather
than enhance it.  If it has no effect, one needs another explanation.  Will
US-VK path go away until the next CME?
  5) Grayline.  I put grayline aside because XGP and XND delivered decodes
in VK long before their sunrise times and long after VK sunset times. The
grayline never connected the western USA with Australia.
  6) Equatorial anomaly.  I put this aside because I picture it as a
horizontally-sideways reflection process.  Wouldn't that have impeded the
US-VK path across the equator?  You hear about an HF op who puts beam
heading SE-- way off the great circle to EU--and nevertheless bounces a
readable signal into EU. That's equatorial anomaly.
    If you think any of these explanations are good ideas or have more
ideas, please comment direct to              mrsocion at aol.com or post a
reply to the reflector as you see fit.  Again, congratulations to VK3ELV,
VK2DDI, VK2XGJ, WH2XCR, WH2XGP and WH2XND for their hard work that showed
fantastic 630m conditions!     
--end of final Part 4--





































































































































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